cve-2026-64163

{
  "advisories": [
    {
      "id": "USN-8593-1",
      "source": "usn",
      "title": "Linux kernel vulnerabilities",
      "url": "https://ubuntu.com/security/notices/USN-8593-1"
    },
    {
      "id": "USN-8603-1",
      "source": "usn",
      "title": "Linux kernel (Azure) vulnerabilities",
      "url": "https://ubuntu.com/security/notices/USN-8603-1"
    },
    {
      "id": "USN-8618-1",
      "source": "usn",
      "title": "Linux kernel vulnerabilities",
      "url": "https://ubuntu.com/security/notices/USN-8618-1"
    },
    {
      "id": "USN-8663-1",
      "source": "usn",
      "title": "Linux kernel (NVIDIA) vulnerabilities",
      "url": "https://ubuntu.com/security/notices/USN-8663-1"
    },
    {
      "id": "USN-8664-1",
      "source": "usn",
      "title": "Linux kernel (NVIDIA BaseOS) vulnerabilities",
      "url": "https://ubuntu.com/security/notices/USN-8664-1"
    },
    {
      "id": "USN-8728-1",
      "source": "usn",
      "title": "Linux kernel (GCP) vulnerabilities",
      "url": "https://ubuntu.com/security/notices/USN-8728-1"
    },
    {
      "id": "USN-8729-1",
      "source": "usn",
      "title": "Linux kernel vulnerabilities",
      "url": "https://ubuntu.com/security/notices/USN-8729-1"
    },
    {
      "id": "USN-8761-1",
      "source": "usn",
      "title": "Linux kernel (Azure) vulnerabilities",
      "url": "https://ubuntu.com/security/notices/USN-8761-1"
    },
    {
      "id": "USN-8729-2",
      "source": "usn",
      "title": "Linux kernel (Raspberry Pi Real-time) vulnerabilities",
      "url": "https://ubuntu.com/security/notices/USN-8729-2"
    },
    {
      "id": "USN-8761-2",
      "source": "usn",
      "title": "Linux kernel (Azure FIPS) vulnerabilities",
      "url": "https://ubuntu.com/security/notices/USN-8761-2"
    },
    {
      "id": "USN-8781-1",
      "source": "usn",
      "title": "Linux kernel (NVIDIA Tegra) vulnerabilities",
      "url": "https://ubuntu.com/security/notices/USN-8781-1"
    },
    {
      "id": "USN-8729-3",
      "source": "usn",
      "title": "Linux kernel vulnerabilities",
      "url": "https://ubuntu.com/security/notices/USN-8729-3"
    },
    {
      "id": "USN-8802-1",
      "source": "usn",
      "title": "Linux kernel (Oracle) vulnerabilities",
      "url": "https://ubuntu.com/security/notices/USN-8802-1"
    },
    {
      "id": "USN-8728-2",
      "source": "usn",
      "title": "Linux kernel (Azure) vulnerabilities",
      "url": "https://ubuntu.com/security/notices/USN-8728-2"
    },
    {
      "id": "USN-8729-4",
      "source": "usn",
      "title": "Linux kernel (Low Latency) vulnerabilities",
      "url": "https://ubuntu.com/security/notices/USN-8729-4"
    },
    {
      "id": "USN-8729-5",
      "source": "usn",
      "title": "Linux kernel (AWS FIPS) vulnerabilities",
      "url": "https://ubuntu.com/security/notices/USN-8729-5"
    }
  ],
  "cve": "CVE-2026-64163",
  "enrichment": {
    "affected": [
      {
        "configurations": [
          {
            "platform": null,
            "status": "affected",
            "versions": {
              "scheme": "code_commit",
              "value": "[e44e81c5b90f698025eadceb7eef8661eda117d5,08d355936fcf70c81c94f9fe7310450b65c53399)"
            }
          },
          {
            "platform": null,
            "status": "affected",
            "versions": {
              "scheme": "code_commit",
              "value": "[e44e81c5b90f698025eadceb7eef8661eda117d5,accc0004c501a9918313142282b094d408af06fb)"
            }
          },
          {
            "platform": null,
            "status": "affected",
            "versions": {
              "scheme": "code_commit",
              "value": "[e44e81c5b90f698025eadceb7eef8661eda117d5,1c24cf1fd67f6702c719ab73499392cb7af956ae)"
            }
          },
          {
            "platform": null,
            "status": "affected",
            "versions": {
              "scheme": "code_commit",
              "value": "[e44e81c5b90f698025eadceb7eef8661eda117d5,96515819d79f356f40da5540968d838ea570fab9)"
            }
          },
          {
            "platform": null,
            "status": "affected",
            "versions": {
              "scheme": "code_commit",
              "value": "[e44e81c5b90f698025eadceb7eef8661eda117d5,ef5581bb30efb939cc2bf093475c6cc85258e5cd)"
            }
          }
        ],
        "enrichment": {
          "confidence": 99.0,
          "confidence_source": "inferred",
          "scores": [
            {
              "score": 99.0,
              "source": "inferred"
            },
            {
              "score": 100.0,
              "source": "matching"
            }
          ]
        },
        "original": {
          "product": "Linux",
          "source": "cna",
          "vendor": "Linux"
        },
        "product": "linux_kernel",
        "vendor": "linux"
      },
      {
        "configurations": [
          {
            "platform": null,
            "status": "affected",
            "versions": {
              "scheme": "generic",
              "value": "5.16"
            }
          },
          {
            "platform": null,
            "status": "unaffected",
            "versions": {
              "scheme": "generic",
              "value": "[0,5.16)"
            }
          },
          {
            "platform": null,
            "status": "unaffected",
            "versions": {
              "scheme": "semver",
              "value": "[6.6.142,6.7.0)"
            }
          },
          {
            "platform": null,
            "status": "unaffected",
            "versions": {
              "scheme": "semver",
              "value": "[6.12.92,6.13.0)"
            }
          },
          {
            "platform": null,
            "status": "unaffected",
            "versions": {
              "scheme": "semver",
              "value": "[6.18.34,6.19.0)"
            }
          },
          {
            "platform": null,
            "status": "unaffected",
            "versions": {
              "scheme": "semver",
              "value": "[7.0.11,7.1.0)"
            }
          },
          {
            "platform": null,
            "status": "unaffected",
            "versions": {
              "scheme": "generic",
              "value": "[7.1,*]"
            }
          }
        ],
        "enrichment": {
          "confidence": 99.0,
          "confidence_source": "inferred",
          "scores": [
            {
              "score": 99.0,
              "source": "inferred"
            },
            {
              "score": 100.0,
              "source": "matching"
            }
          ]
        },
        "original": {
          "product": "Linux",
          "source": "cna",
          "vendor": "Linux"
        },
        "product": "linux_kernel",
        "vendor": "linux"
      }
    ],
    "created": "2026-07-21T21:00:12.869816+00:00",
    "updated": "2026-08-13T19:15:03.457792+00:00",
    "vendors": [
      "linux",
      "linux$PRODUCT$linux_kernel"
    ]
  },
  "epss": {
    "score": 0.00162
  },
  "mitre": {
    "cpes": [
      "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*"
    ],
    "created": "2026-07-19T15:40:49.172000+00:00",
    "description": "In the Linux kernel, the following vulnerability has been resolved:\n\ntest_kprobes: clear kprobes between test runs\n\nRunning the kprobes sanity tests twice makes all tests fail and\neventually crashes the kernel.\n\n[root@martin-riscv-1 ~]# echo 1 > /sys/kernel/debug/kunit/kprobes_test/run\n...\n   # Totals: pass:5 fail:0 skip:0 total:5\n   ok 1 kprobes_test\n[root@martin-riscv-1 ~]# echo 1 > /sys/kernel/debug/kunit/kprobes_test/run\n...\n  # test_kprobe: EXPECTATION FAILED at lib/tests/test_kprobes.c:64\n  Expected 0 == register_kprobe(&kp), but\n      register_kprobe(&kp) == -22 (0xffffffffffffffea)\n...\n  Unable to handle kernel paging request ...\n\nThe testsuite defines several kprobes and kretprobes as static variables\nthat are preserved across test runs.\n\nAfter register_kprobe and unregister_kprobe, a kprobe contains some\nleftover data that must be cleared before the kprobe can be registered\nagain. The tests are setting symbol_name to define the probe location.\nAddress and flags must be cleared.\n\nThe existing code clears some of the probes between subsequent tests, but\nnot between two test runs. The leftover data from a previous test run\nmakes the registrations fail in the next run.\n\nMove the cleanups for all kprobes into kprobes_test_init, this function\nis called before each single test (including the first test of a test\nrun).",
    "metrics": {
      "cvssV2_0": {},
      "cvssV3_0": {},
      "cvssV3_1": {},
      "cvssV4_0": {}
    },
    "mitre_repo_path": "cves/2026/64xxx/CVE-2026-64163.json",
    "references": [
      "https://git.kernel.org/stable/c/08d355936fcf70c81c94f9fe7310450b65c53399",
      "https://git.kernel.org/stable/c/1c24cf1fd67f6702c719ab73499392cb7af956ae",
      "https://git.kernel.org/stable/c/96515819d79f356f40da5540968d838ea570fab9",
      "https://git.kernel.org/stable/c/accc0004c501a9918313142282b094d408af06fb",
      "https://git.kernel.org/stable/c/ef5581bb30efb939cc2bf093475c6cc85258e5cd"
    ],
    "title": "test_kprobes: clear kprobes between test runs",
    "updated": "2026-07-19T15:40:49.172000+00:00",
    "vendors": [
      "linux",
      "linux$PRODUCT$linux_kernel"
    ],
    "weaknesses": []
  },
  "nvd": {
    "cpes": [
      "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
      "cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*",
      "cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:*",
      "cpe:2.3:o:linux:linux_kernel:7.1:rc3:*:*:*:*:*:*"
    ],
    "created": "2026-07-19T16:17:58.327000+00:00",
    "description": "In the Linux kernel, the following vulnerability has been resolved:\n\ntest_kprobes: clear kprobes between test runs\n\nRunning the kprobes sanity tests twice makes all tests fail and\neventually crashes the kernel.\n\n[root@martin-riscv-1 ~]# echo 1 > /sys/kernel/debug/kunit/kprobes_test/run\n...\n   # Totals: pass:5 fail:0 skip:0 total:5\n   ok 1 kprobes_test\n[root@martin-riscv-1 ~]# echo 1 > /sys/kernel/debug/kunit/kprobes_test/run\n...\n  # test_kprobe: EXPECTATION FAILED at lib/tests/test_kprobes.c:64\n  Expected 0 == register_kprobe(&kp), but\n      register_kprobe(&kp) == -22 (0xffffffffffffffea)\n...\n  Unable to handle kernel paging request ...\n\nThe testsuite defines several kprobes and kretprobes as static variables\nthat are preserved across test runs.\n\nAfter register_kprobe and unregister_kprobe, a kprobe contains some\nleftover data that must be cleared before the kprobe can be registered\nagain. The tests are setting symbol_name to define the probe location.\nAddress and flags must be cleared.\n\nThe existing code clears some of the probes between subsequent tests, but\nnot between two test runs. The leftover data from a previous test run\nmakes the registrations fail in the next run.\n\nMove the cleanups for all kprobes into kprobes_test_init, this function\nis called before each single test (including the first test of a test\nrun).",
    "metrics": {
      "cvssV2_0": {},
      "cvssV3_0": {},
      "cvssV3_1": {
        "score": 5.5,
        "vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
      },
      "cvssV4_0": {}
    },
    "nvd_repo_path": "2026/CVE-2026-64163.json",
    "references": [
      "https://git.kernel.org/stable/c/08d355936fcf70c81c94f9fe7310450b65c53399",
      "https://git.kernel.org/stable/c/1c24cf1fd67f6702c719ab73499392cb7af956ae",
      "https://git.kernel.org/stable/c/96515819d79f356f40da5540968d838ea570fab9",
      "https://git.kernel.org/stable/c/accc0004c501a9918313142282b094d408af06fb",
      "https://git.kernel.org/stable/c/ef5581bb30efb939cc2bf093475c6cc85258e5cd"
    ],
    "title": null,
    "updated": "2026-08-13T15:32:53.703000+00:00",
    "vendors": [
      "linux",
      "linux$PRODUCT$linux_kernel"
    ],
    "weaknesses": [
      "NVD-CWE-noinfo"
    ]
  },
  "opencve": {
    "changes": [
      {
        "created": "2026-07-19T16:15:00+00:00",
        "data": [
          {
            "details": {
              "new": "In the Linux kernel, the following vulnerability has been resolved:\n\ntest_kprobes: clear kprobes between test runs\n\nRunning the kprobes sanity tests twice makes all tests fail and\neventually crashes the kernel.\n\n[root@martin-riscv-1 ~]# echo 1 > /sys/kernel/debug/kunit/kprobes_test/run\n...\n   # Totals: pass:5 fail:0 skip:0 total:5\n   ok 1 kprobes_test\n[root@martin-riscv-1 ~]# echo 1 > /sys/kernel/debug/kunit/kprobes_test/run\n...\n  # test_kprobe: EXPECTATION FAILED at lib/tests/test_kprobes.c:64\n  Expected 0 == register_kprobe(&kp), but\n      register_kprobe(&kp) == -22 (0xffffffffffffffea)\n...\n  Unable to handle kernel paging request ...\n\nThe testsuite defines several kprobes and kretprobes as static variables\nthat are preserved across test runs.\n\nAfter register_kprobe and unregister_kprobe, a kprobe contains some\nleftover data that must be cleared before the kprobe can be registered\nagain. The tests are setting symbol_name to define the probe location.\nAddress and flags must be cleared.\n\nThe existing code clears some of the probes between subsequent tests, but\nnot between two test runs. The leftover data from a previous test run\nmakes the registrations fail in the next run.\n\nMove the cleanups for all kprobes into kprobes_test_init, this function\nis called before each single test (including the first test of a test\nrun).",
              "old": null
            },
            "type": "description"
          },
          {
            "details": {
              "new": "test_kprobes: clear kprobes between test runs",
              "old": null
            },
            "type": "title"
          },
          {
            "details": [
              "linux",
              "linux$PRODUCT$linux_kernel"
            ],
            "type": "first_time"
          },
          {
            "details": {
              "added": [
                "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*"
              ],
              "removed": []
            },
            "type": "cpes"
          },
          {
            "details": {
              "added": [
                "linux",
                "linux$PRODUCT$linux_kernel"
              ],
              "removed": []
            },
            "type": "vendors"
          },
          {
            "details": {
              "added": [
                "https://git.kernel.org/stable/c/08d355936fcf70c81c94f9fe7310450b65c53399",
                "https://git.kernel.org/stable/c/1c24cf1fd67f6702c719ab73499392cb7af956ae",
                "https://git.kernel.org/stable/c/96515819d79f356f40da5540968d838ea570fab9",
                "https://git.kernel.org/stable/c/accc0004c501a9918313142282b094d408af06fb",
                "https://git.kernel.org/stable/c/ef5581bb30efb939cc2bf093475c6cc85258e5cd"
              ],
              "removed": []
            },
            "type": "references"
          }
        ],
        "id": "0d9aa374-96e1-43e0-a604-4261ad4900ab"
      },
      {
        "created": "2026-07-21T00:15:00+00:00",
        "data": [
          {
            "details": {
              "added": [
                "CWE-459"
              ],
              "removed": []
            },
            "type": "weaknesses"
          },
          {
            "details": {
              "added": [
                "https://lore.kernel.org/linux-cve-announce/2026071934-CVE-2026-64163-f1a4@gregkh/T",
                "https://nvd.nist.gov/vuln/detail/CVE-2026-64163",
                "https://www.cve.org/CVERecord?id=CVE-2026-64163"
              ],
              "removed": []
            },
            "type": "references"
          },
          {
            "details": {
              "added": {
                "cvssV3_1": {
                  "score": 5.5,
                  "vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
                }
              },
              "removed": {},
              "updated": {
                "threat_severity": {
                  "new": "Low",
                  "old": null
                }
              }
            },
            "type": "metrics"
          }
        ],
        "id": "5eebbe6c-91ac-48c7-8b34-0b9c6e1b3763"
      },
      {
        "created": "2026-08-13T15:45:00+00:00",
        "data": [
          {
            "details": {
              "added": [
                "NVD-CWE-noinfo"
              ],
              "removed": []
            },
            "type": "weaknesses"
          },
          {
            "details": {
              "added": [
                "cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*",
                "cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:*",
                "cpe:2.3:o:linux:linux_kernel:7.1:rc3:*:*:*:*:*:*"
              ],
              "removed": []
            },
            "type": "cpes"
          }
        ],
        "id": "e5c733df-3161-4652-b196-4562d28d986a"
      }
    ],
    "cpes": {
      "data": [
        "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
        "cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*",
        "cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:*",
        "cpe:2.3:o:linux:linux_kernel:7.1:rc3:*:*:*:*:*:*"
      ],
      "providers": [
        "mitre",
        "nvd"
      ]
    },
    "created": {
      "data": "2026-07-19T00:00:00+00:00",
      "provider": "redhat"
    },
    "description": {
      "data": "In the Linux kernel, the following vulnerability has been resolved:\n\ntest_kprobes: clear kprobes between test runs\n\nRunning the kprobes sanity tests twice makes all tests fail and\neventually crashes the kernel.\n\n[root@martin-riscv-1 ~]# echo 1 > /sys/kernel/debug/kunit/kprobes_test/run\n...\n   # Totals: pass:5 fail:0 skip:0 total:5\n   ok 1 kprobes_test\n[root@martin-riscv-1 ~]# echo 1 > /sys/kernel/debug/kunit/kprobes_test/run\n...\n  # test_kprobe: EXPECTATION FAILED at lib/tests/test_kprobes.c:64\n  Expected 0 == register_kprobe(&kp), but\n      register_kprobe(&kp) == -22 (0xffffffffffffffea)\n...\n  Unable to handle kernel paging request ...\n\nThe testsuite defines several kprobes and kretprobes as static variables\nthat are preserved across test runs.\n\nAfter register_kprobe and unregister_kprobe, a kprobe contains some\nleftover data that must be cleared before the kprobe can be registered\nagain. The tests are setting symbol_name to define the probe location.\nAddress and flags must be cleared.\n\nThe existing code clears some of the probes between subsequent tests, but\nnot between two test runs. The leftover data from a previous test run\nmakes the registrations fail in the next run.\n\nMove the cleanups for all kprobes into kprobes_test_init, this function\nis called before each single test (including the first test of a test\nrun).",
      "provider": "mitre"
    },
    "metrics": {
      "cvssV2_0": {
        "data": {},
        "provider": null
      },
      "cvssV3_0": {
        "data": {},
        "provider": null
      },
      "cvssV3_1": {
        "data": {
          "score": 5.5,
          "vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
        },
        "provider": "nvd"
      },
      "cvssV4_0": {
        "data": {},
        "provider": null
      },
      "epss": {
        "data": {
          "score": 0.00162
        },
        "provider": "first"
      },
      "kev": {
        "data": {},
        "provider": null
      },
      "ssvc": {
        "data": {},
        "provider": null
      },
      "threat_severity": {
        "data": "Low",
        "provider": "redhat"
      }
    },
    "references": {
      "data": [
        "https://git.kernel.org/stable/c/08d355936fcf70c81c94f9fe7310450b65c53399",
        "https://git.kernel.org/stable/c/1c24cf1fd67f6702c719ab73499392cb7af956ae",
        "https://git.kernel.org/stable/c/96515819d79f356f40da5540968d838ea570fab9",
        "https://git.kernel.org/stable/c/accc0004c501a9918313142282b094d408af06fb",
        "https://git.kernel.org/stable/c/ef5581bb30efb939cc2bf093475c6cc85258e5cd",
        "https://lore.kernel.org/linux-cve-announce/2026071934-CVE-2026-64163-f1a4@gregkh/T",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-64163",
        "https://www.cve.org/CVERecord?id=CVE-2026-64163"
      ],
      "providers": [
        "mitre",
        "nvd",
        "redhat"
      ]
    },
    "title": {
      "data": "test_kprobes: clear kprobes between test runs",
      "provider": "mitre"
    },
    "updated": {
      "data": "2026-08-13T15:32:53.703000+00:00",
      "provider": "nvd"
    },
    "vendors": {
      "data": [
        "linux",
        "linux$PRODUCT$linux_kernel"
      ],
      "providers": [
        "mitre",
        "nvd",
        "enrichment"
      ]
    },
    "weaknesses": {
      "data": [
        "CWE-459",
        "NVD-CWE-noinfo"
      ],
      "providers": [
        "nvd",
        "redhat"
      ]
    }
  },
  "redhat": {
    "cpes": [],
    "created": "2026-07-19T00:00:00+00:00",
    "description": "In the Linux kernel, the following vulnerability has been resolved:\ntest_kprobes: clear kprobes between test runs\nRunning the kprobes sanity tests twice makes all tests fail and\neventually crashes the kernel.\n[root@martin-riscv-1 ~]# echo 1 > /sys/kernel/debug/kunit/kprobes_test/run\n...\n# Totals: pass:5 fail:0 skip:0 total:5\nok 1 kprobes_test\n[root@martin-riscv-1 ~]# echo 1 > /sys/kernel/debug/kunit/kprobes_test/run\n...\n# test_kprobe: EXPECTATION FAILED at lib/tests/test_kprobes.c:64\nExpected 0 == register_kprobe(&kp), but\nregister_kprobe(&kp) == -22 (0xffffffffffffffea)\n...\nUnable to handle kernel paging request ...\nThe testsuite defines several kprobes and kretprobes as static variables\nthat are preserved across test runs.\nAfter register_kprobe and unregister_kprobe, a kprobe contains some\nleftover data that must be cleared before the kprobe can be registered\nagain. The tests are setting symbol_name to define the probe location.\nAddress and flags must be cleared.\nThe existing code clears some of the probes between subsequent tests, but\nnot between two test runs. The leftover data from a previous test run\nmakes the registrations fail in the next run.\nMove the cleanups for all kprobes into kprobes_test_init, this function\nis called before each single test (including the first test of a test\nrun).",
    "metrics": {
      "cvssV2_0": {},
      "cvssV3_0": {},
      "cvssV3_1": {
        "score": 5.5,
        "vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
      },
      "threat_severity": "Low"
    },
    "redhat_repo_path": "2026/CVE-2026-64163.json",
    "references": [
      "https://lore.kernel.org/linux-cve-announce/2026071934-CVE-2026-64163-f1a4@gregkh/T",
      "https://nvd.nist.gov/vuln/detail/CVE-2026-64163",
      "https://www.cve.org/CVERecord?id=CVE-2026-64163"
    ],
    "title": "kernel: test_kprobes: clear kprobes between test runs",
    "updated": "2026-07-19T00:00:00+00:00",
    "vendors": [],
    "weaknesses": [
      "CWE-459"
    ]
  }
}