cve-2021-3493

{
  "cvss": 0.0,
  "datePublished": "2022-10-20",
  "dateUpdated": "2022-10-20",
  "description": "The overlayfs stacking file system in Linux kernel does not properly validate the application of file capabilities against user namespaces, which could lead to privilege escalation.",
  "dueDate": "2022-11-10",
  "id": "CVE-2021-3493",
  "kev_catalogs": [
    "cisa"
  ],
  "knownRansomwareCampaignUse": "Unknown",
  "notes": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7c03e2cda4a584cadc398e8f6641ca9988a39d52; https://nvd.nist.gov/vuln/detail/CVE-2021-3493",
  "product": "Kernel",
  "requiredAction": "Apply updates per vendor instructions.",
  "severity": "HIGH",
  "source": "cisa_known_exploited",
  "title": "Linux Kernel Privilege Escalation Vulnerability",
  "vendor": "Linux"
}