cve-2025-0689
HIGH CVSS 7.8 csaf_redhat
Description
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
Timeline
- Published
- 2025-02-18 18:00 UTC
- Last Modified
- 2026-06-30
CVSS Details
CVSS details not available.
Affected Products
No product information available.
Weaknesses (CWE)
References
No references available.
Linked Vulnerabilities
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"ids": [
{
"system_name": "Red Hat Bugzilla ID",
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}
],
"notes": [
{
"category": "description",
"text": "When reading data from disk, the grub's UDF filesystem module utilizes the user controlled data length metadata to allocate its internal buffers. In certain scenarios, while iterating through disk sectors, it assumes the read size from the disk is always smaller than the allocated buffer size which is not guaranteed. A crafted filesystem image may lead to a heap-based buffer overflow resulting in critical data to be corrupted, resulting in the risk of arbitrary code execution by-passing secure boot protections.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "grub2: udf: Heap based buffer overflow in grub_udf_read_block() may lead to arbitrary code execution",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "To exploit this flaw, an attacker needs to trick a user into running grub2 with a specially crafted UDF file system image, limiting the exposure of this flaw. For this reason, this vulnerability has been rated with a Moderate severity.\n\nThe grub2 package as shipped in Red Hat Enterprise Linux 7, 8, 9 and in Red Hat OpenShift Container Platform 4 is not affected by this vulnerability because the UDF module is not built, so this issue is not applicable.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2025-0689"
},
{
"category": "external",
"summary": "RHBZ#2346122",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2346122"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2025-0689",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-0689"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-0689",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-0689"
},
{
"category": "external",
"summary": "https://lists.gnu.org/archive/html/grub-devel/2025-02/msg00024.html",
"url": "https://lists.gnu.org/archive/html/grub-devel/2025-02/msg00024.html"
}
],
"release_date": "2025-02-18T18:00:00+00:00",
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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"threats": [
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"details": "Moderate",
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}
],
"title": "grub2: udf: Heap based buffer overflow in grub_udf_read_block() may lead to arbitrary code execution"
}
]
}
Enrichment data
Aggregated bundle (all enrichments)