Vulnerability Details : CVE-2023-6931

A heap out-of-bounds write vulnerability in the Linux kernel's Performance Events system component can be exploited to achieve local privilege escalation. A perf_event's read_size can overflow, leading to an heap out-of-bounds increment or write in perf_read_group(). We recommend upgrading past commit 382c27f4ed28f803b1f1473ac2d8db0afc795a1b.
Published 2023-12-19 14:15:08
Updated 2025-02-13 18:16:11
Source Google Inc.
View at NVD,   CVE.org
Vulnerability category: Gain privilege

Products affected by CVE-2023-6931

Exploit prediction scoring system (EPSS) score for CVE-2023-6931

EPSS FAQ
2.10%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 82 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-6931

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.8
 HIGH CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
1.8
5.9
 Google Inc.
7.0
 HIGH CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
1.0
5.9
 NIST 2024-02-01
7.8
 HIGH CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
1.8
5.9
 NIST
7.8
 HIGH CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
N/A
N/A
 RedHat-CVE-2023-6931

CWE ids for CVE-2023-6931

  • The product writes data past the end, or before the beginning, of the intended buffer.
    Assigned by:
    • cve-coordination@google.com (Secondary)
    • nvd@nist.gov (Primary)

References for CVE-2023-6931

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