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Vulnerabilities CVE-2023-6931

CVE-2023-6931

High
Open
TLP:CLEAR

Out-of-bounds write in Linux kernel's Performance Events system component

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Description

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.

Details

CVSS Score
7.8
EPSS Score
0.72%

50.7th percentile

CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Confidence
90%
Published
Dec 19, 2023
Last Modified
Aug 17, 2026
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