CVE-2023-3397

Kernel: slab-use-after-free write in txend due to race condition

State: Published
Severity: 7.0 High
Published: Nov 1, 2023
Updated: Oct 29, 2026
Reserved: Jun 25, 2023

Description

A race condition occurred between the functions lmLogClose and txEnd in JFS, in the Linux Kernel, executed in different threads. This flaw allows a local attacker with normal user privileges to crash the system or leak internal kernel information.

Scores

CVSS	Score	Vector	Source
3.1	7.0 High	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H	redhat

Weaknesses

CWE-416 Use After Free

Affected Products

Product	Versions
Red Hat Enterprise Linux 6Red Hat
Red Hat Enterprise Linux 7Red Hat
Red Hat Enterprise Linux 7Red Hat
Red Hat Enterprise Linux 8Red Hat
Red Hat Enterprise Linux 8Red Hat
Red Hat Enterprise Linux 9Red Hat
Red Hat Enterprise Linux 9Red Hat

References

https://access.redhat.com/security/cve/CVE-2023-3397vdb-entry
RHBZ#2217271issue-tracking
https://www.spinics.net/lists/kernel/msg4788636.html

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