PT-2025-43110 · Linux+1 · Linux Kernel+1
Published
2023-02-15
·
Updated
2025-12-04
·
CVE-2023-53709
CVSS v2.0
4.6
Medium
| Vector | AV:L/AC:L/Au:S/C:N/I:N/A:C |
Name of the Vulnerable Software and Affected Versions
Linux kernel versions prior to 6.2.0-rc6+
Description
The Linux kernel contains a data race condition within the ring buffer implementation, specifically between
rb move tail and rb check pages. This occurs when updating the RB FLAG of a head page concurrently with integrity checks performed by rb check pages. The issue involves a race condition between ring buffer writing and integrity checks, where the RB FLAG is updated while being cleared during integrity checks. The refactoring of rb check pages aims to eliminate clearing and setting the flag during list sanity checking. A test reproducer and crash report were provided by Zheng Yejian.Recommendations
Update to a version later than 6.2.0-rc6+.
Exploit
Fix
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Weakness Enumeration
Related Identifiers
Affected Products
Linux Kernel
Suse