PT-2025-38380 · Linux+7 · Linux Kernel+7
Published
2023-06-09
·
Updated
2026-05-26
·
CVE-2023-53401
CVSS v3.1
4.7
Medium
| Vector | AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
A data-race condition was identified in the Linux kernel's
drain obj stock and drain obj stock functions, potentially leading to a NULL pointer dereference within the obj stock flush required() function. This issue was discovered through Kernel Concurrency Sanitizer (KCSAN) analysis. The root cause involves a potential race condition where the stock->cached objcg pointer can be reset between a check and its subsequent dereference. The vulnerability was reported during testing on version 6.3.0-rc2-syzkaller-00387-g534293368afa.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
DoS
NULL Pointer Dereference
Race Condition
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Related Identifiers
Affected Products
Almalinux
Astra Linux
Centos
Debian
Linux Kernel
Red Hat
Rocky Linux
Suse