CVE-2023-53629 — Use After Free in Linux
Severity
7.8HIGHNVD
EPSS
0.0%
top 98.19%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedOct 7
Latest updateApr 20
Description
In the Linux kernel, the following vulnerability has been resolved:
fs: dlm: fix use after free in midcomms commit
While working on processing dlm message in softirq context I experienced
the following KASAN use-after-free warning:
[ 151.760477] ==================================================================
[ 151.761803] BUG: KASAN: use-after-free in dlm_midcomms_commit_mhandle+0x19d/0x4b0
[ 151.763414] Read of size 4 at addr ffff88811a980c60 by task lock_torture/1347
[ 151.765284] CPU: …
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9
Affected Packages4 packages
▶CVEListV5linux/linux489d8e559c6596eb08e16447d9830bc39afbe54e — a3b0e9ac3c2447008db942d51f593841d8329e99+3
Patches
🔴Vulnerability Details
3VulDB▶
Linux Kernel up to 6.1.19/6.2.2 Dlm Message dlm_midcomms_commit_mhandle use after free (WID-SEC-2025-2229)↗2026-04-20
GHSA▶
GHSA-rf27-4m25-62jv: In the Linux kernel, the following vulnerability has been resolved:
fs: dlm: fix use after free in midcomms commit
While working on processing dlm m↗2025-10-07
OSV▶
CVE-2023-53629: In the Linux kernel, the following vulnerability has been resolved: fs: dlm: fix use after free in midcomms commit While working on processing dlm mes↗2025-10-07