vulnerability
Ubuntu: (CVE-2023-52939): linux vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:S/C:N/I:N/A:C) | Mar 27, 2025 | Jun 26, 2025 | Aug 18, 2025 |
Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
Mar 27, 2025
Added
Jun 26, 2025
Modified
Aug 18, 2025
Description
In the Linux kernel, the following vulnerability has been resolved:
mm: memcg: fix NULL pointer in mem_cgroup_track_foreign_dirty_slowpath()
As commit 18365225f044 ("hwpoison, memcg: forcibly uncharge LRU pages"),
hwpoison will forcibly uncharg a LRU hwpoisoned page, the folio_memcg
could be NULl, then, mem_cgroup_track_foreign_dirty_slowpath() could
occurs a NULL pointer dereference, let's do not record the foreign
writebacks for folio memcg is null in mem_cgroup_track_foreign_dirty() to
fix it.
Solution
no-fix-ubuntu-package
References
- CVE-2023-52939
- https://attackerkb.com/topics/CVE-2023-52939
- CWE-476
- URL-https://git.kernel.org/linus/ac86f547ca1002aec2ef66b9e64d03f45bbbfbb9
- URL-https://git.kernel.org/stable/c/ac86f547ca1002aec2ef66b9e64d03f45bbbfbb9
- URL-https://git.kernel.org/stable/c/b79ba5953f6fdc5559389ad415620bffc24f024b
- URL-https://www.cve.org/CVERecord?id=CVE-2023-52939
NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.