CVE-2023-52939
- Source
- https://cve.org/CVERecord?id=CVE-2023-52939
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-52939.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2023-52939
- Downstream
- Related
- Published
- 2025-03-27T16:37:18.026Z
- Modified
- 2026-03-20T12:32:53.225150Z
- Severity
-
- 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- mm: memcg: fix NULL pointer in mem_cgroup_track_foreign_dirty_slowpath()
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
mm: memcg: fix NULL pointer in memcgrouptrackforeigndirty_slowpath()
As commit 18365225f044 ("hwpoison, memcg: forcibly uncharge LRU pages"), hwpoison will forcibly uncharg a LRU hwpoisoned page, the foliomemcg could be NULl, then, memcgrouptrackforeigndirtyslowpath() could occurs a NULL pointer dereference, let's do not record the foreign writebacks for folio memcg is null in memcgrouptrackforeigndirty() to fix it.
- Database specific
{ "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52939.json", "cna_assigner": "Linux" }- References
-
- https://git.kernel.org/stable/c/ac86f547ca1002aec2ef66b9e64d03f45bbbfbb9
- https://git.kernel.org/stable/c/b79ba5953f6fdc5559389ad415620bffc24f024b
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52939.json
- https://nvd.nist.gov/vuln/detail/CVE-2023-52939
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git