CVE-2023-52939

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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
2026-05-15T11:53:27.484307137Z
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 
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52939.json"
}
References

Affected packages

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
5.4.0
Fixed
6.1.11

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-52939.json"