Vulnerability Monitor

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CVE-2023-52939

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.

Published

2025-03-27T17:15:43.803

Last Modified

2025-10-01T18:15:33.910

Status

Modified

Source

416baaa9-dc9f-4396-8d5f-8c081fb06d67

Severity

CVSSv3.1: 5.5 (MEDIUM)

Weaknesses
  • Type: Primary
    CWE-476
  • Type: Secondary
    CWE-476
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System linux linux_kernel < 6.1.11 Yes
Operating System linux linux_kernel 6.2 Yes
Operating System linux linux_kernel 6.2 Yes
Operating System linux linux_kernel 6.2 Yes
Operating System linux linux_kernel 6.2 Yes
Operating System linux linux_kernel 6.2 Yes
Operating System linux linux_kernel 6.2 Yes
References