Vulnerability Database

296,202

Total vulnerabilities in the database

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: Mar 27, 2025
  • Updated: May 4, 2025
  • CVE: CVE-2023-52939
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 5.5
  • AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWEs:

Software From Fixed in
linux / linux_kernel 6.2-rc1 6.2-rc1.x
linux / linux_kernel 6.2-rc2 6.2-rc2.x
linux / linux_kernel 6.2-rc3 6.2-rc3.x
linux / linux_kernel 6.2-rc4 6.2-rc4.x
linux / linux_kernel 6.2-rc5 6.2-rc5.x
linux / linux_kernel 6.2-rc6 6.2-rc6.x
linux / linux_kernel 5.4 6.1.11