Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2023-52939

Severity CVSS v4.0:
Pending analysis
Type:
CWE-476 NULL Pointer Dereference
Publication date:
27/03/2025
Last modified:
01/10/2025

Description

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> mm: memcg: fix NULL pointer in mem_cgroup_track_foreign_dirty_slowpath()<br /> <br /> As commit 18365225f044 ("hwpoison, memcg: forcibly uncharge LRU pages"),<br /> hwpoison will forcibly uncharg a LRU hwpoisoned page, the folio_memcg<br /> could be NULl, then, mem_cgroup_track_foreign_dirty_slowpath() could<br /> occurs a NULL pointer dereference, let&amp;#39;s do not record the foreign<br /> writebacks for folio memcg is null in mem_cgroup_track_foreign_dirty() to<br /> fix it.

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
5.50
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.4 (including) 6.1.11 (excluding)
cpe:2.3:o:linux:linux_kernel:6.2:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.2:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.2:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.2:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.2:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.2:rc6:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools