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VULNERABILITIES

CVE-2023-52448 Details

Description

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix kernel NULL pointer dereference in gfs2_rgrp_dump Syzkaller has reported a NULL pointer dereference when accessing rgd->rd_rgl in gfs2_rgrp_dump(). This can happen when creating rgd->rd_gl fails in read_rindex_entry(). Add a NULL pointer check in gfs2_rgrp_dump() to prevent that.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.5 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://git.kernel.org/stable/c/067a7c48c2c70f05f9460d6f0e8423e234729f05 kernel.orgPatch
https://git.kernel.org/stable/c/5c28478af371a1c3fdb570ca67f110e1ae60fc37 kernel.orgPatch
https://git.kernel.org/stable/c/8877243beafa7c6bfc42022cbfdf9e39b25bd4fa kernel.orgPatch
https://git.kernel.org/stable/c/c323efd620c741168c8e0cc6fc0be04ab57e331a kernel.orgPatch
https://git.kernel.org/stable/c/d69d7804cf9e2ba171a27e5f98bc266f13d0414a kernel.orgPatch

see all 15 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-476NULL Pointer Dereference[email protected]

Affected Products

ProductVersions
linux linux kernel
>= 4.20, < 5.4.268
>= 5.5.0, < 5.10.209
>= 5.11.0, < 5.15.148
>= 5.16.0, < 6.1.75
>= 6.2.0, < 6.6.14

CPE

  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

9 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2023-52448
NVD Published Date:
Feb 22, 2024
NVD Last Modified:
Jun 17, 2026
Source:
kernel.org
CVE-2023-52448 Details - Not Deferred