5.5

CVE-2023-52448

gfs2: Fix kernel NULL pointer dereference in gfs2_rgrp_dump

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 4.20 < 5.4.268
Linux ≫ Linux Kernel Version >= 5.5.0 < 5.10.209
Linux ≫ Linux Kernel Version >= 5.11.0 < 5.15.148
Linux ≫ Linux Kernel Version >= 5.16.0 < 6.1.75
Linux ≫ Linux Kernel Version >= 6.2.0 < 6.6.14
Linux ≫ Linux Kernel Version >= 6.7.0 < 6.7.2
VulnDex Vulnerability Enrichment
Diese Information steht angemeldeten Benutzern zur Verfügung. Login Login
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.24% 0.155
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html
https://git.kernel.org/stable/c/067a7c48c2c70f05f9460d6f0e8423e234729f05
Patch
https://git.kernel.org/stable/c/5c28478af371a1c3fdb570ca67f110e1ae60fc37
Patch
https://git.kernel.org/stable/c/8877243beafa7c6bfc42022cbfdf9e39b25bd4fa
Patch
https://git.kernel.org/stable/c/c323efd620c741168c8e0cc6fc0be04ab57e331a
Patch
https://git.kernel.org/stable/c/d69d7804cf9e2ba171a27e5f98bc266f13d0414a
Patch
https://git.kernel.org/stable/c/ee0586d73cbaf0e7058bc640d62a9daf2dfa9178
Patch
https://git.kernel.org/stable/c/efc8ef87ab9185a23d5676f2f7d986022d91bcde
Patch