5.5

CVE-2024-43833

media: v4l: async: Fix NULL pointer dereference in adding ancillary links

In the Linux kernel, the following vulnerability has been resolved:

media: v4l: async: Fix NULL pointer dereference in adding ancillary links

In v4l2_async_create_ancillary_links(), ancillary links are created for
lens and flash sub-devices. These are sub-device to sub-device links and
if the async notifier is related to a V4L2 device, the source sub-device
of the ancillary link is NULL, leading to a NULL pointer dereference.
Check the notifier's sd field is non-NULL in
v4l2_async_create_ancillary_links().

[Sakari Ailus: Reword the subject and commit messages slightly.]
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 5.19 < 6.1.103
Linux ≫ Linux Kernel Version >= 6.2 < 6.6.44
Linux ≫ Linux Kernel Version >= 6.7 < 6.10.3
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 0.23% 0.129
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://git.kernel.org/stable/c/249212ceb4187783af3801c57b92a5a25d410621
Patch
https://git.kernel.org/stable/c/9b4667ea67854f0b116fe22ad11ef5628c5b5b5f
Patch
https://git.kernel.org/stable/c/b87e28050d9b0959de24574d587825cfab2f13fb
Patch
https://git.kernel.org/stable/c/fe0f92fd5320b393e44ca210805e653ea90cc982
Patch
https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html