5.5

CVE-2022-50181

virtio-gpu: fix a missing check to avoid NULL dereference

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

virtio-gpu: fix a missing check to avoid NULL dereference

'cache_ent' could be set NULL inside virtio_gpu_cmd_get_capset()
and it will lead to a NULL dereference by a lately use of it
(i.e., ptr = cache_ent->caps_cache). Fix it with a NULL check.


[ kraxel: minor codestyle fixup ]
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 4.4 < 5.10.137
Linux ≫ Linux Kernel Version >= 5.11 < 5.15.61
Linux ≫ Linux Kernel Version >= 5.16 < 5.18.18
Linux ≫ Linux Kernel Version >= 5.19 < 5.19.2
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 0.21% 0.109
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/259773fc874258606c0121767a4a27466ff337eb
Patch
https://git.kernel.org/stable/c/39caef09666c1d8274abf9472c72bcac236dc5fb
Patch
https://git.kernel.org/stable/c/adbdd21983fa292e53aec3eab97306b2961ea887
Patch
https://git.kernel.org/stable/c/367882a5a9448b5e1ba756125308092d614cb96c
Patch
https://git.kernel.org/stable/c/bd63f11f4c3c46afec07d821f74736161ff6e526
Patch