CVE-2023-0266

A use after free vulnerability exists in the ALSA PCM package in the Linux Kernel. SNDRV_CTL_IOCTL_ELEM_{READ|WRITE}32 is missing locks that can be used in a use-after-free that can result in a priviledge escalation to gain ring0 access from the system user. We recommend upgrading past commit 56b88b50565cd8b946a2d00b0c83927b7ebb055e
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

History

21 Nov 2024, 07:36

Type Values Removed Values Added
Summary
  • (es) Existe una vulnerabilidad de Use-After-Free en el paquete ALSA PCM en el kernel de Linux. A SNDRV_CTL_IOCTL_ELEM_{READ|WRITE}32 le faltan bloqueos que se pueden usar en un Use-After-Free que puede resultar en una escalada de privilegios para obtener acceso al anillo 0 por parte del usuario del sistema. Recomendamos actualizar al commit anterior 56b88b50565cd8b946a2d00b0c83927b7ebb055e
CVSS v2 : unknown
v3 : 7.8
v2 : unknown
v3 : 7.9
References () https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/queue-5.10/alsa-pcm-move-rwsem-lock-inside-snd_ctl_elem_read-to-prevent-uaf.patch?id=72783cf35e6c55bca84c4bb7b776c58152856fd4 - Mailing List, Patch, Vendor Advisory () https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/queue-5.10/alsa-pcm-move-rwsem-lock-inside-snd_ctl_elem_read-to-prevent-uaf.patch?id=72783cf35e6c55bca84c4bb7b776c58152856fd4 - Mailing List, Patch, Vendor Advisory
References () https://github.com/torvalds/linux/commit/56b88b50565cd8b946a2d00b0c83927b7ebb055e - Patch, Third Party Advisory () https://github.com/torvalds/linux/commit/56b88b50565cd8b946a2d00b0c83927b7ebb055e - Patch, Third Party Advisory
References () https://github.com/torvalds/linux/commit/becf9e5d553c2389d857a3c178ce80fdb34a02e1 - Patch, Third Party Advisory () https://github.com/torvalds/linux/commit/becf9e5d553c2389d857a3c178ce80fdb34a02e1 - Patch, Third Party Advisory
References () https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html - Mailing List, Third Party Advisory () https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html - Mailing List, Third Party Advisory

29 Aug 2023, 17:59

Type Values Removed Values Added
CPE 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:*:*:*:*:*:*
References (MISC) https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html - (MISC) https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html - Mailing List, Third Party Advisory

Information

Published : 2023-01-30 14:15

Updated : 2024-11-21 07:36


NVD link : CVE-2023-0266

Mitre link : CVE-2023-0266

CVE.ORG link : CVE-2023-0266


JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-416

Use After Free