CVE-2023-0266

2023-01-3014:15:10

Debian Security Bug Tracker

security-tracker.debian.org

linux kernel

alsa pcm

vulnerability

CVSS3

7.9

Attack Vector

ADJACENT

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:H/A:H

AI Score

8.2

Confidence

High

EPSS

0.001

Percentile

35.5%

JSON

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

OSVersionArchitecturePackageVersionFilename
Debian12alllinux< 6.1.7-1linux_6.1.7-1_all.deb
Debian11alllinux< 5.10.162-1linux_5.10.162-1_all.deb
Debian999alllinux< 6.1.7-1linux_6.1.7-1_all.deb
Debian13alllinux< 6.1.7-1linux_6.1.7-1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	linux	< 6.1.7-1	linux_6.1.7-1_all.deb
Debian	11	all	linux	< 5.10.162-1	linux_5.10.162-1_all.deb
Debian	999	all	linux	< 6.1.7-1	linux_6.1.7-1_all.deb
Debian	13	all	linux	< 6.1.7-1	linux_6.1.7-1_all.deb