DEBIAN-CVE-2023-0266

Advisory lineage Upstream: 1 Downstream: 3
Upstream
CVE-2023-0266
Published: 30 Jan 2023, 14:15
Last modified:28 Apr 2026, 20:25

Vulnerability Summary

Overall Risk (default)
medium
28/100
CVSS Score
7 HIGH
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

30 Jan 2023, 14:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:25
Last Modified
Vulnerability information updated

Description

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

CVSS Metrics

  • v3.1•HIGH•Score: 7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Systems

  • debian•linux

    < 5.10.162-1 | < 6.1.7-1 | < 6.1.7-1 | < 6.1.7-1

References (1)