CVE-2022-1048

high

Description

A use-after-free flaw was found in the Linux kernel’s sound subsystem in the way a user triggers concurrent calls of PCM hw_params. The hw_free ioctls or similar race condition happens inside ALSA PCM for other ioctls. This flaw allows a local user to crash or potentially escalate their privileges on the system.

References

https://lore.kernel.org/lkml/[email protected]/T/#m1d3b791b815556012c6be92f1c4a7086b854f7f3

https://bugzilla.redhat.com/show_bug.cgi?id=2066706

https://www.debian.org/security/2022/dsa-5127

https://security.netapp.com/advisory/ntap-20220629-0001/

https://www.debian.org/security/2022/dsa-5173

Details

Source: MITRE

Published: 2022-04-29

Updated: 2022-12-14

Type: CWE-362

Risk Information

CVSS v2

Base Score: 6.9

Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C

Impact Score: 10

Exploitability Score: 3.4

Severity: MEDIUM

CVSS v3

Base Score: 7

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

Impact Score: 5.9

Exploitability Score: 1

Severity: HIGH