CVE-2022-49288

Severity CVSS v4.0:

Pending analysis

Type:

CWE-416 Use After Free

Publication date:

26/02/2025

Last modified:

25/03/2025

Description

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Fix races among concurrent prealloc proc writes We have no protection against concurrent PCM buffer preallocation changes via proc files, and it may potentially lead to UAF or some weird problem. This patch applies the PCM open_mutex to the proc write operation for avoiding the racy proc writes and the PCM stream open (and further operations).

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

7.80

Severity 3.x

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::		4.14.279 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.15 (including)	4.19.243 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.20 (including)	5.4.193 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.5 (including)	5.10.109 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.11 (including)	5.15.32 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.16 (including)	5.16.18 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.17 (including)	5.17.1 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2022-49288

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools