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).

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

Affected Vendors & Products

Vendors Products
Linux
  • Linux Kernel

Configuration 1 [-]

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

No data.

References
Link Providers
https://git.kernel.org/stable/c/37b12c16beb6f6c1c3c678c1aacbc46525c250f7 cve-icon cve-icon
https://git.kernel.org/stable/c/51fce708ab8986a9879ee5da946a2cc120f1036d cve-icon cve-icon
https://git.kernel.org/stable/c/5ed8f8e3c4e59d0396b9ccf2e639711e24295bb6 cve-icon cve-icon
https://git.kernel.org/stable/c/69534c48ba8ce552ce383b3dfdb271ffe51820c3 cve-icon cve-icon
https://git.kernel.org/stable/c/a21d2f323b5a978dedf9ff1d50f101f85e39b3f2 cve-icon cve-icon
https://git.kernel.org/stable/c/b560d670c87d7d40b3cf6949246fa4c7aa65a00a cve-icon cve-icon
https://git.kernel.org/stable/c/e14dca613e0a6ddc2bf6e360f16936a9f865205b cve-icon cve-icon
https://git.kernel.org/stable/c/e7786c445bb67a9a6e64f66ebd6b7215b153ff7d cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2025022633-CVE-2022-49288-d3cb@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2022-49288 cve-icon
https://www.cve.org/CVERecord?id=CVE-2022-49288 cve-icon
History

Tue, 25 Mar 2025 15:45:00 +0000

Type Values Removed Values Added
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel

Tue, 04 Mar 2025 03:45:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Thu, 27 Feb 2025 18:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-416
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

 cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Thu, 27 Feb 2025 13:30:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

 cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

threat_severity

Moderate

Wed, 26 Feb 2025 02:15:00 +0000

Type Values Removed Values Added
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).
Title ALSA: pcm: Fix races among concurrent prealloc proc writes
References
cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2025-02-26T01:56:26.550Z

Updated: 2025-02-27T18:02:29.155Z

Reserved: 2025-02-26T01:49:39.302Z

Link: CVE-2022-49288

cve-icon Vulnrichment

Updated: 2025-02-27T17:58:51.661Z

cve-icon NVD

Status : Analyzed

Published: 2025-02-26T07:01:05.657

Modified: 2025-03-25T15:24:36.203

Link: CVE-2022-49288

cve-icon Redhat

Severity : Moderate

Publid Date: 2025-02-26T00:00:00Z

Links: CVE-2022-49288 - Bugzilla