PT-2025-40112 · Linux+6 · Linux Kernel+6

Published 2022-10-20 · Updated 2026-01-20 · CVE-2022-50427

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A memory leak exists in the snd ac97 dev register() function within the ALSA AC97 subsystem. If the device register() function fails during the registration process, the allocated memory for the device name, set in dev set name(), is not released, leading to a memory leak.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Leak

Weakness Enumeration

CWE-401

Related Identifiers

ALSA-2025_16880

BDU:2026-04052

CVE-2022-50427

OESA-2025-2533

RHSA-2023:2458

RHSA-2023:2951

SUSE-SU-2025:03613-1

SUSE-SU-2025:03615-1

SUSE-SU-2025:03626-1

SUSE-SU-2025:03628-1

SUSE-SU-2025:3716-1

SUSE-SU-2025:3761-1

Affected Products

Ac97

Alsa

Astra Linux

Centos

Linux Kernel

Red Hat

Suse

References · 915

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50427.json · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2022-50449 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-53357 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-53506 · Security Note
• https://git.kernel.org/stable/c/c68b2e9ef246117f696e360bbdd2f5736b3a7127 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:03613-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-50427 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-39998 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-53299 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-53560 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-39697 · Security Note
• https://git.kernel.org/stable/c/a602ec9d88f177dba78bc97fb1adecc7a71ff279 · Patch
• https://git.kernel.org/stable/c/758dbcc6fbf2286eff02743b093c70a18a407d66 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2022-50402 · Security Note
• https://cve.org/CVERecord?id=CVE-2022-50427 · Security Note