CVE-2022-50427

ALSA: ac97: fix possible memory leak in snd_ac97_dev_register()

MEDIUM

5.5

CVSS Score

Published: October 1, 2025 at 11:42 AM UTC

Updated: June 17, 2026 at 05:23 AM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: ALSA: ac97: fix possible memory leak in snd_ac97_dev_register() If device_register() fails in snd_ac97_dev_register(), it should call put_device() to give up reference, or the name allocated in dev_set_name() is leaked.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

2.6.14 ≤ v < 4.14.2982.6.14 ≤ v < 4.19.2642.6.14 ≤ v < 4.9.3322.6.14 ≤ v < 5.10.1532.6.14 ≤ v < 5.15.772.6.14 ≤ v < 5.4.2232.6.14 ≤ v < 6.0.72.6.14 ≤ v < 6.14.10 ≤ v < 4.14.2984.15 ≤ v < 4.19.2644.20 ≤ v < 5.4.2235.11 ≤ v < 5.15.775.16 ≤ v < 6.0.75.5 ≤ v < 5.10.1530ca06a00e206b963587ac471e6d1c52bf33b9a182.6.14 6.1 rc1 6.1 rc2

Vendor states this is fixed in 0f8e9a15c8ecf95057061d370a2dddaf1cee4aeb (fixed)

Vendor states this is fixed in 4881bda5ea05c8c240fc8afeaa928e2bc43f61fa (fixed)

Vendor states this is fixed in 4fdf6f978c6b605ca0d67bf0e982b7a8fc0f4aab (fixed)

Vendor states this is fixed in 758dbcc6fbf2286eff02743b093c70a18a407d66 (fixed)

Vendor states this is fixed in a602ec9d88f177dba78bc97fb1adecc7a71ff279 (fixed)

Vendor states this is fixed in bfce73088682ef0770da951f51156c36a89be490 (fixed)

Vendor states this is fixed in c68b2e9ef246117f696e360bbdd2f5736b3a7127 (fixed)

Vendor states this is fixed in ee8bf0946f62ef00e5db4b613a9f664ac567259a (fixed)

Vendor states this is fixed in 2.6.14 (unaffected)

Vendor states this is fixed in 4.14.298 (unaffected)

Vendor states this is fixed in 4.19.264 (unaffected)

Vendor states this is fixed in 4.9.332 (unaffected)