CVE-2022-50427 — Missing Release of Memory after Effective Lifetime in Linux

CWE-401 — Missing Release of Memory after Effective LifetimeCWE-772 — Missing Release of Resource after Effective Lifetime5 documents5 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 97.11%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedOct 1

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages4 packages

▶NVDlinux/linux_kernel2.6.14 — 4.9.332+7
▶Debianlinux/linux_kernel< 5.10.158-1+3
▶CVEListV5linux/linux0ca06a00e206b963587ac471e6d1c52bf33b9a18 — a602ec9d88f177dba78bc97fb1adecc7a71ff279+8
▶debiandebian/linux< linux 6.0.7-1 (bookworm)

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

2
OSV
CVE-2022-50427: In the Linux kernel, the following vulnerability has been resolved: ALSA: ac97: fix possible memory leak in snd_ac97_dev_register() If device_register↗2025-10-01
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GHSA
GHSA-h76c-m8m4-8vh3: In the Linux kernel, the following vulnerability has been resolved: ALSA: ac97: fix possible memory leak in snd_ac97_dev_register() If device_regist↗2025-10-01
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📋Vendor Advisories

2
Red Hat
kernel: ALSA: ac97: fix possible memory leak in snd_ac97_dev_register()↗2025-10-01
▶
Debian
CVE-2022-50427: linux - In the Linux kernel, the following vulnerability has been resolved: ALSA: ac97:...↗2022
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