5.5

CVE-2022-50427: ALSA: ac97: fix possible memory leak in snd_ac97_dev_register()

Analyzed
AliasesUBUNTU-CVE-2022-50427DEBIAN-CVE-2022-50427
Published 01-10-2025Last modified 11-05-2026

Vulnerability summary

CVE-2022-50427 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 5.1% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.16%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 8 · Related 6
RHSA-2023:2458RHSA-2023:2951SUSE-SU-2025:03613-1SUSE-SU-2025:03615-1SUSE-SU-2025:03626-1SUSE-SU-2025:03628-1

Timeline

  1. 01-10-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

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 metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.16%

Chance of exploitation in the next 30 days

Percentile

5%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.16% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu119 products
  • linuxAll versions (No fix recorded) | < 4.15.0-204.215 | < 5.4.0-139.156 | < 5.15.0-60.66
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 4.15.0-1150.163 | < 5.4.0-1096.104 | < 5.15.0-1030.34
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 0ca06a00e206b963587ac471e6d1c52bf33b9a18, < a602ec9d88f177dba78bc97fb1adecc7a71ff279 | ≥ 0ca06a00e206b963587ac471e6d1c52bf33b9a18, < 0f8e9a15c8ecf95057061d370a2dddaf1cee4aeb | ≥ 0ca06a00e206b963587ac471e6d1c52bf33b9a18, < ee8bf0946f62ef00e5db4b613a9f664ac567259a | ≥ 0ca06a00e206b963587ac471e6d1c52bf33b9a18, < 758dbcc6fbf2286eff02743b093c70a18a407d66 | ≥ 0ca06a00e206b963587ac471e6d1c52bf33b9a18, < bfce73088682ef0770da951f51156c36a89be490 | ≥ 0ca06a00e206b963587ac471e6d1c52bf33b9a18, < 4fdf6f978c6b605ca0d67bf0e982b7a8fc0f4aab | ≥ 0ca06a00e206b963587ac471e6d1c52bf33b9a18, < c68b2e9ef246117f696e360bbdd2f5736b3a7127 | ≥ 0ca06a00e206b963587ac471e6d1c52bf33b9a18, < 4881bda5ea05c8c240fc8afeaa928e2bc43f61fa | 2.6.14
  • linux_kernel≥ 2.6.14, < 4.9.332 | ≥ 4.10, < 4.14.298 | ≥ 4.15, < 4.19.264 | ≥ 4.20, < 5.4.223 | ≥ 5.5, < 5.10.153 | ≥ 5.11, < 5.15.77 | ≥ 5.16, < 6.0.7 | 6.1:rc1 | 6.1:rc2
Debian1 product
  • linux< 6.0.7-1

3 vendors · 122 products

References

12 links
Show all 12 references