5.5

CVE-2022-50395: integrity: Fix memory leakage in keyring allocation error path

Modified
AliasesUBUNTU-CVE-2022-50395DEBIAN-CVE-2022-50395
Published 18-09-2025Last modified 11-05-2026

Vulnerability summary

CVE-2022-50395 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 (CVE.org)
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 5 · Related 5

Timeline

  1. 18-09-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: integrity: Fix memory leakage in keyring allocation error path Key restriction is allocated in integrity_init_keyring(). However, if keyring allocation failed, it is not freed, causing memory leaks.

CVSS metrics

4 scores · 4 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) | < 5.4.0-144.161 | < 5.15.0-69.76
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.4.0-1097.105 | < 5.15.0-1033.37
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 2b6aa412ff23a02ac777ad307249c60a839cfd25, < 9b7c44885a07c5ee7f9bf3aa3c9c72fb110c8d22 | ≥ 2b6aa412ff23a02ac777ad307249c60a839cfd25, < 3bd737289c26be3cee4b9afaf61ef784a2af9d6e | ≥ 2b6aa412ff23a02ac777ad307249c60a839cfd25, < 29d6c69ba4b96a1de0376e44e5f8b38b13ec8803 | ≥ 2b6aa412ff23a02ac777ad307249c60a839cfd25, < 57e49ad12f8f5df0c48e1710c54b147a05a10c32 | ≥ 2b6aa412ff23a02ac777ad307249c60a839cfd25, < c591c48842f08d30ec6b8416757831985ed9a315 | ≥ 2b6aa412ff23a02ac777ad307249c60a839cfd25, < 39419ef7af0916cc3620ecf1ed42d29659109bf3 | 4.12
  • linux_kernel≥ 4.12, < 5.4.229 | ≥ 5.5, < 5.10.163 | ≥ 5.11, < 5.15.86 | ≥ 5.16, < 6.0.16 | ≥ 6.1, < 6.1.2
Debian1 product
  • linux< 6.1.4-1

3 vendors · 122 products

References

10 links