5.5

CVE-2022-50042: net: genl: fix error path memory leak in policy dumping

Analyzed
AliasesUBUNTU-CVE-2022-50042DEBIAN-CVE-2022-50042
Published 18-06-2025Last modified 11-05-2026

Vulnerability summary

CVE-2022-50042 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 17% 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
0.25%
0%100%
Low · +0.01 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 3
RHSA-2021:4356RHSA-2023:6583RHSA-2023:7370

Timeline

  1. 18-06-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: net: genl: fix error path memory leak in policy dumping If construction of the array of policies fails when recording non-first policy we need to unwind. netlink_policy_dump_add_policy() itself also needs fixing as it currently gives up on error without recording the allocated pointer in the pstate pointer.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.25%

Chance of exploitation in the next 30 days

Percentile

17%

Versus all other CVEs

30-day change

Increase +0.01 pp

From 0.25% 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.

Ubuntu94 products
  • linux< 5.15.0-53.59
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 5.15.0-1023.27
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 50a896cf2d6f34e884a00139d6e6012c9833ace3, < 83411c9f05d5a8b637293b3389eca3d378197c04 | ≥ 50a896cf2d6f34e884a00139d6e6012c9833ace3, < b0672895d8be5d19d4b05ac83f807026fc791037 | ≥ 50a896cf2d6f34e884a00139d6e6012c9833ace3, < 26b6acd365823e99e46be3b27500f5dc235dda5e | ≥ 50a896cf2d6f34e884a00139d6e6012c9833ace3, < 249801360db3dec4f73768c502192020bfddeacc | 5.10
  • linux_kernel≥ 5.10, < 5.10.138 | ≥ 5.11, < 5.15.63 | ≥ 5.16, < 5.19.4 | 6.0:rc1
Debian1 product
  • linux< 6.0.2-1

3 vendors · 97 products

References

7 links