5.3

CVE-2022-50811: erofs: fix missing unmap if z_erofs_get_extent_compressedlen() fails

Deferred
AliasesUBUNTU-CVE-2022-50811DEBIAN-CVE-2022-50811
Published 30-12-2025Last modified 11-05-2026

Vulnerability summary

CVE-2022-50811 is a medium (CVSS 5.3) vulnerability in linux. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 14.5% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.3, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.3/10
010
Medium · v4.0 (OSV · Ubuntu), selected by version preference
EPSS score
0.24%
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 1
RHSA-2025:6966

Timeline

  1. 30-12-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: erofs: fix missing unmap if z_erofs_get_extent_compressedlen() fails Otherwise, meta buffers could be leaked.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

0.24%

Chance of exploitation in the next 30 days

Percentile

15%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.24% 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

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu113 products
  • linuxAll versions (No fix recorded)
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded)
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linux< 6.1.4-1
Linux1 product
  • linux≥ cec6e93beadfd145758af2c0854fcc2abb8170cb, < 091a8ca572a2e48554427feda78aa503e98c1028 | ≥ cec6e93beadfd145758af2c0854fcc2abb8170cb, < 373b6f350aecf5dca2e7474f0b4ec8cca659f2f0 | ≥ cec6e93beadfd145758af2c0854fcc2abb8170cb, < d5d188b8f8b38d3d71dd05993874b4fc9284ce95 | 5.13

3 vendors · 115 products

References

7 links