6.5

CVE-2022-3621: debian debian_linux Improper Resource Shutdown or Release

CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2022-3621DEBIAN-CVE-2022-3621CGA-26v7-gvg6-5p7g
Published 20-10-2022Last modified 14-10-2026
Open JSON

Vulnerability summary

CVE-2022-3621 is a medium (CVSS 6.5) Improper Resource Shutdown or Release vulnerability in debian debian_linux. EPSS estimates a 1.73% chance of exploitation in the next 30 days, higher than 77.1% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
1.73%
0%100%
Low · +0.40 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 31 · Related 30
DLA-3173-1DLA-3245-1SUSE-SU-2022:3897-1SUSE-SU-2022:3929-1SUSE-SU-2022:3930-1SUSE-SU-2022:3998-1

Timeline

  1. 20-10-2022
    PublishedVulnerability first disclosed.
  2. 14-10-2026
    Last modifiedVulnerability information updated.

Description

A vulnerability was found in Linux Kernel. It has been classified as problematic. Affected is the function nilfs_bmap_lookup_at_level of the file fs/nilfs2/inode.c of the component nilfs2. The manipulation leads to null pointer dereference. It is possible to launch the attack remotely. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-211920.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

1.73%

Chance of exploitation in the next 30 days

Percentile

77%

Versus all other CVEs

30-day change

+0.40 pp

From 1.32% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.73%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu93 products
  • linuxAll versions (No fix recorded) | < 4.4.0-235.269 | < 4.15.0-200.211 | < 5.4.0-135.152 | < 5.15.0-56.62
  • linux-aws< 4.4.0-1114.120 | < 4.4.0-1152.167 | < 4.15.0-1146.158 | < 5.4.0-1092.100 | < 5.15.0-1026.30
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
  • linux-aws-5.13All versions (No fix recorded)
Chainguard78 products
  • hyperv-daemons-6.18All versions (No fix recorded)
  • hyperv-daemons-genericAll versions (No fix recorded)
  • linux-aws-6.12All versions (No fix recorded) | < 6.12.65-r0
  • linux-aws-6.12-boot-installedAll versions (No fix recorded)
  • linux-aws-6.12-fips-boot-installedAll versions (No fix recorded)
Debian2 products
Linux2 products

4 vendors · 175 products

References

23 links
Show all 23 references