Skip to main content
No exploitation reportedFix available

CVE-2022-4379

No exploitation reported by the sources we read.

  • Published2023-01-10
  • Fixed in6.1.3 · 5.15.105 · 5.10.177
  • WeaknessCWE-416

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A use-after-free vulnerability was found in __nfs42_ssc_open() in fs/nfs/nfs4file.c in the Linux kernel. This flaw allows an attacker to conduct a remote denial

Timeline

dates in UTC
  1. 2023-01-1022:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-4379?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-4379?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Linux linux kernel
BranchAffectedFixed in
6.1≥ 5.16, < 6.1.36.1.3
5.x≥ 5.11, < 5.15.1055.15.105
5.x≥ 5.6, < 5.10.1775.10.177
Fedoraproject fedora
BranchAffectedFixed in
36.x= 36no fix published
37.x= 37no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Linux linux kernel to 6.1.3 · 5.15.105 · 5.10.177

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • CISA-ADPSSVC decisionnone2025-04-08
  • OpenCVESSVC decisionnone—
  • CISA-ADPCVSS 3.17.52025-04-08
  • NVDCVSS 3.17.5read 2026-10-23
  • CNAweakness (CWE)CWE-416read 2026-10-23
  • NVDweakness (CWE)CWE-416read 2026-10-23
  • FIRST EPSSEPSS score6.6 %2026-10-22

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2023-01-10
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2022-4379?

A use-after-free vulnerability was found in __nfs42_ssc_open() in fs/nfs/nfs4file.c in the Linux kernel. This flaw allows an attacker to conduct a remote denial

Is CVE-2022-4379 actively exploited?

Active exploitation of CVE-2022-4379 has not been confirmed. Its EPSS score was 6.6% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-4379?

CVE-2022-4379 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Hear about the next vulnerability in your software

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

No credit card required · No monthly cap on website lookups · 250 API requests/month