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Vulnerability record · CVE-2022-4379 · published 10 January 2023

CVE-2022-4379: Linux kernel use after free vulnerability

Linux · Linux Kernel

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

7.5 CVSS 3.1 High EPSS 6.3% · top 6.6% CWE-416 · Use after free
7.5CVSS 3.1 base score
6.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
13References
17 Jun 2026Last modified by NVD

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

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=75333d48f92256a0dec91dbf07835e804fc411c0 PatchVendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=aeba12b26c79fc35e07e511f692a8907037d95da PatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LECFVUHKIRBV5JJBE3KQCLG Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RAVD6JIILAVSRHZ4VXSV3RA Mailing ListThird Party Advisory
https://seclists.org/oss-sec/2022/q4/185 Mailing ListThird Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=75333d48f92256a0dec91dbf07835e804fc411c0 PatchVendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=aeba12b26c79fc35e07e511f692a8907037d95da PatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LECFVUHKIRBV5JJBE3KQCLG Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RAVD6JIILAVSRHZ4VXSV3RA Mailing ListThird Party Advisory
https://seclists.org/oss-sec/2022/q4/185 Mailing ListThird Party Advisory
https://security.netapp.com/advisory/ntap-20230223-0004/

Track CVE-2022-4379 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2022-4379), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.