CVE-2022-24122

Name: CVE-2022-24122
Creator: NVD / NIST
Published: 2022-01-29T22:15:07.487+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 1.01%

Last modified Jun 17, 2026

CVE-2022-24122 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. kernel/ucount.c in the Linux kernel 5.14 through 5.16.4, when unprivileged user namespaces are enabled, allows a use-after-free and privilege escalation because a ucounts object can outlive its namespace.. EPSS estimates a 1.01% chance of exploitation in the next 30 days.

Description

kernel/ucount.c in the Linux kernel 5.14 through 5.16.4, when unprivileged user namespaces are enabled, allows a use-after-free and privilege escalation because a ucounts object can outlive its namespace.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

1.01%

58.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	>= 5.14, < 5.15.19
Linux	Linux Kernel	>= 5.16, < 5.16.5
Netapp	H410c Firmware	All versions
Netapp	H300s Firmware	All versions
Netapp	H500s Firmware	All versions
Netapp	H700s Firmware	All versions
Netapp	H300e Firmware	All versions
Netapp	H500e Firmware	All versions
Netapp	H700e Firmware	All versions
Netapp	H410s Firmware	All versions
Fedoraproject	Fedora	34
Fedoraproject	Fedora	35

References

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f9d87929d451d3e649699d0f1d74f71f77ad38f5Mailing List, Patch, Vendor Advisory
https://github.com/torvalds/linux/commit/f9d87929d451d3e649699d0f1d74f71f77ad38f5Patch, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HSR3AI2IQGRKZCHNKF6S25JGDKUEAWWL/Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VVSZKUJAZ2VN6LJ35J2B6YD6BOPQTU3B/Mailing List
https://security.netapp.com/advisory/ntap-20220221-0001/Third Party Advisory
https://www.openwall.com/lists/oss-security/2022/01/29/1Exploit, Mailing List, Third Party Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f9d87929d451d3e649699d0f1d74f71f77ad38f5Mailing List, Patch, Vendor Advisory
https://github.com/torvalds/linux/commit/f9d87929d451d3e649699d0f1d74f71f77ad38f5Patch, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HSR3AI2IQGRKZCHNKF6S25JGDKUEAWWL/Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VVSZKUJAZ2VN6LJ35J2B6YD6BOPQTU3B/Mailing List
https://security.netapp.com/advisory/ntap-20220221-0001/Third Party Advisory
https://www.openwall.com/lists/oss-security/2022/01/29/1Exploit, Mailing List, Third Party Advisory

Timeline

Published: Jan 29, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-24122?

How severe is CVE-2022-24122?

CVE-2022-24122 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.01% probability of exploitation in the next 30 days.

How do I fix CVE-2022-24122?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-24122?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST