High severity7.8NVD Advisory· Published Jan 29, 2022· Updated Jun 17, 2026
CVE-2022-24122
CVE-2022-24122
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Range: 5.14 - 5.16.4
Patches
Vulnerability mechanics
References
6- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/nvdMailing ListPatchVendor Advisory
- github.com/torvalds/linux/commit/f9d87929d451d3e649699d0f1d74f71f77ad38f5nvdPatchThird Party Advisory
- www.openwall.com/lists/oss-security/2022/01/29/1nvdExploitMailing ListThird Party Advisory
- security.netapp.com/advisory/ntap-20220221-0001/nvdThird Party Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HSR3AI2IQGRKZCHNKF6S25JGDKUEAWWL/nvdMailing List
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VVSZKUJAZ2VN6LJ35J2B6YD6BOPQTU3B/nvdMailing List
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