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Status published
High
CVE-2022-24122
kernel/ucount.c in the Linux kernel 5.14 through 5.16.4, when unprivileged...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://github.com/torvalds/linux/commit/f9d87929d451d3e649699d0f1d74f71f77ad38f5
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f9d87929d451d3e649699d0f1d74f71f77ad38f5
- https://www.openwall.com/lists/oss-security/2022/01/29/1
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HSR3AI2IQGRKZCHNKF6S25JGDKUEAWWL/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VVSZKUJAZ2VN6LJ35J2B6YD6BOPQTU3B/
- https://security.netapp.com/advisory/ntap-20220221-0001/
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Affected Vendor
linux
View all reports →Affected Software
linux kernel, h410c firmware, h300s firmware, h500s firmware, h700s firmware, h300e firmware, h500e firmware, h700e firmware, h410s firmware, fedora
Vulnerable Versions:
5.14, 5.16, 34, 35
Timeline
Official Publish:
January 29th, 2022
Last Modified:
August 3rd, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.