VULNERABILITY INTELLIGENCE
CVE-2022-24122
CVSS score7.8 HIGH
EPSS probability1.01%
CISA KEVNot currently listed
Published2022-01-29
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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.
Weakness classification
- nvd@nist.gov: CWE-416
Primary references
- cve@mitre.org — Mailing List, Patch, Vendor Advisory
- cve@mitre.org — Patch, Third Party Advisory
- cve@mitre.org — Mailing List
- cve@mitre.org — Mailing List
- cve@mitre.org — Third Party Advisory
- cve@mitre.org — Exploit, Mailing List, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Mailing List, Third Party Advisory