CVE-2022-24122
CVSS v3
7.8
HIGH
EPSS Score
1.0 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2022-01-29
Frequently asked questions
What is CVE-2022-24122?
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.
Is CVE-2022-24122 actively exploited?
Active exploitation of CVE-2022-24122 has not been confirmed. Its EPSS score was 1.0% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2022-24122?
CVE-2022-24122 has a CVSS v3 base score of 7.8 (HIGH severity).
Is CVE-2022-24122 affecting your environment?
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