CVE-2022-24122

kernel: use-after-free and privilege escalation in kernel/ucount.c when unprivileged user namespaces are enabled

Published Jan 29, 2022 CVSS 3.1 · 7.8 High EPSS 1.0% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Ubuntu USN Ubuntu USN USN-5278-1 Linux kernel (OEM) vulnerabilities
History

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