linux: kernel/ucount.c in the Linux kernel 5.14 through 5.16.4, when unprivileged user namespaces are enabled, allows a use-...
CVE-2022-24122 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-24122, released January 29, 2022. It is not reported as exploited. Patch Radar priority: High.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| linux · Debian 12.15 (bookworm) | 5.15.15-2 | DEBIAN-CVE-2022-24122 | Jan 29, 2022 |
| linux · Debian 13.5 (trixie) | 5.15.15-2 | DEBIAN-CVE-2022-24122 | Jan 29, 2022 |
| linux · Debian 14 | 5.15.15-2 | DEBIAN-CVE-2022-24122 | Jan 29, 2022 |
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