CVE-2022-24122
High
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.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedJan 29, 2022
First seenJan 29, 2022
How to fix
Update
- linux linux_kernel5.15.19, 5.16.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.14 ≤ v < 5.15.19, 5.16 ≤ v < 5.16.5 | 5.15.19, 5.16.5 |
| netapp h410c_firmware | No range specified | — |
| netapp h300s_firmware | No range specified | — |
| netapp h500s_firmware | No range specified | — |
| netapp h700s_firmware | No range specified | — |
| netapp h300e_firmware | No range specified | — |
| netapp h500e_firmware | No range specified | — |
| netapp h700e_firmware | No range specified | — |
| netapp h410s_firmware | No range specified | — |
| fedoraproject fedora | 34, 35 | — |
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