Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.14, < 5.15.19 |
| Netapp | H410C Firmware | - |
| Netapp | H410C | - |
| Netapp | H300S Firmware | - |
| Netapp | H300S | - |
| Netapp | H500S Firmware | - |
| Netapp | H500S | - |
| Netapp | H700S Firmware | - |
| Netapp | H700S | - |
| Netapp | H300E Firmware | - |
| Netapp | H300E | - |
| Netapp | H500E Firmware | - |
| Netapp | H500E | - |
| Netapp | H700E Firmware | - |
| Netapp | H700E | - |
| Netapp | H410S Firmware | - |
| Netapp | H410S | - |
| Fedoraproject | Fedora | 34 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f9d87Mailing ListPatchVendor Advisory
- https://github.com/torvalds/linux/commit/f9d87929d451d3e649699d0f1d74f71f77ad38fPatchThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproMailing List
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproMailing List
- https://security.netapp.com/advisory/ntap-20220221-0001/Third Party Advisory
- https://www.openwall.com/lists/oss-security/2022/01/29/1ExploitMailing ListThird Party Advisory
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f9d87Mailing ListPatchVendor Advisory
- https://github.com/torvalds/linux/commit/f9d87929d451d3e649699d0f1d74f71f77ad38fPatchThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproMailing List
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproMailing List
- https://security.netapp.com/advisory/ntap-20220221-0001/Third Party Advisory
- https://www.openwall.com/lists/oss-security/2022/01/29/1ExploitMailing ListThird Party Advisory
FAQ
What is CVE-2022-24122?
CVE-2022-24122 is a vulnerability with a CVSS score of 7.8 (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 namesp...
How severe is CVE-2022-24122?
CVE-2022-24122 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-24122?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Netapp H410C Firmware, Netapp H410C, Netapp H300S Firmware, Netapp H300S.