Vulnerability Description
mm/mremap.c in the Linux kernel before 5.13.3 has a use-after-free via a stale TLB because an rmap lock is not held during a PUD move.
CVSS Score
7.0
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.0, < 5.4.211 |
| Debian | Debian Linux | 10.0 |
| Netapp | Hci Baseboard Management Controller | h300s |
| Canonical | Ubuntu Linux | 18.04 |
Related Weaknesses (CWE)
References
- http://packetstormsecurity.com/files/168466/Linux-Stable-5.4-5.10-Use-After-FreeThird Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/171005/Kernel-Live-Patch-Security-Notice-LNPatchThird Party Advisory
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2347ExploitIssue TrackingMailing List
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.3Release NotesVendor Advisory
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=97113PatchVendor Advisory
- https://lists.debian.org/debian-lts-announce/2022/11/msg00001.htmlMailing ListThird Party Advisory
- https://security.netapp.com/advisory/ntap-20230214-0008/Third Party Advisory
- http://packetstormsecurity.com/files/168466/Linux-Stable-5.4-5.10-Use-After-FreeThird Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/171005/Kernel-Live-Patch-Security-Notice-LNPatchThird Party Advisory
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2347ExploitIssue TrackingMailing List
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.3Release NotesVendor Advisory
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=97113PatchVendor Advisory
- https://lists.debian.org/debian-lts-announce/2022/11/msg00001.htmlMailing ListThird Party Advisory
- https://security.netapp.com/advisory/ntap-20230214-0008/Third Party Advisory
FAQ
What is CVE-2022-41222?
CVE-2022-41222 is a vulnerability with a CVSS score of 7.0 (HIGH). mm/mremap.c in the Linux kernel before 5.13.3 has a use-after-free via a stale TLB because an rmap lock is not held during a PUD move.
How severe is CVE-2022-41222?
CVE-2022-41222 has been rated HIGH with a CVSS base score of 7.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-41222?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Debian Debian Linux, Netapp Hci Baseboard Management Controller, Canonical Ubuntu Linux.