UBUNTU-CVE-2022-41222
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.
02 / AFFECTED SOFTWARE
Affected packages
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47 explicit affected versions
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03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
05 / REFERENCES
Further evidence
- http://packetstormsecurity.com/files/168466/Linux-Stable-5.4-5.10-Use-After-Free-Race-Condition.html
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2347
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.3
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=97113eb39fa7972722ff490b947d8af023e1f6a2
- https://git.kernel.org/linus/97113eb39fa7972722ff490b947d8af023e1f6a2
- https://ubuntu.com/security/CVE-2022-41222
- https://ubuntu.com/security/notices/USN-5728-1
- https://ubuntu.com/security/notices/USN-5728-2
- https://ubuntu.com/security/notices/USN-5728-3
- https://www.cve.org/CVERecord?id=CVE-2022-41222