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CVE-2023-1476

Kpatch: mm/mremap.c: incomplete fix for cve-2022-41222

CVSS 7 HIGHEPSS 0.2%CWE-416
A use-after-free flaw was found in the Linux kernel’s mm/mremap memory address space accounting source code. This issue occurs due to a race condition between rmap walk and mremap, allowing a local user to crash the system or potentially escalate their privileges on the system.
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Red Hat · Red Hat Enterprise Linux 8

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References
https://access.redhat.com/errata/RHSA-2023:1659https://access.redhat.com/security/cve/CVE-2023-1476https://bugzilla.redhat.com/show_bug.cgi?id=2176035https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=97113eb39fa7972722ff490b947d8af023e1f6a2