CVE-2023-1476 Information

Description

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.

Reference

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