CVE-2023-1476

high

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.

References

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=97113eb39fa7972722ff490b947d8af023e1f6a2

https://bugzilla.redhat.com/show_bug.cgi?id=2176035

https://access.redhat.com/security/cve/CVE-2023-1476

https://access.redhat.com/errata/RHSA-2023:1659

Details

Source: Mitre, NVD

Published: 2023-11-03

Updated: 2023-11-13

Risk Information

CVSS v2

Base Score: 6

Vector: CVSS2#AV:L/AC:H/Au:S/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High