mm/rmap.c in the Linux kernel before 5.19.7 has a use-after-free related to leaf anon_vma double reuse.
https://github.com/torvalds/linux/commit/2555283eb40df89945557273121e9393ef9b542b
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2555283eb40df89945557273121e9393ef9b542b
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.7
Source: Mitre, NVD
Published: 2022-10-09
Updated: 2023-02-03
Base Score: 4.6
Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C
Severity: Medium
Base Score: 5.5
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H