There are use-after-free vulnerabilities caused by timer handler in net/rose/rose_timer.c of linux that allow attackers to crash linux kernel without any privileges.
https://github.com/torvalds/linux/commit/9cc02ede696272c5271a401e4f27c262359bc2f6
https://www.debian.org/security/2022/dsa-5191
https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html
Source: MITRE
Published: 2022-07-06
Updated: 2023-02-28
Type: CWE-416
Base Score: 4.9
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C
Impact Score: 6.9
Exploitability Score: 3.9
Severity: MEDIUM
Base Score: 5.5
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 1.8
Severity: MEDIUM