An issue was discovered in the Linux kernel before 5.0.19. The XFRM subsystem has a use-after-free, related to an xfrm_state_fini panic, aka CID-dbb2483b2a46.
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.19
https://syzkaller.appspot.com/bug?id=f99edaeec58ad40380ed5813d89e205861be2896
https://sites.google.com/view/syzscope/warning-in-xfrm_state_fini-2
Source: MITRE
Published: 2021-06-07
Updated: 2022-04-29
Type: CWE-416
Base Score: 4.6
Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 3.9
Severity: MEDIUM
Base Score: 7.8
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 1.8
Severity: HIGH