CVE-2020-36322

medium

Description

An issue was discovered in the FUSE filesystem implementation in the Linux kernel before 5.10.6, aka CID-5d069dbe8aaf. fuse_do_getattr() calls make_bad_inode() in inappropriate situations, causing a system crash. NOTE: the original fix for this vulnerability was incomplete, and its incompleteness is tracked as CVE-2021-28950.

References

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.6

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5d069dbe8aaf2a197142558b6fb2978189ba3454

https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html

https://www.debian.org/security/2022/dsa-5096

https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html

Details

Source: MITRE

Published: 2021-04-14

Updated: 2022-04-18

Type: CWE-459

Risk Information

CVSS v2

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

CVSS v3

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