CVE-2020-8992

medium

Description

ext4_protect_reserved_inode in fs/ext4/block_validity.c in the Linux kernel through 5.5.3 allows attackers to cause a denial of service (soft lockup) via a crafted journal size.

References

https://usn.ubuntu.com/4419-1/

https://usn.ubuntu.com/4344-1/

https://usn.ubuntu.com/4342-1/

https://usn.ubuntu.com/4324-1/

https://usn.ubuntu.com/4318-1/

https://security.netapp.com/advisory/ntap-20200313-0003/

https://patchwork.ozlabs.org/patch/1236118/

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html

Details

Source: Mitre, NVD

Published: 2020-02-14

Updated: 2022-04-27

Risk Information

CVSS v2

Base Score: 4.9

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

Severity: Medium

CVSS v3

Base Score: 5.5

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