CVE-2020-8992medium
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://patchwork.ozlabs.org/patch/1236118/
https://security.netapp.com/advisory/ntap-20200313-0003/
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
https://usn.ubuntu.com/4318-1/
https://usn.ubuntu.com/4324-1/
https://usn.ubuntu.com/4344-1/
Details
Source: MITRE
Published: 2020-02-14
Updated: 2022-04-27
Type: CWE-400
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