CVE-2020-12771

Public on 2020-05-09
Modified on 2020-07-21
Description
An issue was discovered in the Linux kernel through 5.6.11. btree_gc_coalesce in drivers/md/bcache/btree.c has a deadlock if a coalescing operation fails.
Severity
Low severity
Low
CVSS v3 Base Score
5.1
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 1 kernel 2020-07-14 ALAS-2020-1401 Fixed
Amazon Linux 2 - Core kernel 2020-07-21 ALAS2-2020-1465 Fixed
Amazon Linux 2 - Kernel-5.4 Extra kernel 2022-01-20 ALAS2KERNEL-5.4-2022-013 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 5.1 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD CVSSv2 4.9 AV:L/AC:L/Au:N/C:N/I:N/A:C
NVD CVSSv3 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H