Select your cookie preferences

We use cookies and similar tools to enhance your experience, provide our services, deliver relevant advertising, and make improvements. Approved third parties also use these tools to help us deliver advertising and provide certain site features.

CVE-2020-29660

Public on 2020-12-09
Modified on 2021-01-26
Description

A locking inconsistency issue was discovered in the tty subsystem of the Linux kernel. A local user could use this flaw to read numerical value from memory after free.

Severity
Medium
See what this means
CVSS v3 Base Score
4.4
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 kernel 2021-01-26 00:11 ALAS-2021-1477
Amazon Linux 2 - Core kernel 2021-01-25 23:09 ALAS2-2021-1588
Amazon Linux 2 - Kernel-5.4 Extra kernel 2022-01-20 19:53 ALAS2KERNEL-5.4-2022-019
Amazon Linux 2 - Livepatch Extra kernel-livepatch-4.14.200-155.322 2021-01-19 20:18 ALAS2LIVEPATCH-2021-031
Amazon Linux 2 - Livepatch Extra kernel-livepatch-4.14.203-156.332 2021-01-19 20:18 ALAS2LIVEPATCH-2021-032
Amazon Linux 2 - Livepatch Extra kernel-livepatch-4.14.209-160.335 2021-01-19 20:18 ALAS2LIVEPATCH-2021-033
Amazon Linux 2 - Livepatch Extra kernel-livepatch-4.14.209-160.339 2021-01-19 20:18 ALAS2LIVEPATCH-2021-034

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
NVD CVSSv2 2.1 AV:L/AC:L/Au:N/C:P/I:N/A:N
NVD CVSSv3 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N