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CVE-2023-3567

Public on 2023-07-11
Modified on 2024-01-12
Description

A use-after-free flaw was found in vcs_read in drivers/tty/vt/vc_screen.c in vc_screen in the Linux Kernel. In this flaw an attacker with local user access may lead to a system crash or a leak of internal kernel information.

Severity
Medium
See what this means
CVSS v3 Base Score
6.7
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 kernel 2023-11-29 23:18 ALAS-2023-1897
Amazon Linux 2 - Core kernel 2023-11-29 22:19 ALAS2-2023-2359
Amazon Linux 2 - Kernel-5.10 Extra kernel 2023-06-21 19:12 ALAS2KERNEL-5.10-2023-034
Amazon Linux 2 - Kernel-5.10 Extra kernel 2023-03-17 16:46 ALAS2KERNEL-5.10-2023-028
Amazon Linux 2 - Kernel-5.15 Extra kernel 2023-03-17 16:45 ALAS2KERNEL-5.15-2023-014
Amazon Linux 2 - Kernel-5.15 Extra kernel 2023-06-21 19:12 ALAS2KERNEL-5.15-2023-021
Amazon Linux 2 - Kernel-5.15 Extra kernel 2024-02-01 20:10 ALAS2KERNEL-5.15-2024-037
Amazon Linux 2 - Kernel-5.4 Extra kernel 2023-03-17 16:45 ALAS2KERNEL-5.4-2023-043
Amazon Linux 2 - Kernel-5.4 Extra kernel 2023-06-21 19:12 ALAS2KERNEL-5.4-2023-047
Amazon Linux 2023 kernel 2023-06-21 19:11 ALAS2023-2023-228
Amazon Linux 2023 kernel 2023-03-11 01:10 ALAS2023-2023-132

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD CVSSv3 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H