CVE-2023-0458

Public on 2023-04-20
Modified on 2024-02-02
Description

Detected a few exploitable gadgets that could leak secret memory through a side-channel such as MDS as well as insufficient hardening of the usercopy functions against spectre-v1.

Severity
Important
See what this means
CVSS v3 Base Score
7.5
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 kernel 2023-03-17 15:53 ALAS-2023-1701
Amazon Linux 2 - Core kernel 2023-03-17 16:34 ALAS2-2023-1987
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 16:46 ALAS2KERNEL-5.15-2023-015
Amazon Linux 2 - Kernel-5.4 Extra kernel 2023-03-17 16:45 ALAS2KERNEL-5.4-2023-043
Amazon Linux 2023 kernel 2023-03-11 01:10 ALAS2023-2023-127

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.5 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
NVD CVSSv3 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N