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CVE-2023-0459

Public on 2023-04-20
Modified on 2024-01-14
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-2023-1706
Amazon Linux 2 - Core kernel 2023-02-03 19:19 ALAS2-2023-1932
Amazon Linux 2 - Kernel-5.10 Extra kernel 2023-01-31 20:02 ALAS2KERNEL-5.10-2023-026
Amazon Linux 2 - Kernel-5.15 Extra kernel 2023-01-31 20:02 ALAS2KERNEL-5.15-2023-013
Amazon Linux 2 - Kernel-5.4 Extra kernel 2023-02-17 00:07 ALAS2KERNEL-5.4-2023-042
Amazon Linux 2023 kernel 2023-02-17 20:46 ALAS2023-2023-070

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 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N