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CVE-2021-42327

Public on 2021-10-21
Modified on 2022-11-29
Description

A flaw heap buffer overflow in the Linux kernel's AMD Radeon graphics card driver was found in the way user writes some malicious data to the AMD GPU Display Driver Debug Filesystem (to the VGA sub-directory of the /sys/kernel/debug/ directory). A local user could use this flaw to crash the system or escalate their privileges on the system.

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

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 - Kernel-5.10 Extra kernel 2024-02-01 20:10 ALAS2KERNEL-5.10-2024-049
Amazon Linux 2 - Kernel-5.10 Extra kernel 2022-01-21 00:04 ALAS2KERNEL-5.10-2022-008

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 CVSSv2 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P
NVD CVSSv3 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References

Red Hat: CVE-2021-42327 Mitre: CVE-2021-42327 FAQs regarding Amazon Linux ALAS/CVE Severity