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CVE-2023-2166

Public on 2023-04-19
Modified on 2024-01-12
Description

A null pointer dereference issue was found in the can protocol in net/can/af_can.c in the Linux Kernel. ml_priv may not be initialized in the receive path of CAN frames. This issue could allow a local user to crash the system or cause a denial of service.

Severity
Medium
See what this means
CVSS v3 Base Score
5.5
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 - Kernel-5.10 Extra kernel 2023-01-18 00:24 ALAS2KERNEL-5.10-2023-025
Amazon Linux 2 - Kernel-5.4 Extra kernel 2023-01-18 00:25 ALAS2KERNEL-5.4-2023-041

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD CVSSv3 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

Red Hat: CVE-2023-2166 Mitre: CVE-2023-2166 FAQs regarding Amazon Linux ALAS/CVE Severity