vulnerability

Alma Linux: CVE-2021-3609: Important: kernel security, bug fix, and enhancement update (ALSA-2021-3057)

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Severity

CVSS

(AV:L/AC:M/Au:N/C:C/I:C/A:C)

Published

Mar 3, 2022

Added

May 4, 2022

Modified

Mar 31, 2026

Description

.A flaw was found in the CAN BCM networking protocol in the Linux kernel, where a local attacker can abuse a flaw in the CAN subsystem to corrupt memory, crash the system or escalate privileges. This race condition in net/can/bcm.c in the Linux kernel allows for local privilege escalation to root.

Solution

alma-upgrade-kernel-tools-libs-devel

References

CVE-2021-3609
https://attackerkb.com/topics/CVE-2021-3609
CWE-362
EUVD-EUVD-2021-26913
https://errata.almalinux.org/8/ALSA-2021-3057.html
https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-26913

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