RLSA-2021:4647

RLSA-2021:4647 · Important: kernel security update

This page contains facts from public vulnerability sources. Check the original advisory before updating.

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: Insufficient validation of user-supplied sizes for the MSG_CRYPTO message type (CVE-2021-43267) * kernel: timer tree corruption leads to missing wakeup and system freeze (CVE-2021-20317) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

CVSS 8.8 · High · Fix available

Published

2021-11-15T09:57:15Z

Updated

2026-02-04T13:45:10.032629Z

Stack: system

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