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LIN1021-7394 : Security Advisory - linux - CVE-2021-46917

Created: Feb 27, 2024    Updated: Mar 1, 2024
Resolved Date: Feb 28, 2024
Found In Version: 10.21.20.1
Fix Version: 10.21.20.9
Severity: Standard
Applicable for: Wind River Linux LTS 21
Component/s: Kernel

Description

In the Linux kernel, the following vulnerability has been resolved:

dmaengine: idxd: fix wq cleanup of WQCFG registers

A pre-release silicon erratum workaround where wq reset does not clear
WQCFG registers was leaked into upstream code. Use wq reset command
instead of blasting the MMIO region. This also address an issue where
we clobber registers in future devices.

CREATE(Triage):(User=admin) CVE-2021-46917 (https://nvd.nist.gov/vuln/detail/CVE-2021-46917)

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