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Fixed

LIN1023-3842 : Security Advisory - linux - CVE-2021-46920

Created: Feb 27, 2024    Updated: Apr 2, 2024
Resolved Date: Apr 1, 2024
Found In Version: 10.23.30.1
Severity: Standard
Applicable for: Wind River Linux LTS 23
Component/s: Kernel

Description

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

dmaengine: idxd: Fix clobbering of SWERR overflow bit on writeback

Current code blindly writes over the SWERR and the OVERFLOW bits. Write
back the bits actually read instead so the driver avoids clobbering the
OVERFLOW bit that comes after the register is read.

CREATE(Triage):(User=admin) CVE-2021-46920 (https://nvd.nist.gov/vuln/detail/CVE-2021-46920)