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Fixed

LIN1021-6698 : Security Advisory - linux - CVE-2023-40791

Created: Oct 16, 2023 Updated: Oct 19, 2023

Resolved Date: Oct 19, 2023

Found In Version: 10.21.20.1

Severity: Standard

Applicable for: Wind River Linux LTS 21

Component/s: Kernel

Description

extract_user_to_sg in lib/scatterlist.c in the Linux kernel before 6.4.12 fails to unpin pages in a certain situation, as demonstrated by a WARNING for try_grab_page.

CREATE(Triage):(User=admin) CVE-2023-40791 (https://nvd.nist.gov/vuln/detail/CVE-2023-40791)