CVE-2023-40791

kernel: lib/scatterlist.c fails to unpin pages

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Severity

Moderate

Red Hat Product Security

6.3

CVSS 3.1

Review impact separately from score.

Published · August 3, 2023

Updated · February 19, 2026

Description

An unreleased memory page flaw (unpinned) was found in extract_user_to_sg in the lib/scatterlist.c function of the Linux kernel. This flaw allows a local user, or potentially remote user, to crash the system.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 6.3
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H

CWE not specified