Name: CVE-2023-40791: Undefined Security Weakness
Creator: Rapid7
Published: 2023-10-16T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2023-40791, CVSS 6.3, EPSS 0.00479

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.

CVSS Details

CVSS 3.1 Base Score: 6.3
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Debian	—	Upgrade linux	Jul 27, 2026	Jul 27, 2026

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CVSS Details

Covered by Rapid7

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