CVE-2023-40791

Severity

90%

Complexity

39%

Confidentiality

86%

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 3.1 Base Score 9.1. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H).

Overview

First reported 1 year ago

2023-10-16 03:15:00

Last updated 1 year ago

2023-12-28 16:13:00

Affected Software

Linux Kernel

References

https://lkml.org/lkml/2023/8/3/323

https://lore.kernel.org/linux-crypto/[email protected]/

https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.12

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f443fd5af5dbd531f880d3645d5dd36976cf087f

https://lkml.org/lkml/2023/8/3/323

Exploit, Mailing List, Third Party Advisory

https://lore.kernel.org/linux-crypto/[email protected]/

Mailing List, Vendor Advisory

https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.12

Release Notes

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f443fd5af5dbd531f880d3645d5dd36976cf087f

Mailing List, Patch

https://lore.kernel.org/linux-crypto/20571.1690369076%40warthog.procyon.org.uk/

https://security.netapp.com/advisory/ntap-20231110-0009/

https://lore.kernel.org/linux-crypto/20571.1690369076%40warthog.procyon.org.uk/

Mailing List, Patch

https://security.netapp.com/advisory/ntap-20231110-0009/

Third Party Advisory

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