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CVE-2023-40791

CVE-2023-40791

EPSS 0.4%
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.
Affected products
n/a · n/a

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References
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.12https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f443fd5af5dbd531f880d3645d5dd36976cf087fhttps://lkml.org/lkml/2023/8/3/323https://lore.kernel.org/linux-crypto/20571.1690369076%40warthog.procyon.org.uk/https://security.netapp.com/advisory/ntap-20231110-0009/