Medium severity6.3NVD Advisory· Published Oct 16, 2023· Updated Jun 17, 2026
CVE-2023-40791
CVE-2023-40791
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.
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Affected products
2Patches
Vulnerability mechanics
References
5- git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/nvdMailing ListPatch
- lore.kernel.org/linux-crypto/20571.1690369076%40warthog.procyon.org.uk/nvdMailing ListPatch
- lkml.org/lkml/2023/8/3/323nvdExploitMailing ListThird Party Advisory
- security.netapp.com/advisory/ntap-20231110-0009/nvdThird Party Advisory
- cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.12nvdRelease Notes
News mentions
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