CVE-2023-40791: linux kernel vulnerability

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.
CVE-2023-40791CVSS 6.3Linux

CVE-2023-40791: linux kernel vulnerability

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
6.3 MEDIUM
EPSS
35.93%
Known exploited
not in KEV
Product
linux kernel

What is known

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.

Sources

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