imPC@ndo IT

Tracker / CVE-2023-40791

CVE-2023-40791

Medium 6.3

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 and versions

linux linux_kernel · … → 6.4.12
netapp h300s_firmware
netapp h410s_firmware
netapp h500s_firmware
netapp h700s_firmware

Analysis

This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.

References