CVE-2023-40791
linux: extract_user_to_sg in lib/scatterlist.c in the Linux kernel before 6.4.12 fails to unpin pages in a certain situation...
CVE-2023-40791 is fixed in linux on 1 platform, first by DEBIAN-CVE-2023-40791, released October 16, 2023. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
6.3
medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0048
41st percentile
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| linux · Debian 13.5 (trixie) | 6.4.13-1 | DEBIAN-CVE-2023-40791 | Oct 16, 2023 |
| linux · Debian 14 | 6.4.13-1 | DEBIAN-CVE-2023-40791 | Oct 16, 2023 |
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