Vulnerability 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.
CVSS Score
6.3
MEDIUM
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 6.4.12 |
| Netapp | H300S Firmware | - |
| Netapp | H300S | - |
| Netapp | H500S Firmware | - |
| Netapp | H500S | - |
| Netapp | H700S Firmware | - |
| Netapp | H700S | - |
| Netapp | H410S Firmware | - |
| Netapp | H410S | - |
References
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.12Release Notes
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f4Mailing ListPatch
- https://lkml.org/lkml/2023/8/3/323ExploitMailing ListThird Party Advisory
- https://lore.kernel.org/linux-crypto/20571.1690369076%40warthog.procyon.org.uk/Mailing ListPatch
- https://security.netapp.com/advisory/ntap-20231110-0009/Third Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.12Release Notes
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f4Mailing ListPatch
- https://lkml.org/lkml/2023/8/3/323ExploitMailing ListThird Party Advisory
- https://lore.kernel.org/linux-crypto/20571.1690369076%40warthog.procyon.org.uk/Mailing ListPatch
- https://security.netapp.com/advisory/ntap-20231110-0009/Third Party Advisory
FAQ
What is CVE-2023-40791?
CVE-2023-40791 is a vulnerability with a CVSS score of 6.3 (MEDIUM). 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.
How severe is CVE-2023-40791?
CVE-2023-40791 has been rated MEDIUM with a CVSS base score of 6.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-40791?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Netapp H300S Firmware, Netapp H300S, Netapp H500S Firmware, Netapp H500S.