CVE-2023-40791
MEDIUM
6.3
CVSS Score
Published: October 16, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 06:19 AM UTC
9 products affected across 2 vendorsLinux KernelH700S FirmwareH300S Firmware
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Severity
MEDIUM6.3
Exploit prediction
EPSS 0.5%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 6.4.12
Affected range stops below 6.4.12, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (5)
Mailing ListPatch
Source: [email protected]
https://lore.kernel.org/linux-crypto/20571.1690369076%40warthog.procyon.org.uk/Third Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20231110-0009/CVSS
- Attack Vector
- LOCAL
- Complexity
- HIGH
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-noinfo
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