CVE-2025-31936: Intel Xeon 6315p Firmware

Medium severity, CVSS 5.7. EPSS: 0.1% chance of exploitation in the next 30 days.

Improper handling of overlap between protected memory ranges for some Intel(R) Xeon(R) 6 processors when using Intel(R) TDX within SMM may allow an escalation of privilege. SMM adversary with a privileged user combined with a high complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements are present with special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (high), integrity (high) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.

Affected products

• Intel Xeon 6315p Firmware: affected versions not specified
• Intel Xeon 6325p Firmware: affected versions not specified
• Intel Xeon 6333p Firmware: affected versions not specified
• Intel Xeon 6337p Firmware: affected versions not specified
• Intel Xeon 6349p Firmware: affected versions not specified
• Intel Xeon 6353p Firmware: affected versions not specified
• Intel Xeon 6357p Firmware: affected versions not specified
• Intel Xeon 6369p Firmware: affected versions not specified
• Intel Xeon 6377p Firmware: affected versions not specified
• Intel Xeon 6503p-B Firmware: affected versions not specified
• Intel Xeon 6503p Firmware: affected versions not specified
• Intel Xeon 6505p Firmware: affected versions not specified
• Intel Xeon 6507p Firmware: affected versions not specified
• Intel Xeon 6511p Firmware: affected versions not specified
• Intel Xeon 6513p-B Firmware: affected versions not specified
• Intel Xeon 6515p Firmware: affected versions not specified
• Intel Xeon 6516p-B Firmware: affected versions not specified
• Intel Xeon 6517p Firmware: affected versions not specified
• Intel Xeon 6518p-B Firmware: affected versions not specified
• Intel Xeon 6520p Firmware: affected versions not specified
• Intel Xeon 6521p Firmware: affected versions not specified
• Intel Xeon 6523p-B Firmware: affected versions not specified
• Intel Xeon 6527p Firmware: affected versions not specified
• Intel Xeon 6530p Firmware: affected versions not specified
• Intel Xeon 6532p-B Firmware: affected versions not specified
• and 48 more

Published 2026-08-11. Last modified 2026-09-29.