CVE-2026-31735 - Vulnerability Analysis

Overview

Linux kernel iommupt contains a logic flaw in unmap handling causing short gather invalidation when unmapping large or contiguous IOPTEs, potentially leading to incomplete invalidation, exploit requires triggering special unmap condition.

Severity & Score

Impact

Incomplete invalidation may cause inconsistent memory mappings, potentially leading to system instability or security issues.

Mitigation

Update to the latest Linux kernel version containing the fix.

References

• https://git.kernel.org/stable/c/50ecd96a28f712f8b682c0441f4cb9b086d28816
• https://git.kernel.org/stable/c/ee6e69d032550687a3422504bfca3f834c7b5061

Related Resources

• Vulnerability Intelligence Dashboard
• Credential Scanner