Disclosure summary
Linux Kernel contains an incorrect resource transfer between spheres vulnerability that could allow for privilege escalation.
CISA remediation guidance
"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
Datadog Security Labs · RSS-b01945905ea1a561f65536275a385dadd5c
Open original source · Updated May 27, 2026
From Exploit Code to Production Detection: Building a CVE-2026-31431 (Copy Fail) detection with Agents
CVE mention in publisher metadata; check the original affected versions.
FortiGuard Labs | FortiGuard Center - IR Advisories · RSS-3e980b641e41f610172938715fcea6d2219
Open original source · Updated May 13, 2026
Linux Kernel Vulnerability copy.fail - CVE-2026-31431
CVE mention in publisher metadata; check the original affected versions.
CERT-EU Security Advisories · RSS-260c20352669d84452c691ee00bfedffc91
Open original source · Updated Apr 30, 2026
2026-005: High Vulnerability in the Linux Kernel ("Copy Fail")
CVE mention in publisher metadata; check the original affected versions.
Original records & references
PUBLISHED 2026-05-01T00:00:00-04:00
MODIFIED 2026-05-01T00:00:00-04:00
INGESTED 2026-10-06T11:42:57-04:00