high
CISA KEV
CVE-2026-31431
Linux Kernel Incorrect Resource Transfer Between Spheres Vulnerability
Description
Linux Kernel contains an incorrect resource transfer between spheres vulnerability that could allow for privilege escalation.
Required action
"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Federal remediation due May 15, 2026 — past due
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Coverage
- CVE-2026-31431: Analyzing the Copy.Fail Linux Kernel LPE
May 12, 2026
- "Dirty Frag" Linux Kernel LPE: Unpatched Root Access Risk
May 8, 2026
- CVE-2026-31431: CISA Warns of Linux Local Privilege Escalation Exploit
May 3, 2026
- CVE-2026-31431: Linux Kernel Resource Transfer Vulnerability Actively Exploited
May 1, 2026