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[CISA KEV] CVE-2026-31431 — Linux Kernel: Linux Kernel Incorrect Resource Transfer Between Spheres Vulnerability

lowcisa_kevPublished 2026-05-01

CVE: CVE-2026-31431 Vendor: Linux Product: Kernel Vulnerability: Linux Kernel Incorrect Resource Transfer Between Spheres Vulnerability Date Added: 2026-05-01 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. Due Date: 2026-05-15 Known Ransomware Use: Unknown Notes:

MITRE ATT&CK techniques

Cloud ServicesT1021.007

Indicators of compromise

CVE-2026-31431cve
https://lore.kernel.org/linux-cve-announce/2026042214-CVE-2026-31431-3d65@gregkh/url
https://xint.io/blog/copy-fail-linux-distributions#the-fix-6url
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/about/url

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-31431