CRITICALExploited in the wildUnknown

Linux Kernel Incorrect Resource Transfer Between Spheres Vulnerability

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

CVE-2026-31431Published 3 months agoSource: CISA KEV

Affected packages

No package-level mapping for this advisory.

Exploit signal

Known exploited (CISA KEV)
Yes
EPSS score
94.55%
EPSS percentile
99.8%

EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs. This advisory is in the top 100%.

Sources

No external sources available.

Recommended response stack

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Linux Kernel Incorrect Resource Transfer Between Spheres Vulnerability | HackTribune