CVE-2026-53011

highCVSS 7covered by 1 sourcefirst seen 2026-06-09

CSIRTS triage

What: A use-after-free vulnerability in advance_sched() can occur during a schedule switch.
Who is affected: Deployments of the affected Linux kernel versions.
Urgency: Remediation is necessary due to the high severity rating.
Action: Update to the patched version of the Linux kernel.

AI-assisted analysis generated from the source advisory — verify against the original.

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Low exploitation risk0.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all EPSS-scored CVEs.

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