Is CVE-2026-56906 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-56906?

CVE-2026-56906 has a CVSS v3 severity of HIGH (7).

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CVE-2026-56906

Description

In ep_free of eventpoll.c, there is a possible use-after-free due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.