Linux
CVE-2026-99125: In the Linux kernel, the following vulnerability has been resolved: s390/pai: Handle multiple PMU stop callback invocations Handle the following scenario: The
CVE-2026-99125 Oct 28, 2026 Source: Vendor
In the Linux kernel, the following vulnerability has been resolved:
s390/pai: Handle multiple PMU stop callback invocations
Handle the following scenario:
The kernel protects itself against a very high sampling load and
throttles the sampling using:
perf_event_throttle() --> PMU->stop()
Shortly later the scheduler may terminate the task and removes it from the
CPU. It again calls
PMU->stop()
which results in two invocations of PMU->stop() called back to back.
Protect against this and c
Source of record
The credited names below are quoted verbatim from the vendor's own advisory:
https://nvd.nist.gov/vuln/detail/CVE-2026-99125
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