CVE-2026-53114: falha em Linux
perf/amd/ibs: Avoid calling perf_allow_kernel() from the IBS NMI handler
Publicada em
3Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackepss 0.1%
probabilidade de exploração
0.1%top 99% das CVEs
exploração observada
nãonenhuma fonte reporta
In the Linux kernel, the following vulnerability has been resolved:
perf/amd/ibs: Avoid calling perf_allow_kernel() from the IBS NMI handler
Calling perf_allow_kernel() from the NMI context is unsafe and could be
fatal. Capture the permission at event-initialization time by storing it
in event->hw.flags, and have the NMI handler rely on that cached flag
instead of making the call directly.
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