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CVE Watch24 de set. de 2026

CVE-2026-58089

When a process calls execve(2) to execute a setuid or setgid image, hwpmc(4) is supposed to detach PMCs owned by unprivileged processes. An

CVSS

7.8

Alta

EPSS

0.1%

p3

KEV

—

Exploit Today

1

0-100

Publicado: 26 de ago. de 2026 · Última mod.: 24 de set. de 2026 · CWE-273

EPSS · 30d
0.1%EPSS · 30 dias0.1%
2026-10-082026-11-05
Descrição técnica

When a process calls execve(2) to execute a setuid or setgid image, hwpmc(4) is supposed to detach PMCs owned by unprivileged processes. An inverted check meant that this scenario was not handled properly. An unprivileged local user who has attached PMCs to a process can continue monitoring it after the process executes a setuid or setgid binary, contrary to the intended policy.

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