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CVE Watch3 de nov. de 2026

CVE-2026-99245

In the Linux kernel, the following vulnerability has been resolved: KEYS: Fix key_reject_and_link() race with keyring restriction The rest

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0.2%

p13

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Publicado: 3 de nov. de 2026 · Última mod.: 3 de nov. de 2026

EPSS · 30d
0.2%EPSS · 30 dias0.2%
2026-11-042026-11-07
Descrição técnica

In the Linux kernel, the following vulnerability has been resolved: KEYS: Fix key_reject_and_link() race with keyring restriction The restrict_link check in key_reject_and_link() is done before taking the keyring semaphore, racing with a concurrent keyring_restrict() that installs the restriction while holding the semaphore in write mode. Move the check to after __key_link_lock(), so it is done under the semaphore, matching the pattern used in __key_create_or_update().

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