Threats Tagged 'cve-2026-12631'
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Threats Tagged 'cve-2026-12631'
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0 CVE-2026-12631 is a vulnerability in the Zephyr kernel affecting the k_thread_join() and k_thread_abort() system calls. The kernel incorrectly handles access denial errors during thread object validation, leading to either a kernel crash or an access-control bypass depending on the compiler used. This flaw allows an unprivileged user-mode thread to cause a denial of service or potentially bypass access controls. The issue affects Zephyr versions from 2.3.0 up to but not including 4.4.2. A fix is available that corrects the verification logic to properly terminate unauthorized callers. Join the discussion | CVE Database V5 | 08/18/2026, 20:55:42 UTC Added: 08/18/2026, 21:07:55 UTC |
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