@canartuc.com on Bluesky

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Can Artuc

canartuc.com

did:plc:rfsgx2os6qfduys4ui2w4kor

CVE-2026-46333: during process teardown the kernel frees a task's memory descriptor before its file descriptors, and the permission check drops its dumpable guard in that window. A local user calls pidfd_getfd() and copies out SSH keys or /etc/shadow. Present since 2016. Why surface now? #kernel

2026-06-11T14:09:29.264Z