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The Linux kernel before 5.17.2 mishandles seccomp permissions. The PTRACE_SEIZE code path allows attackers to bypass intended restrictions on setting the PT_SUSPEND_SECCOMP flag. https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.2 https://bugs.chromium.org/p/project-zero/issues/detail?id=2276 https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ee1fee900537b5d9560e9f937402de5ddc8412f3 https://github.com/torvalds/linux/commit/ee1fee900537b5d9560e9f937402de5ddc8412f3