Threats Tagged 'ghsa-xhgj-mp6g-fw2x'
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Threats Tagged 'ghsa-xhgj-mp6g-fw2x'
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A vulnerability in the Linux kernel's namespace handling allowed automounts to be added below a mount that is not in the caller's mount namespace. This could lead to a kernel crash (general protection fault) due to a null pointer dereference when accessing certain filesystem layers via fanotify. The issue arises because an internal mount flag (MNT_NS_INTERNAL) was incorrectly treated as a valid mount namespace, causing unsafe operations. The flaw has been resolved by using a safer check that rejects unmounted and internal mounts, preventing the crash and restoring expected behavior. Join the discussion | GCVE Database | 10/23/2026, 15:31:33 UTC Added: 10/23/2026, 18:43:27 UTC |
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