Threats Tagged 'cve-2026-98455'
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Threats Tagged 'cve-2026-98455'
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A NULL pointer dereference vulnerability in the Linux kernel's Bluetooth RFCOMM implementation was resolved. The flaw occurs in the RFCOMM_CONNINFO getsockopt handler when it dereferences a NULL session pointer due to improper handling of deferred setup sockets after disconnection. This can cause a kernel crash (general protection fault) when getsockopt is called on an accepted socket after the remote side disconnects. The issue arises because the session pointer is cleared while the defer_setup flag remains set, leading to unconditional dereference without a race condition. The vulnerability was fixed by restricting the exception to a specific socket state and verifying the session pointer before use. Join the discussion | GCVE Database | 10/18/2026, 18:31:49 UTC Added: 10/18/2026, 19:40:33 UTC |
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