CVE-2025-71182

{"id": "CVE-2025-71182", "cveTags": [], "metrics": {}, "published": "2026-01-31T12:16:03.463", "references": [{"url": "https://git.kernel.org/stable/c/46ca9dc978923c5e1247a9e9519240ba7ace413c", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/5d5602236f5db19e8b337a2cd87a90ace5ea776d", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/78d87b72cebe2a993fd5b017e9f14fb6278f2eae", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/79dd3f1d9dd310c2af89b09c71f34d93973b200f", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/ba6f0d1832eeb5eb3a6dc5cb30e0f720b3cb3536", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/c3a4316e3c746af415c0fd6c6d489ad13f53714d", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/ebb0dfd718dd31c8d3600612ca4b7207ec3d923a", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Awaiting Analysis", "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: j1939: make j1939_session_activate() fail if device is no longer registered\n\nsyzbot is still reporting\n\n unregister_netdevice: waiting for vcan0 to become free. Usage count = 2\n\neven after commit 93a27b5891b8 (\"can: j1939: add missing calls in\nNETDEV_UNREGISTER notification handler\") was added. A debug printk() patch\nfound that j1939_session_activate() can succeed even after\nj1939_cancel_active_session() from j1939_netdev_notify(NETDEV_UNREGISTER)\nhas completed.\n\nSince j1939_cancel_active_session() is processed with the session list lock\nheld, checking ndev->reg_state in j1939_session_activate() with the session\nlist lock held can reliably close the race window."}], "lastModified": "2026-02-03T16:44:36.630", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}