CVE-2025-39796

{"id": "CVE-2025-39796", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "[email protected]", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2025-09-12T16:15:33.987", "references": [{"url": "https://git.kernel.org/stable/c/53898ebabe843bfa7baea9dae152797d5d0563c9", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/57a7ef338a2cd62a22a15a199ab9afd3d953df55", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/628e233c1fefcc227fae9bdcff6be8ac92e1b4d2", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: lapbether: ignore ops-locked netdevs\n\nSyzkaller managed to trigger lock dependency in xsk_notify via\nregister_netdevice. As discussed in [0], using register_netdevice\nin the notifiers is problematic so skip adding lapbeth for ops-locked\ndevices.\n\n xsk_notifier+0xa4/0x280 net/xdp/xsk.c:1645\n notifier_call_chain+0xbc/0x410 kernel/notifier.c:85\n call_netdevice_notifiers_info+0xbe/0x140 net/core/dev.c:2230\n call_netdevice_notifiers_extack net/core/dev.c:2268 [inline]\n call_netdevice_notifiers net/core/dev.c:2282 [inline]\n unregister_netdevice_many_notify+0xf9d/0x2700 net/core/dev.c:12077\n unregister_netdevice_many net/core/dev.c:12140 [inline]\n unregister_netdevice_queue+0x305/0x3f0 net/core/dev.c:11984\n register_netdevice+0x18f1/0x2270 net/core/dev.c:11149\n lapbeth_new_device drivers/net/wan/lapbether.c:420 [inline]\n lapbeth_device_event+0x5b1/0xbe0 drivers/net/wan/lapbether.c:462\n notifier_call_chain+0xbc/0x410 kernel/notifier.c:85\n call_netdevice_notifiers_info+0xbe/0x140 net/core/dev.c:2230\n call_netdevice_notifiers_extack net/core/dev.c:2268 [inline]\n call_netdevice_notifiers net/core/dev.c:2282 [inline]\n __dev_notify_flags+0x12c/0x2e0 net/core/dev.c:9497\n netif_change_flags+0x108/0x160 net/core/dev.c:9526\n dev_change_flags+0xba/0x250 net/core/dev_api.c:68\n devinet_ioctl+0x11d5/0x1f50 net/ipv4/devinet.c:1200\n inet_ioctl+0x3a7/0x3f0 net/ipv4/af_inet.c:1001\n\n0: https://lore.kernel.org/netdev/[email protected]/"}], "lastModified": "2025-11-24T18:08:31.347", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "665E04B3-3C2F-4D7D-83BD-8A89096B94F5", "versionEndExcluding": "6.15.11", "versionStartIncluding": "6.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BD7C087D-2415-4521-B624-30003352F899", "versionEndExcluding": "6.16.2", "versionStartIncluding": "6.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "327D22EF-390B-454C-BD31-2ED23C998A1C"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}