2024-11-09 13:03:21 +00:00
|
|
|
{
|
|
|
|
|
"id": "CVE-2024-50255",
|
|
|
|
|
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
|
|
|
|
|
"published": "2024-11-09T11:15:11.183",
|
2024-11-14 19:03:30 +00:00
|
|
|
"lastModified": "2024-11-14T18:10:12.383",
|
|
|
|
|
"vulnStatus": "Analyzed",
|
2024-11-09 13:03:21 +00:00
|
|
|
"cveTags": [],
|
|
|
|
|
"descriptions": [
|
|
|
|
|
{
|
|
|
|
|
"lang": "en",
|
|
|
|
|
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci: fix null-ptr-deref in hci_read_supported_codecs\n\nFix __hci_cmd_sync_sk() to return not NULL for unknown opcodes.\n\n__hci_cmd_sync_sk() returns NULL if a command returns a status event.\nHowever, it also returns NULL where an opcode doesn't exist in the\nhci_cc table because hci_cmd_complete_evt() assumes status = skb->data[0]\nfor unknown opcodes.\nThis leads to null-ptr-deref in cmd_sync for HCI_OP_READ_LOCAL_CODECS as\nthere is no hci_cc for HCI_OP_READ_LOCAL_CODECS, which always assumes\nstatus = skb->data[0].\n\nKASAN: null-ptr-deref in range [0x0000000000000070-0x0000000000000077]\nCPU: 1 PID: 2000 Comm: kworker/u9:5 Not tainted 6.9.0-ga6bcb805883c-dirty #10\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014\nWorkqueue: hci7 hci_power_on\nRIP: 0010:hci_read_supported_codecs+0xb9/0x870 net/bluetooth/hci_codec.c:138\nCode: 08 48 89 ef e8 b8 c1 8f fd 48 8b 75 00 e9 96 00 00 00 49 89 c6 48 ba 00 00 00 00 00 fc ff df 4c 8d 60 70 4c 89 e3 48 c1 eb 03 <0f> b6 04 13 84 c0 0f 85 82 06 00 00 41 83 3c 24 02 77 0a e8 bf 78\nRSP: 0018:ffff888120bafac8 EFLAGS: 00010212\nRAX: 0000000000000000 RBX: 000000000000000e RCX: ffff8881173f0040\nRDX: dffffc0000000000 RSI: ffffffffa58496c0 RDI: ffff88810b9ad1e4\nRBP: ffff88810b9ac000 R08: ffffffffa77882a7 R09: 1ffffffff4ef1054\nR10: dffffc0000000000 R11: fffffbfff4ef1055 R12: 0000000000000070\nR13: 0000000000000000 R14: 0000000000000000 R15: ffff88810b9ac000\nFS: 0000000000000000(0000) GS:ffff8881f6c00000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007f6ddaa3439e CR3: 0000000139764003 CR4: 0000000000770ef0\nPKRU: 55555554\nCall Trace:\n <TASK>\n hci_read_local_codecs_sync net/bluetooth/hci_sync.c:4546 [inline]\n hci_init_stage_sync net/bluetooth/hci_sync.c:3441 [inline]\n hci_init4_sync net/bluetooth/hci_sync.c:4706 [inline]\n hci_init_sync net/bluetooth/hci_sync.c:4742 [inline]\n hci_dev_init_sync net/bluetooth/hci_sync.c:4912 [inline]\n hci_dev_open_sync+0x19a9/0x2d30 net/bluetooth/hci_sync.c:4994\n hci_dev_do_open net/bluetooth/hci_core.c:483 [inline]\n hci_power_on+0x11e/0x560 net/bluetooth/hci_core.c:1015\n process_one_work kernel/workqueue.c:3267 [inline]\n process_scheduled_works+0x8ef/0x14f0 kernel/workqueue.c:3348\n worker_thread+0x91f/0xe50 kernel/workqueue.c:3429\n kthread+0x2cb/0x360 kernel/kthread.c:388\n ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147\n ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244"
|
2024-11-12 15:03:42 +00:00
|
|
|
},
|
|
|
|
|
{
|
|
|
|
|
"lang": "es",
|
|
|
|
|
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: Bluetooth: hci: corregir null-ptr-deref en hci_read_supported_codecs Corregir __hci_cmd_sync_sk() para que no devuelva NULL para c\u00f3digos de operaci\u00f3n desconocidos. __hci_cmd_sync_sk() devuelve NULL si un comando devuelve un evento de estado. Sin embargo, tambi\u00e9n devuelve NULL cuando no existe un c\u00f3digo de operaci\u00f3n en la tabla hci_cc porque hci_cmd_complete_evt() asume status = skb->data[0] para c\u00f3digos de operaci\u00f3n desconocidos. Esto lleva a null-ptr-deref en cmd_sync para HCI_OP_READ_LOCAL_CODECS ya que no hay hci_cc para HCI_OP_READ_LOCAL_CODECS, que siempre asume status = skb->data[0]. KASAN: null-ptr-deref en el rango [0x0000000000000070-0x0000000000000077] CPU: 1 PID: 2000 Comm: kworker/u9:5 No contaminado 6.9.0-ga6bcb805883c-dirty #10 Nombre del hardware: PC est\u00e1ndar QEMU (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014 Cola de trabajo: hci7 hci_power_on RIP: 0010:hci_read_supported_codecs+0xb9/0x870 net/bluetooth/hci_codec.c:138 C\u00f3digo: 08 48 89 ef e8 b8 c1 8f fd 48 8b 75 00 e9 96 00 00 00 49 89 c6 48 ba 00 00 00 00 00 fc ff df 4c 8d 60 70 4c 89 e3 48 c1 eb 03 <0f> b6 04 13 84 c0 0f 85 82 06 00 00 41 83 3c 24 02 77 0a e8 bf 78 RSP: 0018:ffff888120bafac8 EFLAGS: 00010212 RAX: 000000000000000 RBX: 000000000000000e RCX: ffff8881173f0040 RDX: dffffc0000000000 RSI: ffffffffa58496c0 RDI: ffff88810b9ad1e4 RBP: ffff88810b9ac000 R08: ffffffffa77882a7 R09: 1ffffffff4ef1054 R10: dffffc0000000000 R11: fffffbfff4ef1055 R12: 0000000000000070 R13: 0000000000000000 R14: 0000000000000000 R15: ffff88810b9ac000 FS: 0000000000000000(0000) GS:ffff8881f6c00000(0000) knlGS:00000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6ddaa3439e CR3: 0000000139764003 CR4: 0000000000770ef0 PKRU: 55555554 Seguimiento de llamadas: hci_read_local_codecs_sync net/bluetooth/hci_sync.c:4546 [en l\u00ednea] hci_init_stage_sync net/bluetooth/hci_sync.c:3441 [en l\u00ednea] hci_init4_sync net/bluetooth/hci_sync.c:4706 [en l\u00ednea] hci_init_sync net/bluetooth/hci_sync.c:4742 [en l\u00ednea] hci_dev_init_sync net/bluetooth/hci_sync.c:4912 [en l\u00ednea] hci_dev_open_sync+0x19a9/0x2d30 net/bluetooth/hci_sync.c:4994 hci_dev_do_open net/bluetooth/hci_core.c:483 [en l\u00ednea] hci_power_on+0x11e/0x560 net/bluetooth/hci_core.c:1015 proceso_uno_trabajo kernel/workqueue.c:3267 [en l\u00ednea] proceso_trabajos_programados+0x8ef/0x14f0 kernel/workqueue.c:3348 subproceso de trabajo+0x91f/0xe50 kernel/workqueue.c:3429 subproceso de trabajo+0x2cb/0x360 kernel/kthread.c:388 ret_de_bifurcaci\u00f3n+0x4d/0x80 arch/x86/kernel/process.c:147 ret_de_bifurcaci\u00f3n_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244"
|
2024-11-09 13:03:21 +00:00
|
|
|
}
|
|
|
|
|
],
|
2024-11-14 19:03:30 +00:00
|
|
|
"metrics": {
|
|
|
|
|
"cvssMetricV31": [
|
|
|
|
|
{
|
|
|
|
|
"source": "nvd@nist.gov",
|
|
|
|
|
"type": "Primary",
|
|
|
|
|
"cvssData": {
|
|
|
|
|
"version": "3.1",
|
|
|
|
|
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
|
2024-12-08 03:06:42 +00:00
|
|
|
"baseScore": 5.5,
|
|
|
|
|
"baseSeverity": "MEDIUM",
|
2024-11-14 19:03:30 +00:00
|
|
|
"attackVector": "LOCAL",
|
|
|
|
|
"attackComplexity": "LOW",
|
|
|
|
|
"privilegesRequired": "LOW",
|
|
|
|
|
"userInteraction": "NONE",
|
|
|
|
|
"scope": "UNCHANGED",
|
|
|
|
|
"confidentialityImpact": "NONE",
|
|
|
|
|
"integrityImpact": "NONE",
|
2024-12-08 03:06:42 +00:00
|
|
|
"availabilityImpact": "HIGH"
|
2024-11-14 19:03:30 +00:00
|
|
|
},
|
|
|
|
|
"exploitabilityScore": 1.8,
|
|
|
|
|
"impactScore": 3.6
|
|
|
|
|
}
|
|
|
|
|
]
|
|
|
|
|
},
|
|
|
|
|
"weaknesses": [
|
|
|
|
|
{
|
|
|
|
|
"source": "nvd@nist.gov",
|
|
|
|
|
"type": "Primary",
|
|
|
|
|
"description": [
|
|
|
|
|
{
|
|
|
|
|
"lang": "en",
|
|
|
|
|
"value": "CWE-476"
|
|
|
|
|
}
|
|
|
|
|
]
|
|
|
|
|
}
|
|
|
|
|
],
|
|
|
|
|
"configurations": [
|
|
|
|
|
{
|
|
|
|
|
"nodes": [
|
|
|
|
|
{
|
|
|
|
|
"operator": "OR",
|
|
|
|
|
"negate": false,
|
|
|
|
|
"cpeMatch": [
|
|
|
|
|
{
|
|
|
|
|
"vulnerable": true,
|
|
|
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
|
|
|
"versionStartIncluding": "5.17",
|
|
|
|
|
"versionEndExcluding": "6.1.116",
|
|
|
|
|
"matchCriteriaId": "252AD171-75DB-4B57-93D9-E5FBF4064DC7"
|
|
|
|
|
},
|
|
|
|
|
{
|
|
|
|
|
"vulnerable": true,
|
|
|
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
|
|
|
"versionStartIncluding": "6.2",
|
|
|
|
|
"versionEndExcluding": "6.6.60",
|
|
|
|
|
"matchCriteriaId": "75088E5E-2400-4D20-915F-7A65C55D9CCD"
|
|
|
|
|
},
|
|
|
|
|
{
|
|
|
|
|
"vulnerable": true,
|
|
|
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
|
|
|
"versionStartIncluding": "6.7",
|
|
|
|
|
"versionEndExcluding": "6.11.7",
|
|
|
|
|
"matchCriteriaId": "E96F53A4-5E87-4A70-BD9A-BC327828D57F"
|
|
|
|
|
},
|
|
|
|
|
{
|
|
|
|
|
"vulnerable": true,
|
|
|
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*",
|
|
|
|
|
"matchCriteriaId": "7F361E1D-580F-4A2D-A509-7615F73167A1"
|
|
|
|
|
},
|
|
|
|
|
{
|
|
|
|
|
"vulnerable": true,
|
|
|
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:*",
|
|
|
|
|
"matchCriteriaId": "925478D0-3E3D-4E6F-ACD5-09F28D5DF82C"
|
|
|
|
|
},
|
|
|
|
|
{
|
|
|
|
|
"vulnerable": true,
|
|
|
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc3:*:*:*:*:*:*",
|
|
|
|
|
"matchCriteriaId": "3C95E234-D335-4B6C-96BF-E2CEBD8654ED"
|
|
|
|
|
},
|
|
|
|
|
{
|
|
|
|
|
"vulnerable": true,
|
|
|
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc4:*:*:*:*:*:*",
|
|
|
|
|
"matchCriteriaId": "E0F717D8-3014-4F84-8086-0124B2111379"
|
|
|
|
|
},
|
|
|
|
|
{
|
|
|
|
|
"vulnerable": true,
|
|
|
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc5:*:*:*:*:*:*",
|
|
|
|
|
"matchCriteriaId": "24DBE6C7-2AAE-4818-AED2-E131F153D2FA"
|
|
|
|
|
}
|
|
|
|
|
]
|
|
|
|
|
}
|
|
|
|
|
]
|
|
|
|
|
}
|
|
|
|
|
],
|
2024-11-09 13:03:21 +00:00
|
|
|
"references": [
|
|
|
|
|
{
|
|
|
|
|
"url": "https://git.kernel.org/stable/c/1e67d8641813f1876a42eeb4f532487b8a7fb0a8",
|
2024-11-14 19:03:30 +00:00
|
|
|
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
|
|
|
|
|
"tags": [
|
|
|
|
|
"Patch"
|
|
|
|
|
]
|
2024-11-09 13:03:21 +00:00
|
|
|
},
|
|
|
|
|
{
|
|
|
|
|
"url": "https://git.kernel.org/stable/c/1f1764466c33a4466363b821a25cd65c46a5a793",
|
2024-11-14 19:03:30 +00:00
|
|
|
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
|
|
|
|
|
"tags": [
|
|
|
|
|
"Patch"
|
|
|
|
|
]
|
2024-11-09 13:03:21 +00:00
|
|
|
},
|
|
|
|
|
{
|
|
|
|
|
"url": "https://git.kernel.org/stable/c/48d7c24b7ef6417c68f206566364db1f8087bb23",
|
2024-11-14 19:03:30 +00:00
|
|
|
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
|
|
|
|
|
"tags": [
|
|
|
|
|
"Patch"
|
|
|
|
|
]
|
2024-11-09 13:03:21 +00:00
|
|
|
},
|
|
|
|
|
{
|
|
|
|
|
"url": "https://git.kernel.org/stable/c/5d9054b9f769a8e124c4fa02072437c864726baf",
|
2024-11-14 19:03:30 +00:00
|
|
|
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
|
|
|
|
|
"tags": [
|
|
|
|
|
"Patch"
|
|
|
|
|
]
|
2024-11-09 13:03:21 +00:00
|
|
|
}
|
|
|
|
|
]
|
|
|
|
|
}
|
