CVE-2024-27060
Vulnerability from cvelistv5
Published
2024-05-01 13:00
Modified
2024-12-19 08:53
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Fix NULL pointer dereference in tb_port_update_credits() Olliver reported that his system crashes when plugging in Thunderbolt 1 device: BUG: kernel NULL pointer dereference, address: 0000000000000020 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP NOPTI RIP: 0010:tb_port_do_update_credits+0x1b/0x130 [thunderbolt] Call Trace: <TASK> ? __die+0x23/0x70 ? page_fault_oops+0x171/0x4e0 ? exc_page_fault+0x7f/0x180 ? asm_exc_page_fault+0x26/0x30 ? tb_port_do_update_credits+0x1b/0x130 ? tb_switch_update_link_attributes+0x83/0xd0 tb_switch_add+0x7a2/0xfe0 tb_scan_port+0x236/0x6f0 tb_handle_hotplug+0x6db/0x900 process_one_work+0x171/0x340 worker_thread+0x27b/0x3a0 ? __pfx_worker_thread+0x10/0x10 kthread+0xe5/0x120 ? __pfx_kthread+0x10/0x10 ret_from_fork+0x31/0x50 ? __pfx_kthread+0x10/0x10 ret_from_fork_asm+0x1b/0x30 </TASK> This is due the fact that some Thunderbolt 1 devices only have one lane adapter. Fix this by checking for the lane 1 before we read its credits.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/440fba897c5ae32d7df1f1d609dbb19e2bba7fbb
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ce64ba1f6ec3439e4b4d880b4db99673f4507228
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d3d17e23d1a0d1f959b4fa55b35f1802d9c584fa
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/ce64ba1f6ec3439e4b4d880b4db99673f4507228
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/d3d17e23d1a0d1f959b4fa55b35f1802d9c584fa
Impacted products
Vendor Product Version
Linux Linux Version: 6.7
Show details on NVD website

To clipboard 

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    "dateReserved": "2024-02-19T14:20:24.215Z",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-27060\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-01T13:15:50.543\",\"lastModified\":\"2024-11-21T09:03:46.540\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nthunderbolt: Fix NULL pointer dereference in tb_port_update_credits()\\n\\nOlliver reported that his system crashes when plugging in Thunderbolt 1\\ndevice:\\n\\n BUG: kernel NULL pointer dereference, address: 0000000000000020\\n #PF: supervisor read access in kernel mode\\n #PF: error_code(0x0000) - not-present page\\n PGD 0 P4D 0\\n Oops: 0000 [#1] PREEMPT SMP NOPTI\\n RIP: 0010:tb_port_do_update_credits+0x1b/0x130 [thunderbolt]\\n Call Trace:\\n  \u003cTASK\u003e\\n  ? __die+0x23/0x70\\n  ? page_fault_oops+0x171/0x4e0\\n  ? exc_page_fault+0x7f/0x180\\n  ? asm_exc_page_fault+0x26/0x30\\n  ? tb_port_do_update_credits+0x1b/0x130\\n  ? tb_switch_update_link_attributes+0x83/0xd0\\n  tb_switch_add+0x7a2/0xfe0\\n  tb_scan_port+0x236/0x6f0\\n  tb_handle_hotplug+0x6db/0x900\\n  process_one_work+0x171/0x340\\n  worker_thread+0x27b/0x3a0\\n  ? __pfx_worker_thread+0x10/0x10\\n  kthread+0xe5/0x120\\n  ? __pfx_kthread+0x10/0x10\\n  ret_from_fork+0x31/0x50\\n  ? __pfx_kthread+0x10/0x10\\n  ret_from_fork_asm+0x1b/0x30\\n  \u003c/TASK\u003e\\n\\nThis is due the fact that some Thunderbolt 1 devices only have one lane\\nadapter. Fix this by checking for the lane 1 before we read its credits.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: Thunderbolt: corrige la desreferencia del puntero NULL en tb_port_update_credits() Olliver inform\u00f3 que su sistema falla al conectar el dispositivo Thunderbolt 1: ERROR: desreferencia del puntero NULL del kernel, direcci\u00f3n: 0000000000000020 #PF: supervisor le\u00eddo acceso en modo kernel #PF: error_code(0x0000) - p\u00e1gina no presente PGD 0 P4D 0 Vaya: 0000 [#1] PREEMPT SMP NOPTI RIP: 0010:tb_port_do_update_credits+0x1b/0x130 [thunderbolt] Seguimiento de llamadas:  ? __morir+0x23/0x70 ? page_fault_oops+0x171/0x4e0? exc_page_fault+0x7f/0x180? asm_exc_page_fault+0x26/0x30? tb_port_do_update_credits+0x1b/0x130 ? tb_switch_update_link_attributes+0x83/0xd0 tb_switch_add+0x7a2/0xfe0 tb_scan_port+0x236/0x6f0 tb_handle_hotplug+0x6db/0x900 Process_one_work+0x171/0x340 Workers_thread+0x27b/0x3a0 ? __pfx_worker_thread+0x10/0x10 kthread+0xe5/0x120 ? __pfx_kthread+0x10/0x10 ret_from_fork+0x31/0x50 ? __pfx_kthread+0x10/0x10 ret_from_fork_asm+0x1b/0x30  Esto se debe al hecho de que algunos dispositivos Thunderbolt 1 solo tienen un adaptador de l\u00ednea. Solucione este problema comprobando el carril 1 antes de leer sus cr\u00e9ditos.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/440fba897c5ae32d7df1f1d609dbb19e2bba7fbb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ce64ba1f6ec3439e4b4d880b4db99673f4507228\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d3d17e23d1a0d1f959b4fa55b35f1802d9c584fa\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ce64ba1f6ec3439e4b4d880b4db99673f4507228\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/d3d17e23d1a0d1f959b4fa55b35f1802d9c584fa\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
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}


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