mirror of
https://github.com/fkie-cad/nvd-json-data-feeds.git
synced 2025-05-28 17:21:36 +00:00
80 lines
4.2 KiB
JSON
80 lines
4.2 KiB
JSON
{
|
|
"id": "CVE-2024-26786",
|
|
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
|
|
"published": "2024-04-04T09:15:08.247",
|
|
"lastModified": "2024-11-21T09:03:04.153",
|
|
"vulnStatus": "Awaiting Analysis",
|
|
"cveTags": [],
|
|
"descriptions": [
|
|
{
|
|
"lang": "en",
|
|
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\niommufd: Fix iopt_access_list_id overwrite bug\n\nSyzkaller reported the following WARN_ON:\n WARNING: CPU: 1 PID: 4738 at drivers/iommu/iommufd/io_pagetable.c:1360\n\n Call Trace:\n iommufd_access_change_ioas+0x2fe/0x4e0\n iommufd_access_destroy_object+0x50/0xb0\n iommufd_object_remove+0x2a3/0x490\n iommufd_object_destroy_user\n iommufd_access_destroy+0x71/0xb0\n iommufd_test_staccess_release+0x89/0xd0\n __fput+0x272/0xb50\n __fput_sync+0x4b/0x60\n __do_sys_close\n __se_sys_close\n __x64_sys_close+0x8b/0x110\n do_syscall_x64\n\nThe mismatch between the access pointer in the list and the passed-in\npointer is resulting from an overwrite of access->iopt_access_list_id, in\niopt_add_access(). Called from iommufd_access_change_ioas() when\nxa_alloc() succeeds but iopt_calculate_iova_alignment() fails.\n\nAdd a new_id in iopt_add_access() and only update iopt_access_list_id when\nreturning successfully."
|
|
},
|
|
{
|
|
"lang": "es",
|
|
"value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: iommufd: corrige el error de sobrescritura de iopt_access_list_id Syzkaller inform\u00f3 lo siguiente WARN_ON: ADVERTENCIA: CPU: 1 PID: 4738 en drivers/iommu/iommufd/io_pagetable.c:1360 Seguimiento de llamadas: iommufd_access_change_ioas+0x2fe /0x4e0 iommufd_access_destroy_object+0x50/0xb0 iommufd_object_remove+0x2a3/0x490 iommufd_object_destroy_user iommufd_access_destroy+0x71/0xb0 iommufd_test_staccess_release+0x89/0xd0 __fput+0x272/0x b50 __fput_sync+0x4b/0x60 __do_sys_close __se_sys_close __x64_sys_close+0x8b/0x110 do_syscall_x64 La falta de coincidencia entre el puntero de acceso en la lista y el puntero pasado resulta de una sobrescritura de acceso->iopt_access_list_id, en iopt_add_access(). Llamado desde iommufd_access_change_ioas() cuando xa_alloc() tiene \u00e9xito pero iopt_calculate_iova_alignment() falla. Agregue un new_id en iopt_add_access() y actualice solo iopt_access_list_id cuando regrese exitosamente."
|
|
}
|
|
],
|
|
"metrics": {
|
|
"cvssMetricV31": [
|
|
{
|
|
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
|
|
"type": "Secondary",
|
|
"cvssData": {
|
|
"version": "3.1",
|
|
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
|
|
"baseScore": 5.5,
|
|
"baseSeverity": "MEDIUM",
|
|
"attackVector": "LOCAL",
|
|
"attackComplexity": "LOW",
|
|
"privilegesRequired": "LOW",
|
|
"userInteraction": "NONE",
|
|
"scope": "UNCHANGED",
|
|
"confidentialityImpact": "NONE",
|
|
"integrityImpact": "NONE",
|
|
"availabilityImpact": "HIGH"
|
|
},
|
|
"exploitabilityScore": 1.8,
|
|
"impactScore": 3.6
|
|
}
|
|
]
|
|
},
|
|
"weaknesses": [
|
|
{
|
|
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
|
|
"type": "Secondary",
|
|
"description": [
|
|
{
|
|
"lang": "en",
|
|
"value": "CWE-476"
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"references": [
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/9526a46cc0c378d381560279bea9aa34c84298a0",
|
|
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/aeb004c0cd6958e910123a1607634401009c9539",
|
|
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/f1fb745ee0a6fe43f1d84ec369c7e6af2310fda9",
|
|
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/9526a46cc0c378d381560279bea9aa34c84298a0",
|
|
"source": "af854a3a-2127-422b-91ae-364da2661108"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/aeb004c0cd6958e910123a1607634401009c9539",
|
|
"source": "af854a3a-2127-422b-91ae-364da2661108"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/f1fb745ee0a6fe43f1d84ec369c7e6af2310fda9",
|
|
"source": "af854a3a-2127-422b-91ae-364da2661108"
|
|
}
|
|
]
|
|
} |