CVE-2025-40247
Full vulnerability record from the local CVENow database.
Description
In the Linux kernel, the following vulnerability has been resolved: drm/msm: Fix pgtable prealloc error path The following splat was reported: Unable to handle kernel NULL pointer dereference at virtual address 0000000000000010 Mem abort info: ESR = 0x0000000096000004 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x04: level 0 translation fault Data abort info: ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000 CM = 0, WnR = 0, TnD = 0, TagAccess = 0 GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 user pgtable: 4k pages, 48-bit VAs, pgdp=00000008d0fd8000 [0000000000000010] pgd=0000000000000000, p4d=0000000000000000 Internal error: Oops: 0000000096000004 [#1] SMP CPU: 5 UID: 1000 PID: 149076 Comm: Xwayland Tainted: G S 6.16.0-rc2-00809-g0b6974bb4134-dirty #367 PREEMPT Tainted: [S]=CPU_OUT_OF_SPEC Hardware name: Qualcomm Technologies, Inc. SM8650 HDK (DT) pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : build_detached_freelist+0x28/0x224 lr : kmem_cache_free_bulk.part.0+0x38/0x244 sp : ffff000a508c7a20 x29: ffff000a508c7a20 x28: ffff000a508c7d50 x27: ffffc4e49d16f350 x26: 0000000000000058 x25: 00000000fffffffc x24: 0000000000000000 x23: ffff00098c4e1450 x22: 00000000fffffffc x21: 0000000000000000 x20: ffff000a508c7af8 x19: 0000000000000002 x18: 00000000000003e8 x17: ffff000809523850 x16: ffff000809523820 x15: 0000000000401640 x14: ffff000809371140 x13: 0000000000000130 x12: ffff0008b5711e30 x11: 00000000001058fa x10: 0000000000000a80 x9 : ffff000a508c7940 x8 : ffff000809371ba0 x7 : 781fffe033087fff x6 : 0000000000000000 x5 : ffff0008003cd000 x4 : 781fffe033083fff x3 : ffff000a508c7af8 x2 : fffffdffc0000000 x1 : 0001000000000000 x0 : ffff0008001a6a00 Call trace: build_detached_freelist+0x28/0x224 (P) kmem_cache_free_bulk.part.0+0x38/0x244 kmem_cache_free_bulk+0x10/0x1c msm_iommu_pagetable_prealloc_cleanup+0x3c/0xd0 msm_vma_job_free+0x30/0x240 msm_ioctl_vm_bind+0x1d0/0x9a0 drm_ioctl_kernel+0x84/0x104 drm_ioctl+0x358/0x4d4 __arm64_sys_ioctl+0x8c/0xe0 invoke_syscall+0x44/0x100 el0_svc_common.constprop.0+0x3c/0xe0 do_el0_svc+0x18/0x20 el0_svc+0x30/0x100 el0t_64_sync_handler+0x104/0x130 el0t_64_sync+0x170/0x174 Code: aa0203f5 b26287e2 f2dfbfe2 aa0303f4 (f8737ab6) ---[ end trace 0000000000000000 ]--- Since msm_vma_job_free() is called directly from the ioctl, this looks like an error path cleanup issue. Which I think results from prealloc_cleanup() called without a preceding successful prealloc_allocate() call. So handle that case better. Patchwork: https://patchwork.freedesktop.org/patch/678677/
View original CVE JSON
{
"id": "CVE-2025-40247",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2025-12-04T16:16:18.107",
"lastModified": "2026-10-19T19:10:00.130",
"vulnStatus": "Deferred",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/msm: Fix pgtable prealloc error path\n\nThe following splat was reported:\n\n Unable to handle kernel NULL pointer dereference at virtual address 0000000000000010\n Mem abort info:\n ESR = 0x0000000096000004\n EC = 0x25: DABT (current EL), IL = 32 bits\n SET = 0, FnV = 0\n EA = 0, S1PTW = 0\n FSC = 0x04: level 0 translation fault\n Data abort info:\n ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000\n CM = 0, WnR = 0, TnD = 0, TagAccess = 0\n GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0\n user pgtable: 4k pages, 48-bit VAs, pgdp=00000008d0fd8000\n [0000000000000010] pgd=0000000000000000, p4d=0000000000000000\n Internal error: Oops: 0000000096000004 [#1] SMP\n CPU: 5 UID: 1000 PID: 149076 Comm: Xwayland Tainted: G S 6.16.0-rc2-00809-g0b6974bb4134-dirty #367 PREEMPT\n Tainted: [S]=CPU_OUT_OF_SPEC\n Hardware name: Qualcomm Technologies, Inc. SM8650 HDK (DT)\n pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)\n pc : build_detached_freelist+0x28/0x224\n lr : kmem_cache_free_bulk.part.0+0x38/0x244\n sp : ffff000a508c7a20\n x29: ffff000a508c7a20 x28: ffff000a508c7d50 x27: ffffc4e49d16f350\n x26: 0000000000000058 x25: 00000000fffffffc x24: 0000000000000000\n x23: ffff00098c4e1450 x22: 00000000fffffffc x21: 0000000000000000\n x20: ffff000a508c7af8 x19: 0000000000000002 x18: 00000000000003e8\n x17: ffff000809523850 x16: ffff000809523820 x15: 0000000000401640\n x14: ffff000809371140 x13: 0000000000000130 x12: ffff0008b5711e30\n x11: 00000000001058fa x10: 0000000000000a80 x9 : ffff000a508c7940\n x8 : ffff000809371ba0 x7 : 781fffe033087fff x6 : 0000000000000000\n x5 : ffff0008003cd000 x4 : 781fffe033083fff x3 : ffff000a508c7af8\n x2 : fffffdffc0000000 x1 : 0001000000000000 x0 : ffff0008001a6a00\n Call trace:\n build_detached_freelist+0x28/0x224 (P)\n kmem_cache_free_bulk.part.0+0x38/0x244\n kmem_cache_free_bulk+0x10/0x1c\n msm_iommu_pagetable_prealloc_cleanup+0x3c/0xd0\n msm_vma_job_free+0x30/0x240\n msm_ioctl_vm_bind+0x1d0/0x9a0\n drm_ioctl_kernel+0x84/0x104\n drm_ioctl+0x358/0x4d4\n __arm64_sys_ioctl+0x8c/0xe0\n invoke_syscall+0x44/0x100\n el0_svc_common.constprop.0+0x3c/0xe0\n do_el0_svc+0x18/0x20\n el0_svc+0x30/0x100\n el0t_64_sync_handler+0x104/0x130\n el0t_64_sync+0x170/0x174\n Code: aa0203f5 b26287e2 f2dfbfe2 aa0303f4 (f8737ab6)\n ---[ end trace 0000000000000000 ]---\n\nSince msm_vma_job_free() is called directly from the ioctl, this looks\nlike an error path cleanup issue. Which I think results from\nprealloc_cleanup() called without a preceding successful\nprealloc_allocate() call. So handle that case better.\n\nPatchwork: https://patchwork.freedesktop.org/patch/678677/"
},
{
"lang": "es",
"value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\ndrm/msm: Corregir la ruta de error de preasignación de tabla de páginas\n\nSe reportó el siguiente splat:\n\n No se puede manejar la desreferencia de puntero NULL del kernel en la dirección virtual 0000000000000010\n Información de aborto de memoria:\n ESR = 0x0000000096000004\n EC = 0x25: DABT (EL actual), IL = 32 bits\n SET = 0, FnV = 0\n EA = 0, S1PTW = 0\n FSC = 0x04: fallo de traducción de nivel 0\n Información de aborto de datos:\n ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000\n CM = 0, WnR = 0, TnD = 0, TagAccess = 0\n GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0\n tabla de páginas de usuario: páginas de 4k, VA de 48 bits, pgdp=00000008d0fd8000\n [0000000000000010] pgd=0000000000000000, p4d=0000000000000000\n Error interno: Oops: 0000000096000004 [#1] SMP\n CPU: 5 UID: 1000 PID: 149076 Comm: Xwayland Tainted: G S 6.16.0-rc2-00809-g0b6974bb4134-dirty #367 PREEMPT\n Tainted: [S]=CPU_OUT_OF_SPEC\n Nombre del hardware: Qualcomm Technologies, Inc. SM8650 HDK (DT)\n pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)\n pc : build_detached_freelist+0x28/0x224\n lr : kmem_cache_free_bulk.part.0+0x38/0x244\n sp : ffff000a508c7a20\n x29: ffff000a508c7a20 x28: ffff000a508c7d50 x27: ffffc4e49d16f350\n x26: 0000000000000058 x25: 00000000fffffffc x24: 0000000000000000\n x23: ffff00098c4e1450 x22: 00000000fffffffc x21: 0000000000000000\n x20: ffff000a508c7af8 x19: 0000000000000002 x18: 00000000000003e8\n x17: ffff000809523850 x16: ffff000809523820 x15: 0000000000401640\n x14: ffff000809371140 x13: 0000000000000130 x12: ffff0008b5711e30\n x11: 00000000001058fa x10: 0000000000000a80 x9 : ffff000a508c7940\n x8 : ffff000809371ba0 x7 : 781fffe033087fff x6 : 0000000000000000\n x5 : ffff0008003cd000 x4 : 781fffe033083fff x3 : ffff000a508c7af8\n x2 : fffffdffc0000000 x1 : 0001000000000000 x0 : ffff0008001a6a00\n Rastro de llamadas:\n build_detached_freelist+0x28/0x224 (P)\n kmem_cache_free_bulk.part.0+0x38/0x244\n kmem_cache_free_bulk+0x10/0x1c\n msm_iommu_pagetable_prealloc_cleanup+0x3c/0xd0\n msm_vma_job_free+0x30/0x240\n msm_ioctl_vm_bind+0x1d0/0x9a0\n drm_ioctl_kernel+0x84/0x104\n drm_ioctl+0x358/0x4d4\n __arm64_sys_ioctl+0x8c/0xe0\n invoke_syscall+0x44/0x100\n el0_svc_common.constprop.0+0x3c/0xe0\n do_el0_svc+0x18/0x20\n el0_svc+0x30/0x100\n el0t_64_sync_handler+0x104/0x130\n el0t_64_sync+0x170/0x174\n Código: aa0203f5 b26287e2 f2dfbfe2 aa0303f4 (f8737ab6)\n ---[ fin del rastro 0000000000000000 ]---\n\nDado que msm_vma_job_free() se llama directamente desde el ioctl, esto parece un problema de limpieza de la ruta de error. Lo que creo que resulta de la llamada a prealloc_cleanup() sin una llamada exitosa previa a prealloc_allocate(). Por lo tanto, manejar ese caso de mejor manera.\n\nPatchwork: https://patchwork.freedesktop.org/patch/678677/"
}
],
"affected": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"affectedData": [
{
"vendor": "Linux",
"product": "Linux",
"defaultStatus": "unaffected",
"programFiles": [
"drivers/gpu/drm/msm/msm_iommu.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"versions": [
{
"version": "0cf6c71d70d8aa39b8fd0e39c9009602a0e0d300",
"lessThan": "b865da18b6cb878f33b5920693d03f23b9c4d1a3",
"versionType": "git",
"status": "affected"
},
{
"version": "0cf6c71d70d8aa39b8fd0e39c9009602a0e0d300",
"lessThan": "830d68f2cb8ab6fb798bb9555016709a9e012af0",
"versionType": "git",
"status": "affected"
}
]
},
{
"vendor": "Linux",
"product": "Linux",
"defaultStatus": "affected",
"programFiles": [
"drivers/gpu/drm/msm/msm_iommu.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"versions": [
{
"version": "3.12",
"status": "affected"
},
{
"version": "0",
"lessThan": "3.12",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.17.10",
"lessThanOrEqual": "6.17.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.18",
"lessThanOrEqual": "*",
"versionType": "original_commit_for_fix",
"status": "unaffected"
}
]
}
]
}
],
"metrics": {},
"references": [
{
"url": "https://git.kernel.org/stable/c/830d68f2cb8ab6fb798bb9555016709a9e012af0",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/b865da18b6cb878f33b5920693d03f23b9c4d1a3",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
]
}