CVE-2025-38005
Estado: ModificadaMedia (5.5)—
In the Linux kernel, the following vulnerability has been resolved:
dmaengine: ti: k3-udma: Add missing locking
Recent kernels complain about a missing lock in k3-udma.c when the lock validator is enabled:
This commit adds the missing locking.
Detalles técnicos trazas, registros y código del informe original
[ 4.128073] WARNING: CPU: 0 PID: 746 at drivers/dma/ti/../virt-dma.h:169 udma_start.isra.0+0x34/0x238 [ 4.137352] CPU: 0 UID: 0 PID: 746 Comm: kworker/0:3 Not tainted 6.12.9-arm64 #28 [ 4.144867] Hardware name: pp-v12 (DT) [ 4.148648] Workqueue: events udma_check_tx_completion [ 4.153841] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 4.160834] pc : udma_start.isra.0+0x34/0x238 [ 4.165227] lr : udma_start.isra.0+0x30/0x238 [ 4.169618] sp : ffffffc083cabcf0 [ 4.172963] x29: ffffffc083cabcf0 x28: 0000000000000000 x27: ffffff800001b005 [ 4.180167] x26: ffffffc0812f0000 x25: 0000000000000000 x24: 0000000000000000 [ 4.187370] x23: 0000000000000001 x22: 00000000e21eabe9 x21: ffffff8000fa0670 [ 4.194571] x20: ffffff8001b6bf00 x19: ffffff8000fa0430 x18: ffffffc083b95030 [ 4.201773] x17: 0000000000000000 x16: 00000000f0000000 x15: 0000000000000048 [ 4.208976] x14: 0000000000000048 x13: 0000000000000000 x12: 0000000000000001 [ 4.216179] x11: ffffffc08151a240 x10: 0000000000003ea1 x9 : ffffffc08046ab68 [ 4.223381] x8 : ffffffc083cabac0 x7 : ffffffc081df3718 x6 : 0000000000029fc8 [ 4.230583] x5 : ffffffc0817ee6d8 x4 : 0000000000000bc0 x3 : 0000000000000000 [ 4.237784] x2 : 0000000000000000 x1 : 00000000001fffff x0 : 0000000000000000 [ 4.244986] Call trace: [ 4.247463] udma_start.isra.0+0x34/0x238 [ 4.251509] udma_check_tx_completion+0xd0/0xdc [ 4.256076] process_one_work+0x244/0x3fc [ 4.260129] process_scheduled_works+0x6c/0x74 [ 4.264610] worker_thread+0x150/0x1dc [ 4.268398] kthread+0xd8/0xe8 [ 4.271492] ret_from_fork+0x10/0x20 [ 4.275107] irq event stamp: 220 [ 4.278363] hardirqs last enabled at (219): [<ffffffc080a27c7c>] _raw_spin_unlock_irq+0x38/0x50 [ 4.287183] hardirqs last disabled at (220): [<ffffffc080a1c154>] el1_dbg+0x24/0x50 [ 4.294879] softirqs last enabled at (182): [<ffffffc080037e68>] handle_softirqs+0x1c0/0x3cc [ 4.303437] softirqs last disabled at (177): [<ffffffc080010170>] __do_softirq+0x1c/0x28 [ 4.311559] ---[ end trace 0000000000000000 ]---
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 5.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.21%
- Percentil entre todas las CVEs puntuadas: 10
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (2)
CWE
- NVD-CWE-Other
Referencias
- https://git.kernel.org/stable/c/0ea0433f822ed0549715f7044c9cd1cf132ff7fa
- https://git.kernel.org/stable/c/26e63b2fe30c61bd25981c6084f67a8af79945d0
- https://git.kernel.org/stable/c/27e71fa08711e09d81e06a54007b362a5426fd22
- https://git.kernel.org/stable/c/99df1edf17493cb49a8c01f6bde55c3abb6a2a6c
- https://git.kernel.org/stable/c/d87f1cddc592387359fde157cc4296556f6403c2
- https://git.kernel.org/stable/c/df5987e76a4ae4cbd705d81ab4b15ed232250a4a
- https://git.kernel.org/stable/c/fca280992af8c2fbd511bc43f65abb4a17363f2f
- https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
JSON original (NVD)
Mostrar
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"descriptions": [
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"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: ti: k3-udma: Add missing locking\n\nRecent kernels complain about a missing lock in k3-udma.c when the lock\nvalidator is enabled:\n\n[ 4.128073] WARNING: CPU: 0 PID: 746 at drivers/dma/ti/../virt-dma.h:169 udma_start.isra.0+0x34/0x238\n[ 4.137352] CPU: 0 UID: 0 PID: 746 Comm: kworker/0:3 Not tainted 6.12.9-arm64 #28\n[ 4.144867] Hardware name: pp-v12 (DT)\n[ 4.148648] Workqueue: events udma_check_tx_completion\n[ 4.153841] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n[ 4.160834] pc : udma_start.isra.0+0x34/0x238\n[ 4.165227] lr : udma_start.isra.0+0x30/0x238\n[ 4.169618] sp : ffffffc083cabcf0\n[ 4.172963] x29: ffffffc083cabcf0 x28: 0000000000000000 x27: ffffff800001b005\n[ 4.180167] x26: ffffffc0812f0000 x25: 0000000000000000 x24: 0000000000000000\n[ 4.187370] x23: 0000000000000001 x22: 00000000e21eabe9 x21: ffffff8000fa0670\n[ 4.194571] x20: ffffff8001b6bf00 x19: ffffff8000fa0430 x18: ffffffc083b95030\n[ 4.201773] x17: 0000000000000000 x16: 00000000f0000000 x15: 0000000000000048\n[ 4.208976] x14: 0000000000000048 x13: 0000000000000000 x12: 0000000000000001\n[ 4.216179] x11: ffffffc08151a240 x10: 0000000000003ea1 x9 : ffffffc08046ab68\n[ 4.223381] x8 : ffffffc083cabac0 x7 : ffffffc081df3718 x6 : 0000000000029fc8\n[ 4.230583] x5 : ffffffc0817ee6d8 x4 : 0000000000000bc0 x3 : 0000000000000000\n[ 4.237784] x2 : 0000000000000000 x1 : 00000000001fffff x0 : 0000000000000000\n[ 4.244986] Call trace:\n[ 4.247463] udma_start.isra.0+0x34/0x238\n[ 4.251509] udma_check_tx_completion+0xd0/0xdc\n[ 4.256076] process_one_work+0x244/0x3fc\n[ 4.260129] process_scheduled_works+0x6c/0x74\n[ 4.264610] worker_thread+0x150/0x1dc\n[ 4.268398] kthread+0xd8/0xe8\n[ 4.271492] ret_from_fork+0x10/0x20\n[ 4.275107] irq event stamp: 220\n[ 4.278363] hardirqs last enabled at (219): [<ffffffc080a27c7c>] _raw_spin_unlock_irq+0x38/0x50\n[ 4.287183] hardirqs last disabled at (220): [<ffffffc080a1c154>] el1_dbg+0x24/0x50\n[ 4.294879] softirqs last enabled at (182): [<ffffffc080037e68>] handle_softirqs+0x1c0/0x3cc\n[ 4.303437] softirqs last disabled at (177): [<ffffffc080010170>] __do_softirq+0x1c/0x28\n[ 4.311559] ---[ end trace 0000000000000000 ]---\n\nThis commit adds the missing locking."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: dmaengine: ti: k3-udma: Agregar bloqueo faltante Los kernels recientes se quejan de un bloqueo faltante en k3-udma.c cuando el validador de bloqueo está habilitado: [ 4.128073] ADVERTENCIA: CPU: 0 PID: 746 en drivers/dma/ti/../virt-dma.h:169 udma_start.isra.0+0x34/0x238 [ 4.137352] CPU: 0 UID: 0 PID: 746 Comm: kworker/0:3 No contaminado 6.12.9-arm64 #28 [ 4.144867] Nombre del hardware: pp-v12 (DT) [ 4.148648] Cola de trabajo: eventos events udma_check_tx_completion [ 4.153841] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 4.160834] pc : udma_start.isra.0+0x34/0x238 [ 4.165227] lr : udma_start.isra.0+0x30/0x238 [ 4.169618] sp : ffffffc083cabcf0 [ 4.172963] x29: ffffffc083cabcf0 x28: 0000000000000000 x27: ffffff800001b005 [ 4.180167] x26: ffffffc0812f0000 x25: 0000000000000000 x24: 0000000000000000 [ 4.187370] x23: 0000000000000001 x22: 00000000e21eabe9 x21: ffffff8000fa0670 [ 4.194571] x20: ffffff8001b6bf00 x19: ffffff8000fa0430 x18: ffffffc083b95030 [ 4.201773] x17: 0000000000000000 x16: 00000000f0000000 x15: 0000000000000048 [ 4.208976] x14: 0000000000000048 x13: 0000000000000000 x12: 0000000000000001 [ 4.216179] x11: ffffffc08151a240 x10: 0000000000003ea1 x9 : ffffffc08046ab68 [ 4.223381] x8 : ffffffc083cabac0 x7 : ffffffc081df3718 x6 : 0000000000029fc8 [ 4.230583] x5 : ffffffc0817ee6d8 x4 : 0000000000000bc0 x3 : 0000000000000000 [ 4.237784] x2 : 0000000000000000 x1 : 00000000001fffff x0 : 0000000000000000 [ 4.244986] Call trace: [ 4.247463] udma_start.isra.0+0x34/0x238 [ 4.251509] udma_check_tx_completion+0xd0/0xdc [ 4.256076] process_one_work+0x244/0x3fc [ 4.260129] process_scheduled_works+0x6c/0x74 [ 4.264610] worker_thread+0x150/0x1dc [ 4.268398] kthread+0xd8/0xe8 [ 4.271492] ret_from_fork+0x10/0x20 [ 4.275107] irq event stamp: 220 [ 4.278363] hardirqs last enabled at (219): [] _raw_spin_unlock_irq+0x38/0x50 [ 4.287183] hardirqs last disabled at (220): [] el1_dbg+0x24/0x50 [ 4.294879] softirqs last enabled at (182): [] handle_softirqs+0x1c0/0x3cc [ 4.303437] softirqs last disabled at (177): [] __do_softirq+0x1c/0x28 [ 4.311559] ---[ fin del seguimiento 0000000000000000 ]--- Esta confirmación agrega el bloqueo faltante."
}
],
"lastModified": "2026-07-30T06:22:44.203",
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