CVE-2025-38005

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> dmaengine: ti: k3-udma: Add missing locking<br /> <br /> Recent kernels complain about a missing lock in k3-udma.c when the lock<br /> validator is enabled:<br /> <br /> [ 4.128073] WARNING: CPU: 0 PID: 746 at drivers/dma/ti/../virt-dma.h:169 udma_start.isra.0+0x34/0x238<br /> [ 4.137352] CPU: 0 UID: 0 PID: 746 Comm: kworker/0:3 Not tainted 6.12.9-arm64 #28<br /> [ 4.144867] Hardware name: pp-v12 (DT)<br /> [ 4.148648] Workqueue: events udma_check_tx_completion<br /> [ 4.153841] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)<br /> [ 4.160834] pc : udma_start.isra.0+0x34/0x238<br /> [ 4.165227] lr : udma_start.isra.0+0x30/0x238<br /> [ 4.169618] sp : ffffffc083cabcf0<br /> [ 4.172963] x29: ffffffc083cabcf0 x28: 0000000000000000 x27: ffffff800001b005<br /> [ 4.180167] x26: ffffffc0812f0000 x25: 0000000000000000 x24: 0000000000000000<br /> [ 4.187370] x23: 0000000000000001 x22: 00000000e21eabe9 x21: ffffff8000fa0670<br /> [ 4.194571] x20: ffffff8001b6bf00 x19: ffffff8000fa0430 x18: ffffffc083b95030<br /> [ 4.201773] x17: 0000000000000000 x16: 00000000f0000000 x15: 0000000000000048<br /> [ 4.208976] x14: 0000000000000048 x13: 0000000000000000 x12: 0000000000000001<br /> [ 4.216179] x11: ffffffc08151a240 x10: 0000000000003ea1 x9 : ffffffc08046ab68<br /> [ 4.223381] x8 : ffffffc083cabac0 x7 : ffffffc081df3718 x6 : 0000000000029fc8<br /> [ 4.230583] x5 : ffffffc0817ee6d8 x4 : 0000000000000bc0 x3 : 0000000000000000<br /> [ 4.237784] x2 : 0000000000000000 x1 : 00000000001fffff x0 : 0000000000000000<br /> [ 4.244986] Call trace:<br /> [ 4.247463] udma_start.isra.0+0x34/0x238<br /> [ 4.251509] udma_check_tx_completion+0xd0/0xdc<br /> [ 4.256076] process_one_work+0x244/0x3fc<br /> [ 4.260129] process_scheduled_works+0x6c/0x74<br /> [ 4.264610] worker_thread+0x150/0x1dc<br /> [ 4.268398] kthread+0xd8/0xe8<br /> [ 4.271492] ret_from_fork+0x10/0x20<br /> [ 4.275107] irq event stamp: 220<br /> [ 4.278363] hardirqs last enabled at (219): [] _raw_spin_unlock_irq+0x38/0x50<br /> [ 4.287183] hardirqs last disabled at (220): [] el1_dbg+0x24/0x50<br /> [ 4.294879] softirqs last enabled at (182): [] handle_softirqs+0x1c0/0x3cc<br /> [ 4.303437] softirqs last disabled at (177): [] __do_softirq+0x1c/0x28<br /> [ 4.311559] ---[ end trace 0000000000000000 ]---<br /> <br /> This commit adds the missing locking.