{ "schema_version": "1.6.1", "id": "RPI-CVE-2024-35990", "modified": "2026-10-07T17:22:01Z", "upstream": [ "CVE-2024-35990" ], "published": "2024-05-20T09:48:48Z", "summary": "dma: xilinx_dpdma: Fix locking", "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndma: xilinx_dpdma: Fix locking\n\nThere are several places where either chan->lock or chan->vchan.lock was\nnot held. Add appropriate locking. This fixes lockdep warnings like\n\n[ 31.077578] ------------[ cut here ]------------\n[ 31.077831] WARNING: CPU: 2 PID: 40 at drivers/dma/xilinx/xilinx_dpdma.c:834 xilinx_dpdma_chan_queue_transfer+0x274/0x5e0\n[ 31.077953] Modules linked in:\n[ 31.078019] CPU: 2 PID: 40 Comm: kworker/u12:1 Not tainted 6.6.20+ #98\n[ 31.078102] Hardware name: xlnx,zynqmp (DT)\n[ 31.078169] Workqueue: events_unbound deferred_probe_work_func\n[ 31.078272] pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n[ 31.078377] pc : xilinx_dpdma_chan_queue_transfer+0x274/0x5e0\n[ 31.078473] lr : xilinx_dpdma_chan_queue_transfer+0x270/0x5e0\n[ 31.078550] sp : ffffffc083bb2e10\n[ 31.078590] x29: ffffffc083bb2e10 x28: 0000000000000000 x27: ffffff880165a168\n[ 31.078754] x26: ffffff880164e920 x25: ffffff880164eab8 x24: ffffff880164d480\n[ 31.078920] x23: ffffff880165a148 x22: ffffff880164e988 x21: 0000000000000000\n[ 31.079132] x20: ffffffc082aa3000 x19: ffffff880164e880 x18: 0000000000000000\n[ 31.079295] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000\n[ 31.079453] x14: 0000000000000000 x13: ffffff8802263dc0 x12: 0000000000000001\n[ 31.079613] x11: 0001ffc083bb2e34 x10: 0001ff880164e98f x9 : 0001ffc082aa3def\n[ 31.079824] x8 : 0001ffc082aa3dec x7 : 0000000000000000 x6 : 0000000000000516\n[ 31.079982] x5 : ffffffc7f8d43000 x4 : ffffff88003c9c40 x3 : ffffffffffffffff\n[ 31.080147] x2 : ffffffc7f8d43000 x1 : 00000000000000c0 x0 : 0000000000000000\n[ 31.080307] Call trace:\n[ 31.080340] xilinx_dpdma_chan_queue_transfer+0x274/0x5e0\n[ 31.080518] xilinx_dpdma_issue_pending+0x11c/0x120\n[ 31.080595] zynqmp_disp_layer_update+0x180/0x3ac\n[ 31.080712] zynqmp_dpsub_plane_atomic_update+0x11c/0x21c\n[ 31.080825] drm_atomic_helper_commit_planes+0x20c/0x684\n[ 31.080951] drm_atomic_helper_commit_tail+0x5c/0xb0\n[ 31.081139] commit_tail+0x234/0x294\n[ 31.081246] drm_atomic_helper_commit+0x1f8/0x210\n[ 31.081363] drm_atomic_commit+0x100/0x140\n[ 31.081477] drm_client_modeset_commit_atomic+0x318/0x384\n[ 31.081634] drm_client_modeset_commit_locked+0x8c/0x24c\n[ 31.081725] drm_client_modeset_commit+0x34/0x5c\n[ 31.081812] __drm_fb_helper_restore_fbdev_mode_unlocked+0x104/0x168\n[ 31.081899] drm_fb_helper_set_par+0x50/0x70\n[ 31.081971] fbcon_init+0x538/0xc48\n[ 31.082047] visual_init+0x16c/0x23c\n[ 31.082207] do_bind_con_driver.isra.0+0x2d0/0x634\n[ 31.082320] do_take_over_console+0x24c/0x33c\n[ 31.082429] do_fbcon_takeover+0xbc/0x1b0\n[ 31.082503] fbcon_fb_registered+0x2d0/0x34c\n[ 31.082663] register_framebuffer+0x27c/0x38c\n[ 31.082767] __drm_fb_helper_initial_config_and_unlock+0x5c0/0x91c\n[ 31.082939] drm_fb_helper_initial_config+0x50/0x74\n[ 31.083012] drm_fbdev_dma_client_hotplug+0xb8/0x108\n[ 31.083115] drm_client_register+0xa0/0xf4\n[ 31.083195] drm_fbdev_dma_setup+0xb0/0x1cc\n[ 31.083293] zynqmp_dpsub_drm_init+0x45c/0x4e0\n[ 31.083431] zynqmp_dpsub_probe+0x444/0x5e0\n[ 31.083616] platform_probe+0x8c/0x13c\n[ 31.083713] really_probe+0x258/0x59c\n[ 31.083793] __driver_probe_device+0xc4/0x224\n[ 31.083878] driver_probe_device+0x70/0x1c0\n[ 31.083961] __device_attach_driver+0x108/0x1e0\n[ 31.084052] bus_for_each_drv+0x9c/0x100\n[ 31.084125] __device_attach+0x100/0x298\n[ 31.084207] device_initial_probe+0x14/0x20\n[ 31.084292] bus_probe_device+0xd8/0xdc\n[ 31.084368] deferred_probe_work_func+0x11c/0x180\n[ 31.084451] process_one_work+0x3ac/0x988\n[ 31.084643] worker_thread+0x398/0x694\n[ 31.084752] kthread+0x1bc/0x1c0\n[ 31.084848] ret_from_fork+0x10/0x20\n[ 31.084932] irq event stamp: 64549\n[ 31.084970] hardirqs last enabled at (64548): [] _raw_spin_unlock_irqrestore+0x80/0x90\n[ 31.085157]\n---truncated---", "affected": [ { "package": { "ecosystem": "Raspberry Pi OS:12", "name": "linux" }, "versions": [ "1:6.1.47-1+rpt4" ], "ecosystem_specific": { "binaries": [ { "binary_name": "linux-image-6.1.0-rpi3-rpi-2712", "binary_version": "1:6.1.47-1+rpt4" }, { "binary_name": "linux-image-6.1.0-rpi3-rpi-v6", "binary_version": "1:6.1.47-1+rpt4" }, { "binary_name": "linux-image-6.1.0-rpi3-rpi-v7", "binary_version": "1:6.1.47-1+rpt4" }, { "binary_name": "linux-image-6.1.0-rpi3-rpi-v7l", "binary_version": "1:6.1.47-1+rpt4" }, { "binary_name": "linux-image-6.1.0-rpi3-rpi-v8", "binary_version": "1:6.1.47-1+rpt4" } ] }, "database_specific": { "per_version": { "1:6.1.47-1+rpt4": { "linux_commit": "655fc658a15ae7a6f37103754adb39ba52a9a14e", "upstream_version": "6.1.47", "assessment": "commit ancestry (strak rule)", "upstream_fixed": "6.1.90", "compiled_filter": false } } } } ], "references": [ { "type": "ADVISORY", "url": "https://www.cve.org/CVERecord?id=CVE-2024-35990" }, { "type": "FIX", "url": "https://git.kernel.org/stable/c/fcdd5bb4a8c81c64c1334d7e0aba41a8829a24de" }, { "type": "FIX", "url": "https://git.kernel.org/stable/c/0ccac964520a6f19e355652c8ca38af2a7f27076" }, { "type": "FIX", "url": "https://git.kernel.org/stable/c/8bf574183282d219cfa991f7df37aad491d74c11" }, { "type": "FIX", "url": "https://git.kernel.org/stable/c/8e3c94767cad5150198e4337c8b91f3bb068e14b" }, { "type": "FIX", "url": "https://git.kernel.org/stable/c/c660be571609e03e7d5972343536a736fcb31557" }, { "type": "FIX", "url": "https://git.kernel.org/stable/c/244296cc3a155199a8b080d19e645d7d49081a38" } ], "database_specific": { "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git", "upstream_modified": "2026-08-05T11:52:36Z" } }