发布于3月6日3月6日 Members Ubuntu: (Multiple Advisories) (CVE-2024-35990): Linux kernel vulnerabilities Severity 5 CVSS (AV:L/AC:L/Au:S/C:N/I:N/A:C) Published 05/20/2024 Created 07/16/2024 Added 07/16/2024 Modified 01/28/2025 Description In the Linux kernel, the following vulnerability has been resolved: dma: xilinx_dpdma: Fix locking There are several places where either chan->lock or chan->vchan.lock was not held. Add appropriate locking. This fixes lockdep warnings like [ 31.077578] ------------[ cut here ]------------ [ 31.077831] WARNING: CPU: 2 PID: 40 at drivers/dma/xilinx/xilinx_dpdma.c:834 xilinx_dpdma_chan_queue_transfer+0x274/0x5e0 [ 31.077953] Modules linked in: [ 31.078019] CPU: 2 PID: 40 Comm: kworker/u12:1 Not tainted 6.6.20+ #98 [ 31.078102] Hardware name: xlnx,zynqmp (DT) [ 31.078169] Workqueue: events_unbound deferred_probe_work_func [ 31.078272] pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 31.078377] pc : xilinx_dpdma_chan_queue_transfer+0x274/0x5e0 [ 31.078473] lr : xilinx_dpdma_chan_queue_transfer+0x270/0x5e0 [ 31.078550] sp : ffffffc083bb2e10 [ 31.078590] x29: ffffffc083bb2e10 x28: 0000000000000000 x27: ffffff880165a168 [ 31.078754] x26: ffffff880164e920 x25: ffffff880164eab8 x24: ffffff880164d480 [ 31.078920] x23: ffffff880165a148 x22: ffffff880164e988 x21: 0000000000000000 [ 31.079132] x20: ffffffc082aa3000 x19: ffffff880164e880 x18: 0000000000000000 [ 31.079295] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000 [ 31.079453] x14: 0000000000000000 x13: ffffff8802263dc0 x12: 0000000000000001 [ 31.079613] x11: 0001ffc083bb2e34 x10: 0001ff880164e98f x9 : 0001ffc082aa3def [ 31.079824] x8 : 0001ffc082aa3dec x7 : 0000000000000000 x6 : 0000000000000516 [ 31.079982] x5 : ffffffc7f8d43000 x4 : ffffff88003c9c40 x3 : ffffffffffffffff [ 31.080147] x2 : ffffffc7f8d43000 x1 : 00000000000000c0 x0 : 0000000000000000 [ 31.080307] Call trace: [ 31.080340]xilinx_dpdma_chan_queue_transfer+0x274/0x5e0 [ 31.080518]xilinx_dpdma_issue_pending+0x11c/0x120 [ 31.080595]zynqmp_disp_layer_update+0x180/0x3ac [ 31.080712]zynqmp_dpsub_plane_atomic_update+0x11c/0x21c [ 31.080825]drm_atomic_helper_commit_planes+0x20c/0x684 [ 31.080951]drm_atomic_helper_commit_tail+0x5c/0xb0 [ 31.081139]commit_tail+0x234/0x294 [ 31.081246]drm_atomic_helper_commit+0x1f8/0x210 [ 31.081363]drm_atomic_commit+0x100/0x140 [ 31.081477]drm_client_modeset_commit_atomic+0x318/0x384 [ 31.081634]drm_client_modeset_commit_locked+0x8c/0x24c [ 31.081725]drm_client_modeset_commit+0x34/0x5c [ 31.081812]__drm_fb_helper_restore_fbdev_mode_unlocked+0x104/0x168 [ 31.081899]drm_fb_helper_set_par+0x50/0x70 [ 31.081971]fbcon_init+0x538/0xc48 [ 31.082047]visual_init+0x16c/0x23c [ 31.082207]do_bind_con_driver.isra.0+0x2d0/0x634 [ 31.082320]do_take_over_console+0x24c/0x33c [ 31.082429]do_fbcon_takeover+0xbc/0x1b0 [ 31.082503]fbcon_fb_registered+0x2d0/0x34c [ 31.082663]register_framebuffer+0x27c/0x38c [ 31.082767]__drm_fb_helper_initial_config_and_unlock+0x5c0/0x91c [ 31.082939]drm_fb_helper_initial_config+0x50/0x74 [ 31.083012]drm_fbdev_dma_client_hotplug+0xb8/0x108 [ 31.083115]drm_client_register+0xa0/0xf4 [ 31.083195]drm_fbdev_dma_setup+0xb0/0x1cc [ 31.083293]zynqmp_dpsub_drm_init+0x45c/0x4e0 [ 31.083431]zynqmp_dpsub_probe+0x444/0x5e0 [ 31.083616]platform_probe+0x8c/0x13c [ 31.083713]really_probe+0x258/0x59c [ 31.083793]__driver_probe_device+0xc4/0x224 [ 31.083878]driver_probe_device+0x70/0x1c0 [ 31.083961]__device_attach_driver+0x108/0x1e0 [ 31.084052]bus_for_each_drv+0x9c/0x100 [ 31.084125]__device_attach+0x100/0x298 [ 31.084207]device_initial_probe+0x14/0x20 [ 31.084292]bus_probe_device+0xd8/0xdc [ 31.084368]deferred_probe_work_func+0x11c/0x180 [ 31.084451]process_one_work+0x3ac/0x988 [ 31.084643]worker_thread+0x398/0x694 [ 31.084752]kthread+0x1bc/0x1c0 [ 31.084848]ret_from_fork+0x10/0x20 [ 31.084932] irq event stamp: 64549 [ 31.084970] hardirqs lastenabled at (64548): [<ffffffc081adf35c>] _raw_spin_unlock_irqrestore+0x80/0x90 [ 31.085157] ---truncated--- Solution(s) ubuntu-upgrade-linux-image-5-15-0-1035-xilinx-zynqmp ubuntu-upgrade-linux-image-5-15-0-1048-gkeop ubuntu-upgrade-linux-image-5-15-0-1058-ibm ubuntu-upgrade-linux-image-5-15-0-1058-raspi ubuntu-upgrade-linux-image-5-15-0-1060-intel-iotg ubuntu-upgrade-linux-image-5-15-0-1060-nvidia ubuntu-upgrade-linux-image-5-15-0-1060-nvidia-lowlatency ubuntu-upgrade-linux-image-5-15-0-1062-gke ubuntu-upgrade-linux-image-5-15-0-1062-kvm ubuntu-upgrade-linux-image-5-15-0-1063-oracle ubuntu-upgrade-linux-image-5-15-0-1064-gcp ubuntu-upgrade-linux-image-5-15-0-1065-aws ubuntu-upgrade-linux-image-5-15-0-1065-gcp ubuntu-upgrade-linux-image-5-15-0-1068-azure ubuntu-upgrade-linux-image-5-15-0-1068-azure-fde ubuntu-upgrade-linux-image-5-15-0-116-generic ubuntu-upgrade-linux-image-5-15-0-116-generic-64k ubuntu-upgrade-linux-image-5-15-0-116-generic-lpae ubuntu-upgrade-linux-image-5-15-0-116-lowlatency ubuntu-upgrade-linux-image-5-15-0-116-lowlatency-64k ubuntu-upgrade-linux-image-6-8-0-1007-gke ubuntu-upgrade-linux-image-6-8-0-1008-raspi ubuntu-upgrade-linux-image-6-8-0-1009-ibm ubuntu-upgrade-linux-image-6-8-0-1009-oem ubuntu-upgrade-linux-image-6-8-0-1010-nvidia ubuntu-upgrade-linux-image-6-8-0-1010-nvidia-64k ubuntu-upgrade-linux-image-6-8-0-1010-oracle ubuntu-upgrade-linux-image-6-8-0-1010-oracle-64k ubuntu-upgrade-linux-image-6-8-0-1011-gcp ubuntu-upgrade-linux-image-6-8-0-1011-nvidia-lowlatency ubuntu-upgrade-linux-image-6-8-0-1011-nvidia-lowlatency-64k ubuntu-upgrade-linux-image-6-8-0-1012-aws ubuntu-upgrade-linux-image-6-8-0-1012-azure ubuntu-upgrade-linux-image-6-8-0-1012-azure-fde ubuntu-upgrade-linux-image-6-8-0-39-generic ubuntu-upgrade-linux-image-6-8-0-39-generic-64k ubuntu-upgrade-linux-image-6-8-0-39-lowlatency ubuntu-upgrade-linux-image-6-8-0-39-lowlatency-64k ubuntu-upgrade-linux-image-aws ubuntu-upgrade-linux-image-aws-lts-22-04 ubuntu-upgrade-linux-image-azure ubuntu-upgrade-linux-image-azure-cvm ubuntu-upgrade-linux-image-azure-fde ubuntu-upgrade-linux-image-azure-fde-lts-22-04 ubuntu-upgrade-linux-image-azure-lts-22-04 ubuntu-upgrade-linux-image-gcp ubuntu-upgrade-linux-image-gcp-lts-22-04 ubuntu-upgrade-linux-image-generic ubuntu-upgrade-linux-image-generic-64k ubuntu-upgrade-linux-image-generic-64k-hwe-20-04 ubuntu-upgrade-linux-image-generic-64k-hwe-24-04 ubuntu-upgrade-linux-image-generic-hwe-20-04 ubuntu-upgrade-linux-image-generic-hwe-24-04 ubuntu-upgrade-linux-image-generic-lpae ubuntu-upgrade-linux-image-generic-lpae-hwe-20-04 ubuntu-upgrade-linux-image-gke ubuntu-upgrade-linux-image-gke-5-15 ubuntu-upgrade-linux-image-gkeop ubuntu-upgrade-linux-image-gkeop-5-15 ubuntu-upgrade-linux-image-ibm ubuntu-upgrade-linux-image-ibm-classic ubuntu-upgrade-linux-image-ibm-lts-24-04 ubuntu-upgrade-linux-image-intel ubuntu-upgrade-linux-image-intel-iotg ubuntu-upgrade-linux-image-kvm ubuntu-upgrade-linux-image-lowlatency ubuntu-upgrade-linux-image-lowlatency-64k ubuntu-upgrade-linux-image-lowlatency-64k-hwe-20-04 ubuntu-upgrade-linux-image-lowlatency-hwe-20-04 ubuntu-upgrade-linux-image-nvidia ubuntu-upgrade-linux-image-nvidia-64k ubuntu-upgrade-linux-image-nvidia-lowlatency ubuntu-upgrade-linux-image-nvidia-lowlatency-64k ubuntu-upgrade-linux-image-oem-20-04 ubuntu-upgrade-linux-image-oem-20-04b ubuntu-upgrade-linux-image-oem-20-04c ubuntu-upgrade-linux-image-oem-20-04d ubuntu-upgrade-linux-image-oem-24-04 ubuntu-upgrade-linux-image-oem-24-04a ubuntu-upgrade-linux-image-oracle ubuntu-upgrade-linux-image-oracle-64k ubuntu-upgrade-linux-image-oracle-lts-22-04 ubuntu-upgrade-linux-image-raspi ubuntu-upgrade-linux-image-raspi-nolpae ubuntu-upgrade-linux-image-virtual ubuntu-upgrade-linux-image-virtual-hwe-20-04 ubuntu-upgrade-linux-image-virtual-hwe-24-04 ubuntu-upgrade-linux-image-xilinx-zynqmp References https://attackerkb.com/topics/cve-2024-35990 CVE - 2024-35990 USN-6898-1 USN-6898-2 USN-6898-3 USN-6898-4 USN-6917-1 USN-6919-1 USN-6921-1 USN-6921-2 USN-6927-1 USN-6952-1 USN-6952-2 USN-7019-1 View more
