In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Skip Recompute DSC Params if no Stream on Link
[why] Encounter NULL pointer dereference uner mst + dsc setup.
BUG: kernel NULL pointer dereference, address: 0000000000000008 PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP NOPTI CPU: 4 PID: 917 Comm: sway Not tainted 6.3.9-arch1-1 #1 124dc55df4f5272ccb409f39ef4872fc2b3376a2 Hardware name: LENOVO 20NKS01Y00/20NKS01Y00, BIOS R12ET61W(1.31 ) 07/28/2022 RIP: 0010:drm_dp_atomic_find_time_slots+0x5e/0x260 [drm_display_helper] Code: 01 00 00 48 8b 85 60 05 00 00 48 63 80 88 00 00 00 3b 43 28 0f 8d 2e 01 00 00 48 8b 53 30 48 8d 04 80 48 8d 04 c2 48 8b 40 18 <48> 8> RSP: 0018:ffff960cc2df77d8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff8afb87e81280 RCX: 0000000000000224 RDX: ffff8afb9ee37c00 RSI: ffff8afb8da1a578 RDI: ffff8afb87e81280 RBP: ffff8afb83d67000 R08: 0000000000000001 R09: ffff8afb9652f850 R10: ffff960cc2df7908 R11: 0000000000000002 R12: 0000000000000000 R13: ffff8afb8d7688a0 R14: ffff8afb8da1a578 R15: 0000000000000224 FS: 00007f4dac35ce00(0000) GS:ffff8afe30b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000008 CR3: 000000010ddc6000 CR4: 00000000003506e0 Call Trace: <TASK> ? __die+0x23/0x70 ? page_fault_oops+0x171/0x4e0 ? plist_add+0xbe/0x100 ? exc_page_fault+0x7c/0x180 ? asm_exc_page_fault+0x26/0x30 ? drm_dp_atomic_find_time_slots+0x5e/0x260 [drm_display_helper 0e67723696438d8e02b741593dd50d80b44c2026] ? drm_dp_atomic_find_time_slots+0x28/0x260 [drm_display_helper 0e67723696438d8e02b741593dd50d80b44c2026] compute_mst_dsc_configs_for_link+0x2ff/0xa40 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054] ? fill_plane_buffer_attributes+0x419/0x510 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054] compute_mst_dsc_configs_for_state+0x1e1/0x250 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054] amdgpu_dm_atomic_check+0xecd/0x1190 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054] drm_atomic_check_only+0x5c5/0xa40 drm_mode_atomic_ioctl+0x76e/0xbc0
[how] dsc recompute should be skipped if no mode change detected on the new request. If detected, keep checking whether the stream is already on current state or not.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linuxUpgrade linux-6.1 | Nov 11, 2024 | Oct 21, 2024 |
| Ubuntu | — | Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-azure-fdeUpgrade linux-image-6.8.0-50-lowlatencyUpgrade linux-image-6.8.0-1020-azure-fdeUpgrade linux-image-6.8.0-1015-gkeUpgrade linux-image-6.8.0-1020-awsUpgrade linux-image-6.8.0-1019-nvidia-64kUpgrade linux-image-generic-lpaeUpgrade linux-image-nvidiaUpgrade linux-image-awsUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-lowlatency-64kUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-1017-oracle-64kUpgrade linux-image-6.8.0-1018-oemUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-6.8.0-1019-gcpUpgrade linux-image-6.8.0-1019-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-50-genericUpgrade linux-image-nvidia-6.8Upgrade linux-image-oem-22.04dUpgrade linux-image-oem-22.04Upgrade linux-image-6.8.0-1016-raspiUpgrade linux-image-6.8.0-50-generic-64kUpgrade linux-image-6.8.0-1017-oracleUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-raspiUpgrade linux-image-azureUpgrade linux-image-6.8.0-50-lowlatency-64kUpgrade linux-image-gcpUpgrade linux-image-6.8.0-1019-nvidia-lowlatencyUpgrade linux-image-lowlatency-hwe-24.04Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-virtual-hwe-24.04Upgrade linux-image-oracleUpgrade linux-image-oem-22.04cUpgrade linux-image-6.8.0-1020-azureUpgrade linux-image-generic-64kUpgrade linux-image-6.8.0-1017-ibmUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-ibm-classicUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-oracle-64kUpgrade linux-image-gkeop-6.8Upgrade linux-image-6.8.0-1019-nvidiaUpgrade linux-image-6.8.0-1002-gkeopUpgrade linux-image-lowlatency-64k-hwe-24.04Upgrade linux-image-virtual-hwe-22.04Upgrade linux-image-ibmUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-kvmUpgrade linux-image-gkeUpgrade linux-image-oem-22.04aUpgrade linux-image-oem-24.04aUpgrade linux-image-gkeopUpgrade linux-image-oem-24.04Upgrade linux-image-lowlatencyUpgrade linux-image-nvidia-64kUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-genericUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-oem-22.04bUpgrade linux-image-virtual | Dec 13, 2024 | Oct 21, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 9, 2025 | Oct 21, 2024 |
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