In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Check NULL before accessing
[WHAT] IGT kms_cursor_legacy's long-nonblocking-modeset-vs-cursor-atomic fails with NULL pointer dereference. This can be reproduced with both an eDP panel and a DP monitors connected.
BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 0 P4D 0 Oops: Oops: 0000 [#1] SMP NOPTI CPU: 13 UID: 0 PID: 2960 Comm: kms_cursor_lega Not tainted 6.16.0-99-custom #8 PREEMPT(voluntary) Hardware name: AMD ........ RIP: 0010:dc_stream_get_scanoutpos+0x34/0x130 [amdgpu] Code: 57 4d 89 c7 41 56 49 89 ce 41 55 49 89 d5 41 54 49 89 fc 53 48 83 ec 18 48 8b 87 a0 64 00 00 48 89 75 d0 48 c7 c6 e0 41 30 c2 <48> 8b 38 48 8b 9f 68 06 00 00 e8 8d d7 fd ff 31 c0 48 81 c3 e0 02 RSP: 0018:ffffd0f3c2bd7608 EFLAGS: 00010292 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffd0f3c2bd7668 RDX: ffffd0f3c2bd7664 RSI: ffffffffc23041e0 RDI: ffff8b32494b8000 RBP: ffffd0f3c2bd7648 R08: ffffd0f3c2bd766c R09: ffffd0f3c2bd7760 R10: ffffd0f3c2bd7820 R11: 0000000000000000 R12: ffff8b32494b8000 R13: ffffd0f3c2bd7664 R14: ffffd0f3c2bd7668 R15: ffffd0f3c2bd766c FS: 000071f631b68700(0000) GS:ffff8b399f114000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000001b8105000 CR4: 0000000000f50ef0 PKRU: 55555554 Call Trace: <TASK> dm_crtc_get_scanoutpos+0xd7/0x180 [amdgpu] amdgpu_display_get_crtc_scanoutpos+0x86/0x1c0 [amdgpu] ? __pfx_amdgpu_crtc_get_scanout_position+0x10/0x10[amdgpu] amdgpu_crtc_get_scanout_position+0x27/0x50 [amdgpu] drm_crtc_vblank_helper_get_vblank_timestamp_internal+0xf7/0x400 drm_crtc_vblank_helper_get_vblank_timestamp+0x1c/0x30 drm_crtc_get_last_vbltimestamp+0x55/0x90 drm_crtc_next_vblank_start+0x45/0xa0 drm_atomic_helper_wait_for_fences+0x81/0x1f0 ...
(cherry picked from commit 621e55f1919640acab25383362b96e65f2baea3c)
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linuxUpgrade linux-6.1 | Dec 18, 2025 | Dec 18, 2025 |
| Ubuntu | — | Upgrade linux-image-virtualUpgrade linux-image-5.15.0-1103-gcpUpgrade linux-image-5.15.0-1103-gcp-fipsUpgrade linux-image-aws-5.15Upgrade linux-image-nvidia-6.8Upgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-nvidiaUpgrade linux-image-oracleUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-generic-lpae-5.15Upgrade linux-image-gkeop-6.8Upgrade linux-image-oracle-6.17Upgrade linux-image-gcp-64k-6.17Upgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-generic-6.17Upgrade linux-image-raspi-nolpaeUpgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-gcp-5.15Upgrade linux-image-oracle-64k-6.8Upgrade linux-image-5.15.0-1097-raspiUpgrade linux-image-nvidia-tegra-igxUpgrade linux-image-6.17.0-19-genericUpgrade linux-image-gke-64kUpgrade linux-image-ibm-5.15Upgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-6.8.0-1049-ibmUpgrade linux-image-6.8.0-1050-aws-64kUpgrade linux-image-6.8.0-1050-raspiUpgrade linux-image-aws-fipsUpgrade linux-image-6.8.0-1052-gcp-fipsUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-6.8.0-1049-nvidiaUpgrade linux-image-azure-cvmUpgrade linux-image-5.15.0-1044-nvidia-tegra-igx-rtUpgrade linux-image-6.8.1-1045-realtimeUpgrade linux-image-6.8.0-1049-nvidia-64kUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-oracle-64k-6.17Upgrade linux-image-aws-lts-22.04Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-lowlatency-64kUpgrade linux-image-oem-22.04Upgrade linux-image-xilinx-zynqmp-5.15Upgrade linux-image-nvidia-tegra-igx-rt-5.15Upgrade linux-image-ibm-classicUpgrade linux-image-5.15.0-1109-azureUpgrade linux-image-gke-5.15Upgrade linux-image-awsUpgrade linux-image-generic-lpaeUpgrade linux-image-5.15.0-1055-nvidia-tegra-rtUpgrade linux-image-6.17.0-1017-oemUpgrade linux-image-6.8.0-1052-gcpUpgrade linux-image-6.8.0-1051-azureUpgrade linux-image-aws-64k-5.15Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-realtimeUpgrade linux-image-6.17.0-1009-gcpUpgrade linux-image-generic-5.15Upgrade linux-image-fipsUpgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-lowlatency-5.15Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-nvidia-lowlatency-5.15Upgrade linux-image-6.8.0-1029-xilinxUpgrade linux-image-nvidia-tegra-igx-rtUpgrade linux-image-azure-6.17Upgrade linux-image-lowlatency-64k-5.15Upgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-lowlatencyUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-nvidia-tegra-5.15Upgrade linux-image-oracle-lts-24.04Upgrade linux-image-raspi-realtime-6.8Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-gcp-6.8Upgrade linux-image-5.15.0-173-lowlatencyUpgrade linux-image-6.8.0-1048-gke-64kUpgrade linux-image-genericUpgrade linux-image-6.17.0-19-generic-64kUpgrade linux-image-5.15.0-1102-realtimeUpgrade linux-image-6.8.0-1047-oracle-64kUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-5.15.0-173-fipsUpgrade linux-image-5.15.0-1095-kvmUpgrade linux-image-6.17.0-1009-aws-64kUpgrade linux-image-5.15.0-1044-nvidia-tegra-igxUpgrade linux-image-5.15.0-1103-awsUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-5.15.0-173-generic-lpaeUpgrade linux-image-azure-lts-24.04Upgrade linux-image-generic-64k-5.15Upgrade linux-image-nvidia-tegra-rtUpgrade linux-image-6.17.0-1009-gcp-64kUpgrade linux-image-oem-22.04aUpgrade linux-image-oem-24.04bUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-1035-gkeopUpgrade linux-image-generic-64k-6.8Upgrade linux-image-intel-iotg-5.15Upgrade linux-image-6.8.0-1048-gkeUpgrade linux-image-6.17.0-1010-raspiUpgrade linux-image-lowlatency-6.8Upgrade linux-image-6.8.0-1050-awsUpgrade linux-image-gcp-fips-5.15Upgrade linux-image-6.17.0-1009-oracle-64kUpgrade linux-image-ibmUpgrade linux-image-aws-fips-5.15Upgrade linux-image-azure-fips-5.15Upgrade linux-image-5.15.0-1099-gkeUpgrade linux-image-5.15.0-1055-nvidia-tegraUpgrade linux-image-azure-5.15Upgrade linux-image-oem-20.04dUpgrade linux-image-oem-20.04Upgrade linux-image-5.15.0-173-lowlatency-64kUpgrade linux-image-virtual-5.15Upgrade linux-image-realtime-5.15Upgrade linux-image-oem-20.04bUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-raspi-realtimeUpgrade linux-image-kvmUpgrade linux-image-nvidia-tegra-rt-5.15Upgrade linux-image-5.15.0-1086-gkeopUpgrade linux-image-virtual-6.8Upgrade linux-image-realtime-6.17Upgrade linux-image-oracle-64kUpgrade linux-image-oem-24.04Upgrade linux-image-aws-lts-24.04Upgrade linux-image-virtual-6.17Upgrade linux-image-gke-64k-6.8Upgrade linux-image-aws-64k-6.17Upgrade linux-image-gcp-fipsUpgrade linux-image-azure-6.8Upgrade linux-image-6.8.0-106-fipsUpgrade linux-image-6.8.0-1050-aws-fipsUpgrade linux-image-5.15.0-173-genericUpgrade linux-image-5.15.0-173-generic-64kUpgrade linux-image-realtime-6.8.1Upgrade linux-image-5.15.0-1100-oracleUpgrade linux-image-xilinxUpgrade linux-image-5.15.0-1098-intel-iotgUpgrade linux-image-raspi-6.17Upgrade linux-image-raspi-6.8Upgrade linux-image-oem-22.04cUpgrade linux-image-oem-24.04dUpgrade linux-image-oem-20.04cUpgrade linux-image-nvidia-5.15Upgrade linux-image-gkeopUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-gcp-lts-24.04Upgrade linux-image-kvm-5.15Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-generic-64kUpgrade linux-image-intel-iotgUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-aws-64k-lts-22.04Upgrade linux-image-6.8.0-1049-nvidia-lowlatency-64kUpgrade linux-image-5.15.0-1110-azureUpgrade linux-image-realtime-hwe-24.04Upgrade linux-image-oem-6.17Upgrade linux-image-nvidia-tegraUpgrade linux-image-aws-64k-6.8Upgrade linux-image-aws-6.8Upgrade linux-image-6.8.0-106-lowlatencyUpgrade linux-image-gkeop-5.15Upgrade linux-image-azure-fipsUpgrade linux-image-6.8.0-1052-azure-fipsUpgrade linux-image-5.15.0-1103-aws-64kUpgrade linux-image-6.8.0-106-genericUpgrade linux-image-5.15.0-1109-azure-fipsUpgrade linux-image-5.15.0-1098-nvidia-lowlatencyUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-virtual-hwe-22.04Upgrade linux-image-generic-6.8Upgrade linux-image-gcp-64kUpgrade linux-image-oem-24.04cUpgrade linux-image-oem-24.04aUpgrade linux-image-nvidia-tegra-igx-5.15Upgrade linux-image-aws-64kUpgrade linux-image-gcp-6.17Upgrade linux-image-raspi-5.15Upgrade linux-image-oracle-6.8Upgrade linux-image-oracle-5.15Upgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-nvidia-64kUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-intel-iot-realtime-5.15Upgrade linux-image-oem-22.04bUpgrade linux-image-6.8.0-106-generic-64kUpgrade linux-image-6.8.0-1047-oracleUpgrade linux-image-gke-6.8Upgrade linux-image-6.17.0-1010-azureUpgrade linux-image-xilinx-6.8Upgrade linux-image-virtual-hwe-20.04Upgrade linux-image-raspiUpgrade linux-image-5.15.0-1098-nvidiaUpgrade linux-image-aws-6.17Upgrade linux-image-gcpUpgrade linux-image-aws-fips-6.8Upgrade linux-image-5.15.0-1103-aws-fipsUpgrade linux-image-ibm-6.8Upgrade linux-image-6.8.0-2040-raspi-realtimeUpgrade linux-image-6.17.0-1009-awsUpgrade linux-image-oem-22.04dUpgrade linux-image-6.8.0-1052-gcp-64kUpgrade linux-image-6.17.0-1009-oracleUpgrade linux-image-5.15.0-1097-ibmUpgrade linux-image-5.15.0-1067-xilinx-zynqmpUpgrade linux-image-realtime-hwe-22.04Upgrade linux-image-oracle-lts-22.04Upgrade linux-image-generic-64k-6.17Upgrade linux-image-azure-fips-6.8Upgrade linux-image-fips-5.15Upgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-intel-iot-realtimeUpgrade linux-image-intelUpgrade linux-image-gkeUpgrade linux-image-gcp-fips-6.8Upgrade linux-image-fips-6.8Upgrade linux-image-azureUpgrade linux-image-6.8.0-106-lowlatency-64kUpgrade linux-image-5.15.0-1094-intel-iot-realtimeUpgrade linux-image-gcp-64k-6.8Upgrade linux-image-6.17.0-1008-realtimeUpgrade linux-image-generic-hwe-20.04Upgrade linux-image-azure-lts-22.04Upgrade linux-image-6.8.0-1049-nvidia-lowlatency | Mar 17, 2026 | Dec 16, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Dec 16, 2025 |
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