In the Linux kernel, the following vulnerability has been resolved:
drm/i915/dsi: Don't do DSC horizontal timing adjustments in command mode
Stop adjusting the horizontal timing values based on the compression ratio in command mode. Bspec seems to be telling us to do this only in video mode, and this is also how the Windows driver does things.
This should also fix a div-by-zero on some machines because the adjusted htotal ends up being so small that we end up with line_time_us==0 when trying to determine the vtotal value in command mode.
Note that this doesn't actually make the display on the Huawei Matebook E work, but at least the kernel no longer explodes when the driver loads.
(cherry picked from commit 0b475e91ecc2313207196c6d7fd5c53e1a878525)
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 linux | Jul 23, 2026 | Jul 23, 2026 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | May 1, 2026 |
| Ubuntu | — | Upgrade linux-image-6.8.0-1058-oracleUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-virtual-6.8Upgrade linux-image-azureUpgrade linux-image-6.8.0-1030-nvidia-tegra-rtUpgrade linux-image-xilinx-6.8Upgrade linux-image-6.8.0-1059-nvidia-64kUpgrade linux-image-gkeop-6.8Upgrade linux-image-ibmUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-generic-64kUpgrade linux-image-ibm-6.8Upgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-ibm-classicUpgrade linux-image-oem-22.04bUpgrade linux-image-6.8.0-1061-aws-fipsUpgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-nvidia-tegra-rtUpgrade linux-image-oem-22.04cUpgrade linux-image-raspiUpgrade linux-image-6.8.0-1059-nvidia-lowlatency-64kUpgrade linux-image-azure-lts-24.04Upgrade linux-image-gcp-fips-6.8Upgrade linux-image-gkeopUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-aws-64k-6.8Upgrade linux-image-lowlatency-64kUpgrade linux-image-6.8.0-1046-gkeopUpgrade linux-image-lowlatencyUpgrade linux-image-6.8.0-1061-aws-64kUpgrade linux-image-oem-22.04Upgrade linux-image-raspi-6.8Upgrade linux-image-raspi-realtime-6.8Upgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-azure-fdeUpgrade linux-image-genericUpgrade linux-image-fips-6.8Upgrade linux-image-generic-64k-6.8Upgrade linux-image-6.8.0-1030-nvidia-tegraUpgrade linux-image-6.8.0-1058-oracle-64kUpgrade linux-image-kvmUpgrade linux-image-gke-6.8Upgrade linux-image-nvidiaUpgrade linux-image-lowlatency-6.8Upgrade linux-image-oem-22.04aUpgrade linux-image-azure-fipsUpgrade linux-image-gcp-fipsUpgrade linux-image-oracle-64k-6.8Upgrade linux-image-realtime-6.8.1Upgrade linux-image-6.8.0-1062-azure-fdeUpgrade linux-image-oem-20.04dUpgrade linux-image-gke-64kUpgrade linux-image-oem-20.04cUpgrade linux-image-6.8.0-1063-azureUpgrade linux-image-6.8.0-1061-ibmUpgrade linux-image-6.8.0-1061-raspiUpgrade linux-image-oracle-6.8Upgrade linux-image-aws-fipsUpgrade linux-image-aws-6.8Upgrade linux-image-generic-6.8Upgrade linux-image-generic-hwe-22.04Upgrade linux-image-generic-lpaeUpgrade linux-image-6.8.0-1059-gke-64kUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-oem-20.04bUpgrade linux-image-6.8.0-1063-azure-fipsUpgrade linux-image-gcp-64kUpgrade linux-image-gke-64k-6.8Upgrade linux-image-nvidia-tegraUpgrade linux-image-6.8.0-1064-gcp-fipsUpgrade linux-image-6.8.0-1061-awsUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-6.8.0-1064-gcp-64kUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-aws-fips-6.8Upgrade linux-image-6.8.1-1056-realtimeUpgrade linux-image-6.8.0-1033-xilinxUpgrade linux-image-nvidia-tegra-6.8Upgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-136-fipsUpgrade linux-image-oracle-64kUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-gkeUpgrade linux-image-gcp-64k-6.8Upgrade linux-image-azure-6.8Upgrade linux-image-realtime-hwe-22.04Upgrade linux-image-oem-20.04Upgrade linux-image-gcpUpgrade linux-image-intel-iotgUpgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-laptop-23.10Upgrade linux-image-oem-22.04dUpgrade linux-image-nvidia-64kUpgrade linux-image-6.8.0-136-lowlatencyUpgrade linux-image-aws-64kUpgrade linux-image-azure-fde-6.8Upgrade linux-image-6.8.0-1064-gcpUpgrade linux-image-6.8.0-1059-nvidiaUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-gcp-6.8Upgrade linux-image-6.8.0-136-genericUpgrade linux-image-xilinxUpgrade linux-image-awsUpgrade linux-image-6.8.0-2050-raspi-realtimeUpgrade linux-image-realtimeUpgrade linux-image-oracleUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-6.8.0-1059-nvidia-lowlatencyUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-nvidia-6.8Upgrade linux-image-aws-lts-24.04Upgrade linux-image-6.8.0-136-generic-64kUpgrade linux-image-6.8.0-1059-gkeUpgrade linux-image-virtualUpgrade linux-image-6.8.0-136-lowlatency-64kUpgrade linux-image-nvidia-tegra-rt-6.8Upgrade linux-image-intel-iot-realtimeUpgrade linux-image-raspi-realtimeUpgrade linux-image-fipsUpgrade linux-image-azure-fips-6.8 | May 25, 2026 | May 1, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jul 10, 2026 | May 1, 2026 |
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