In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Fix out-of-bounds read in dp_get_eq_aux_rd_interval()
[Why & How] The aux_rd_interval array in struct dc_lttpr_caps is declared with MAX_REPEATER_CNT - 1 (7) elements, indexed 0..6. However, the offset parameter passed to dp_get_eq_aux_rd_interval() can be as large as MAX_REPEATER_CNT (8) when a sink reports 8 LTTPR repeaters via DPCD. This leads to an out-of-bounds read of aux_rd_interval[7] when offset is 8.
Fix this by growing aux_rd_interval to MAX_REPEATER_CNT elements to accommodate the full range of valid repeater counts defined by the DP spec.
(cherry picked from commit a55a458a8df37a65ffda5cf721d554a8f74f6b04)
CVSS Details
- CVSS 3.1 Base Score: 7.1
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Ubuntu | — | Upgrade linux-image-7.0.0-1014-azureUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-aws-64k-7.0Upgrade linux-image-oem-26.04bUpgrade linux-image-7.0.0-1011-gcpUpgrade linux-image-aws-7.0Upgrade linux-image-gke-64k-hwe-26.04Upgrade linux-image-gke-hwe-26.04Upgrade linux-image-oracleUpgrade linux-image-realtimeUpgrade linux-image-gkeUpgrade linux-image-realtime-64k-7.0Upgrade linux-image-7.0.0-31-realtimeUpgrade linux-image-raspi-7.0Upgrade linux-image-generic-hwe-26.04Upgrade linux-image-7.0.0-1006-gkeUpgrade linux-image-generic-7.0Upgrade linux-image-virtual-7.0Upgrade linux-image-virtual-hwe-24.04Upgrade linux-image-virtualUpgrade linux-image-raspi-realtime-7.0Upgrade linux-image-oracle-64k-7.0Upgrade linux-image-realtime-64kUpgrade linux-image-realtime-7.0Upgrade linux-image-7.0.0-1011-oracle-64kUpgrade linux-image-7.0.0-1012-aws-64kUpgrade linux-image-7.0.0-1013-ibmUpgrade linux-image-awsUpgrade linux-image-gcp-7.0Upgrade linux-image-gcp-64k-7.0Upgrade linux-image-oem-26.04Upgrade linux-image-7.0.0-31-genericUpgrade linux-image-7.0.0-2018-nvidia-bosUpgrade linux-image-7.0.0-1011-gcp-64kUpgrade linux-image-nvidia-bos-64k-7.0Upgrade linux-image-gke-64k-7.0Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-gcp-64kUpgrade linux-image-gcpUpgrade linux-image-azure-lts-26.04Upgrade linux-image-azureUpgrade linux-image-nvidia-hwe-26.04Upgrade linux-image-generic-64k-hwe-26.04Upgrade linux-image-genericUpgrade linux-image-nvidia-64k-hwe-26.04Upgrade linux-image-nvidia-64k-7.0Upgrade linux-image-nvidia-64kUpgrade linux-image-ibm-7.0Upgrade linux-image-azure-7.0Upgrade linux-image-7.0.0-2018-nvidia-bos-64kUpgrade linux-image-raspiUpgrade linux-image-oracle-7.0Upgrade linux-image-oem-7.0Upgrade linux-image-aws-64kUpgrade linux-image-virtual-hwe-26.04Upgrade linux-image-gke-7.0Upgrade linux-image-7.0.0-1018-nvidia-64kUpgrade linux-image-nvidia-bos-64kUpgrade linux-image-raspi-realtimeUpgrade linux-image-oracle-64kUpgrade linux-image-nvidia-bosUpgrade linux-image-7.0.0-1019-raspi-realtimeUpgrade linux-image-7.0.0-1019-raspiUpgrade linux-image-realtime-64k-hwe-26.04Upgrade linux-image-7.0.0-1018-nvidiaUpgrade linux-image-7.0.0-1012-awsUpgrade linux-image-nvidiaUpgrade linux-image-7.0.0-31-generic-64kUpgrade linux-image-nvidia-bos-7.0Upgrade linux-image-7.0.0-1006-gke-64kUpgrade linux-image-generic-64kUpgrade linux-image-oem-26.04aUpgrade linux-image-nvidia-7.0Upgrade linux-image-ibmUpgrade linux-image-7.0.0-1011-oracleUpgrade linux-image-7.0.0-31-realtime-64kUpgrade linux-image-generic-64k-7.0Upgrade linux-image-7.0.0-1013-oemUpgrade linux-image-realtime-hwe-26.04Upgrade linux-image-gke-64k | Sep 14, 2026 | Sep 7, 2026 |
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