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In the Linux kernel, the following vulnerability has been resolved:
drm/i915/mst: limit DP MST ESI service loop
The loop in intel_dp_check_mst_status() keeps servicing interrupts originating from the sink without bound. Add an upper bound to the new interrupts occurring during interrupt processing to not get stuck on potentially stuck sink devices. Use arbitrary 32 tries to clear incoming interrupts in one go.
Discovered using AI-assisted static analysis confirmed by Intel Product Security.
Note: The condition likely pre-dates the commit in the Fixes: tag, but this is about as far back as a backport has any chance of succeeding. Before that, the retry had a goto.
(cherry picked from commit b4ea5272133059acb493cc36599071a9e852ec2e)
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux_2023 | — | Upgrade kernel6.18-debuginfo-common-x86_64Upgrade kernel6.18-tools-develUpgrade kernel6.18-develUpgrade perf6.18-debuginfoUpgrade kernel6.18-headersUpgrade python3-perf6.18-debuginfoUpgrade python3-perf6.18Upgrade kernel6.18-debuginfoUpgrade bpftool6.18-debuginfoUpgrade kernel6.18-tools-debuginfoUpgrade kernel6.18-debuginfo-common-aarch64Upgrade kernel6.18-modules-extra-commonUpgrade kernel6.18Upgrade kernel-livepatch-6.18.44-99.149Upgrade perf6.18Upgrade kernel6.18-modules-extraUpgrade microvm-kernel6.18Upgrade kernel6.18-toolsUpgrade bpftool6.18 | Sep 30, 2026 | Aug 10, 2026 |
| Redhat_linux | — | No solution exists | Aug 13, 2026 | Aug 10, 2026 |
| Ubuntu | — | Upgrade linux-image-virtual-7.0Upgrade linux-image-oem-26.04aUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-7.0.0-38-genericUpgrade linux-image-7.0.0-1008-gkeUpgrade linux-image-generic-hwe-26.04Upgrade linux-image-oem-26.04Upgrade linux-image-realtimeUpgrade linux-image-oracle-7.0Upgrade linux-image-7.0.0-1014-awsUpgrade linux-image-gcp-64k-7.0Upgrade linux-image-gke-64k-7.0Upgrade linux-image-azure-fdeUpgrade linux-image-gcp-7.0Upgrade linux-image-realtime-64k-7.0Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-generic-7.0Upgrade linux-image-realtime-64kUpgrade linux-image-gke-64kUpgrade linux-image-gke-hwe-26.04Upgrade linux-image-gcp-64kUpgrade linux-image-virtual-hwe-26.04Upgrade linux-image-azure-7.0Upgrade linux-image-oracleUpgrade linux-image-awsUpgrade linux-image-7.0.0-1016-azure-fdeUpgrade linux-image-7.0.0-1017-azureUpgrade linux-image-realtime-7.0Upgrade linux-image-virtual-hwe-24.04Upgrade linux-image-aws-64kUpgrade linux-image-oracle-64k-7.0Upgrade linux-image-generic-64kUpgrade linux-image-genericUpgrade linux-image-azure-fde-7.0Upgrade linux-image-gke-64k-hwe-26.04Upgrade linux-image-azure-lts-26.04Upgrade linux-image-azureUpgrade linux-image-7.0.0-38-generic-64kUpgrade linux-image-aws-7.0Upgrade linux-image-7.0.0-1014-gcpUpgrade linux-image-7.0.0-1014-aws-64kUpgrade linux-image-7.0.0-1013-oracleUpgrade linux-image-oem-7.0Upgrade linux-image-7.0.0-1015-oemUpgrade linux-image-azure-fde-lts-26.04Upgrade linux-image-generic-64k-7.0Upgrade linux-image-ibmUpgrade linux-image-generic-64k-hwe-26.04Upgrade linux-image-ibm-7.0Upgrade linux-image-aws-64k-7.0Upgrade linux-image-7.0.0-38-realtime-64kUpgrade linux-image-virtualUpgrade linux-image-7.0.0-1015-ibmUpgrade linux-image-7.0.0-1014-gcp-64kUpgrade linux-image-realtime-64k-hwe-26.04Upgrade linux-image-gkeUpgrade linux-image-realtime-hwe-26.04Upgrade linux-image-gke-7.0Upgrade linux-image-oracle-64kUpgrade linux-image-7.0.0-38-realtimeUpgrade linux-image-7.0.0-1013-oracle-64kUpgrade linux-image-7.0.0-1008-gke-64kUpgrade linux-image-gcp | Oct 7, 2026 | Oct 6, 2026 |
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