In the Linux kernel, the following vulnerability has been resolved:
drm/xe/ct: prevent UAF in send_recv()
Ensure we serialize with completion side to prevent UAF with fence going out of scope on the stack, since we have no clue if it will fire after the timeout before we can erase from the xa. Also we have some dependent loads and stores for which we need the correct ordering, and we lack the needed barriers. Fix this by grabbing the ct->lock after the wait, which is also held by the completion side.
v2 (Badal): - Also print done after acquiring the lock and seeing timeout.
(cherry picked from commit 52789ce35c55ccd30c4b67b9cc5b2af55e0122ea)
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 27, 2026 | Jul 27, 2026 |
| Ubuntu | — | Upgrade linux-image-6.8.0-1014-azure-nvidiaUpgrade linux-image-gkeUpgrade linux-image-realtimeUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-oem-24.04aUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-6.8.0-56-generic-64kUpgrade linux-image-6.8.0-1026-gcp-64kUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-6.8.0-1022-ibmUpgrade linux-image-6.8.1-1018-realtimeUpgrade linux-image-oem-22.04dUpgrade linux-image-6.8.0-1028-raspiUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-6.8.0-1027-awsUpgrade linux-image-6.11.0-1010-lowlatency-64kUpgrade linux-image-6.11.0-1009-gcpUpgrade linux-image-6.8.0-1024-nvidia-lowlatencyUpgrade linux-image-6.8.0-57-genericUpgrade linux-image-awsUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-6.8.0-1021-gkeUpgrade linux-image-virtualUpgrade linux-image-kvmUpgrade linux-image-6.8.0-56-lowlatency-64kUpgrade linux-image-oracle-64kUpgrade linux-image-aws-lts-24.04Upgrade linux-image-6.8.0-57-generic-64kUpgrade linux-image-nvidia-64kUpgrade linux-image-6.8.0-56-lowlatencyUpgrade linux-image-nvidia-6.8Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-oracleUpgrade linux-image-oem-22.04bUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-ibm-lts-24.04Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-gcp-64kUpgrade linux-image-oem-24.04Upgrade linux-image-6.8.0-1025-azureUpgrade linux-image-6.8.0-1024-nvidia-64kUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-oem-24.04bUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-ibm-classicUpgrade linux-image-realtime-hwe-24.04Upgrade linux-image-azure-fdeUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-6.8.0-1025-awsUpgrade linux-image-6.11.0-1009-azure-fdeUpgrade linux-image-oem-22.04Upgrade linux-image-gkeopUpgrade linux-image-oem-22.04aUpgrade linux-image-6.11.0-1011-oracleUpgrade linux-image-raspi-realtimeUpgrade linux-image-6.11.0-1009-azureUpgrade linux-image-lowlatency-64kUpgrade linux-image-6.11.0-1015-oemUpgrade linux-image-6.8.0-1024-nvidia-lowlatency-64kUpgrade linux-image-azure-nvidiaUpgrade linux-image-azureUpgrade linux-image-6.11.0-1010-lowlatencyUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-virtual-hwe-22.04Upgrade linux-image-raspiUpgrade linux-image-gkeop-6.8Upgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-generic-64kUpgrade linux-image-6.8.0-1024-nvidiaUpgrade linux-image-6.8.0-2023-raspi-realtimeUpgrade linux-image-oem-22.04cUpgrade linux-image-6.8.0-56-genericUpgrade linux-image-6.8.0-1022-oracleUpgrade linux-image-6.11.0-1005-realtimeUpgrade linux-image-gcpUpgrade linux-image-nvidiaUpgrade linux-image-6.11.0-18-genericUpgrade linux-image-6.8.0-1022-oracle-64kUpgrade linux-image-6.11.0-1008-raspiUpgrade linux-image-6.8.0-1024-oemUpgrade linux-image-6.11.0-1009-awsUpgrade linux-image-generic-lpaeUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-ibmUpgrade linux-image-6.11.0-1011-oracle-64kUpgrade linux-image-lowlatencyUpgrade linux-image-6.8.0-1025-azure-fdeUpgrade linux-image-6.8.0-1008-gkeopUpgrade linux-image-genericUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-azure-lts-24.04Upgrade linux-image-6.11.0-18-generic-64kUpgrade linux-image-6.8.0-1026-gcp | Feb 20, 2025 | Oct 21, 2024 |
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