In the Linux kernel, the following vulnerability has been resolved:
drm/amdkfd: Clear VRAM on allocation to prevent stale data exposure
KFD VRAM allocations set AMDGPU_GEM_CREATE_VRAM_WIPE_ON_RELEASE but not AMDGPU_GEM_CREATE_VRAM_CLEARED, leaving freshly allocated VRAM with stale data from prior use observable by compute kernels.
The GEM ioctl path already sets VRAM_CLEARED for all userspace allocations via amdgpu_gem_create_ioctl() and amdgpu_mode_dumb_create(). The KFD path was missing this flag, allowing stale page table remnants to leak into user buffers.
This causes crashes in RCCL P2P transport where non-zero data in ptrExchange/head/tail fields corrupts the protocol handshake.
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 | Aug 4, 2026 | May 28, 2026 |
| Ubuntu | — | Upgrade linux-image-gcp-64kUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-laptop-23.10Upgrade linux-image-oem-22.04cUpgrade linux-image-oem-22.04dUpgrade linux-image-realtime-6.8.1Upgrade linux-image-oem-26.04Upgrade linux-image-realtimeUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-6.8.0-136-genericUpgrade linux-image-virtual-6.8Upgrade linux-image-aws-fips-6.8Upgrade linux-image-aws-64kUpgrade linux-image-generic-6.8Upgrade linux-image-aws-6.8Upgrade linux-image-azure-fdeUpgrade linux-image-oem-24.04aUpgrade linux-image-oem-24.04dUpgrade linux-image-nvidia-tegra-rt-6.8Upgrade linux-image-virtual-hwe-24.04Upgrade linux-image-generic-hwe-26.04Upgrade linux-image-azure-fipsUpgrade linux-image-7.0.0-1016-nvidia-64kUpgrade linux-image-generic-7.0Upgrade linux-image-raspi-6.8Upgrade linux-image-realtime-64kUpgrade linux-image-aws-64k-6.8Upgrade linux-image-realtime-64k-hwe-26.04Upgrade linux-image-oem-7.0Upgrade linux-image-6.8.0-1059-nvidiaUpgrade linux-image-6.8.0-1063-azure-fipsUpgrade linux-image-azureUpgrade linux-image-azure-lts-24.04Upgrade linux-image-kvmUpgrade linux-image-raspiUpgrade linux-image-gcp-64k-7.0Upgrade linux-image-generic-hwe-22.04Upgrade linux-image-gke-64k-7.0Upgrade linux-image-6.8.0-1030-nvidia-tegraUpgrade linux-image-oem-26.04aUpgrade linux-image-raspi-7.0Upgrade linux-image-oem-20.04dUpgrade linux-image-raspi-realtimeUpgrade linux-image-azure-fips-6.8Upgrade linux-image-generic-64k-7.0Upgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-gcpUpgrade linux-image-7.0.0-1003-gkeUpgrade linux-image-6.8.0-1058-oracleUpgrade linux-image-6.8.0-1061-aws-fipsUpgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-awsUpgrade linux-image-gke-64k-6.8Upgrade linux-image-azure-7.0Upgrade linux-image-realtime-64k-7.0Upgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-xilinx-6.8Upgrade linux-image-6.8.0-136-generic-64kUpgrade linux-image-7.0.0-1008-oracleUpgrade linux-image-7.0.0-1014-azureUpgrade linux-image-aws-lts-24.04Upgrade linux-image-nvidia-hwe-26.04Upgrade linux-image-oem-22.04bUpgrade linux-image-nvidia-bos-64k-7.0Upgrade linux-image-6.8.0-1063-azureUpgrade linux-image-nvidia-64k-hwe-26.04Upgrade linux-image-oem-20.04cUpgrade linux-image-oracle-6.8Upgrade linux-image-ibm-lts-24.04Upgrade linux-image-realtime-hwe-22.04Upgrade linux-image-nvidia-bos-64kUpgrade linux-image-intel-iot-realtimeUpgrade linux-image-oracle-64kUpgrade linux-image-xilinxUpgrade linux-image-6.8.0-1059-gke-64kUpgrade linux-image-gke-6.8Upgrade linux-image-nvidia-64kUpgrade linux-image-ibm-6.8Upgrade linux-image-generic-64k-6.8Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-6.8.0-1059-nvidia-lowlatency-64kUpgrade linux-image-ibm-classicUpgrade linux-image-oracle-64k-7.0Upgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-6.8.0-1059-gkeUpgrade linux-image-6.8.0-1061-ibmUpgrade linux-image-fips-6.8Upgrade linux-image-realtime-hwe-26.04Upgrade linux-image-6.8.0-2050-raspi-realtimeUpgrade linux-image-azure-6.8Upgrade linux-image-gcp-lts-24.04Upgrade linux-image-oem-24.04cUpgrade linux-image-7.0.0-1011-gcpUpgrade linux-image-gcp-fips-6.8Upgrade linux-image-7.0.0-1015-raspiUpgrade linux-image-7.0.0-1010-ibmUpgrade linux-image-7.0.0-1010-azureUpgrade linux-image-6.8.0-136-lowlatencyUpgrade linux-image-raspi-realtime-7.0Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-aws-fipsUpgrade linux-image-gcp-64k-6.8Upgrade linux-image-6.8.0-1062-azure-fdeUpgrade linux-image-6.8.0-1061-raspiUpgrade linux-image-lowlatencyUpgrade linux-image-gkeopUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-7.0.0-1015-raspi-realtimeUpgrade linux-image-6.8.0-1046-gkeopUpgrade linux-image-genericUpgrade linux-image-7.0.0-28-realtime-64kUpgrade linux-image-realtime-7.0Upgrade linux-image-oem-24.04bUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-generic-64k-hwe-26.04Upgrade linux-image-7.0.0-28-generic-64kUpgrade linux-image-7.0.0-1009-azure-fdeUpgrade linux-image-6.8.0-1058-oracle-64kUpgrade linux-image-oem-22.04aUpgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-6.8.0-1064-gcp-64kUpgrade linux-image-oem-24.04Upgrade linux-image-oem-20.04bUpgrade linux-image-lowlatency-64kUpgrade linux-image-gcp-7.0Upgrade linux-image-virtual-hwe-26.04Upgrade linux-image-aws-64k-7.0Upgrade linux-image-6.8.0-1064-gcpUpgrade linux-image-oracle-64k-6.8Upgrade linux-image-gcp-6.8Upgrade linux-image-aws-7.0Upgrade linux-image-7.0.0-1009-aws-64kUpgrade linux-image-7.0.0-1008-oracle-64kUpgrade linux-image-7.0.0-1008-gcpUpgrade linux-image-6.8.0-136-fipsUpgrade linux-image-7.0.0-1011-gcp-64kUpgrade linux-image-6.8.1-1056-realtimeUpgrade linux-image-6.8.0-1061-aws-64kUpgrade linux-image-6.8.0-1061-awsUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-oem-20.04Upgrade linux-image-gke-hwe-26.04Upgrade linux-image-6.8.0-1030-nvidia-tegra-rtUpgrade linux-image-azure-fde-7.0Upgrade linux-image-virtual-7.0Upgrade linux-image-generic-64kUpgrade linux-image-7.0.0-28-genericUpgrade linux-image-7.0.0-2016-nvidia-bos-64kUpgrade linux-image-azure-fde-6.8Upgrade linux-image-6.8.0-136-lowlatency-64kUpgrade linux-image-oracleUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-gke-64k-hwe-26.04Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-nvidia-64k-7.0Upgrade linux-image-7.0.0-28-realtimeUpgrade linux-image-7.0.0-1009-oemUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-7.0.0-1008-gcp-64kUpgrade linux-image-6.8.0-1033-xilinxUpgrade linux-image-oracle-7.0Upgrade linux-image-oem-22.04Upgrade linux-image-nvidia-tegra-rtUpgrade linux-image-nvidia-tegraUpgrade linux-image-lowlatency-6.8Upgrade linux-image-gkeop-6.8Upgrade linux-image-gke-64kUpgrade linux-image-7.0.0-1009-awsUpgrade linux-image-gke-7.0Upgrade linux-image-ibm-7.0Upgrade linux-image-gkeUpgrade linux-image-gcp-fipsUpgrade linux-image-7.0.0-2016-nvidia-bosUpgrade linux-image-7.0.0-1016-nvidiaUpgrade linux-image-7.0.0-1003-gke-64kUpgrade linux-image-nvidia-tegra-6.8Upgrade linux-image-nvidia-bos-7.0Upgrade linux-image-nvidia-6.8Upgrade linux-image-intel-iotgUpgrade linux-image-fipsUpgrade linux-image-ibmUpgrade linux-image-nvidia-bosUpgrade linux-image-nvidiaUpgrade linux-image-generic-lpaeUpgrade linux-image-6.8.0-1064-gcp-fipsUpgrade linux-image-nvidia-7.0Upgrade linux-image-raspi-realtime-6.8Upgrade linux-image-6.8.0-1059-nvidia-lowlatencyUpgrade linux-image-6.8.0-1059-nvidia-64kUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-virtual | Jul 20, 2026 | May 28, 2026 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub