In the Linux kernel, the following vulnerability has been resolved:
RISC-V: KVM: fix stack overrun when loading vlenb
The userspace load can put up to 2048 bits into an xlen bit stack buffer. We want only xlen bits, so check the size beforehand.
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 23, 2026 | Jul 23, 2026 |
| Ubuntu | — | Upgrade linux-image-6.8.0-1047-oracle-64kUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-6.8.0-1050-aws-fipsUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-azure-lts-24.04Upgrade linux-image-generic-64kUpgrade linux-image-6.8.0-1050-aws-64kUpgrade linux-image-gke-6.8Upgrade linux-image-6.8.0-1049-nvidia-lowlatency-64kUpgrade linux-image-oracle-64k-6.8Upgrade linux-image-6.8.0-1049-ibmUpgrade linux-image-6.8.0-106-lowlatencyUpgrade linux-image-oracle-6.8Upgrade linux-image-xilinx-6.8Upgrade linux-image-aws-fipsUpgrade linux-image-generic-64k-6.8Upgrade linux-image-oem-22.04dUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-lowlatency-6.8Upgrade linux-image-oracle-lts-24.04Upgrade linux-image-virtual-6.8Upgrade linux-image-6.8.0-1051-azureUpgrade linux-image-kvmUpgrade linux-image-6.8.0-1052-gcp-fipsUpgrade linux-image-gcp-fipsUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-ibmUpgrade linux-image-aws-fips-6.8Upgrade linux-image-gke-64k-6.8Upgrade linux-image-gcp-64kUpgrade linux-image-aws-lts-24.04Upgrade linux-image-6.8.0-106-lowlatency-64kUpgrade linux-image-6.8.0-2040-raspi-realtimeUpgrade linux-image-lowlatencyUpgrade linux-image-raspi-realtime-6.8Upgrade linux-image-ibm-classicUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-oem-22.04aUpgrade linux-image-lowlatency-64kUpgrade linux-image-6.8.0-1035-gkeopUpgrade linux-image-gke-64kUpgrade linux-image-raspi-6.8Upgrade linux-image-realtime-6.8.1Upgrade linux-image-6.8.0-1052-azure-fipsUpgrade linux-image-fipsUpgrade linux-image-nvidia-6.8Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-azureUpgrade linux-image-6.8.0-106-genericUpgrade linux-image-nvidiaUpgrade linux-image-oem-22.04cUpgrade linux-image-raspiUpgrade linux-image-gkeUpgrade linux-image-gkeop-6.8Upgrade linux-image-generic-6.8Upgrade linux-image-aws-64k-6.8Upgrade linux-image-virtualUpgrade linux-image-azure-6.8Upgrade linux-image-6.8.1-1045-realtimeUpgrade linux-image-6.8.0-1049-nvidia-64kUpgrade linux-image-xilinxUpgrade linux-image-realtime-hwe-22.04Upgrade linux-image-azure-fips-6.8Upgrade linux-image-oem-22.04Upgrade linux-image-6.8.0-1049-nvidia-lowlatencyUpgrade linux-image-6.8.0-1047-oracleUpgrade linux-image-oracleUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-nvidia-64kUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-awsUpgrade linux-image-6.8.0-1050-raspiUpgrade linux-image-gcpUpgrade linux-image-oem-22.04bUpgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-intel-iotgUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-1049-nvidiaUpgrade linux-image-intel-iot-realtimeUpgrade linux-image-gkeopUpgrade linux-image-gcp-64k-6.8Upgrade linux-image-6.8.0-1048-gkeUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-realtimeUpgrade linux-image-ibm-6.8Upgrade linux-image-gcp-fips-6.8Upgrade linux-image-gcp-6.8Upgrade linux-image-aws-64kUpgrade linux-image-6.8.0-1050-awsUpgrade linux-image-fips-6.8Upgrade linux-image-genericUpgrade linux-image-oracle-64kUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-6.8.0-106-generic-64kUpgrade linux-image-6.8.0-106-fipsUpgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-6.8.0-1052-gcp-64kUpgrade linux-image-6.8.0-1052-gcpUpgrade linux-image-raspi-realtimeUpgrade linux-image-generic-lpaeUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-aws-6.8Upgrade linux-image-6.8.0-1029-xilinxUpgrade linux-image-6.8.0-1048-gke-64kUpgrade linux-image-azure-fipsUpgrade linux-image-oracle-64k-lts-24.04 | Mar 17, 2026 | Sep 16, 2025 |
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