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In the Linux kernel, the following vulnerability has been resolved:
riscv: process: fix kernel info leakage
thread_struct's s[12] may contain random kernel memory content, which may be finally leaked to userspace. This is a security hole. Fix it by clearing the s[12] array in thread_struct when fork.
As for kthread case, it's better to clear the s[12] array as well.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | May 5, 2025 | May 1, 2025 |
| Ubuntu | — | Upgrade linux-azure-5.4Upgrade linux-gcpUpgrade linux-xilinx-zynqmpUpgrade linux-oracle-5.15Upgrade linux-nvidiaUpgrade linux-azure-5.15Upgrade linux-lowlatency-hwe-5.15Upgrade linux-raspiUpgrade linux-ibmUpgrade linux-gkeUpgrade linux-aws-fipsUpgrade linux-intel-iotg-5.15Upgrade linux-intel-iot-realtimeUpgrade linux-azureUpgrade linux-hweUpgrade linux-azure-fdeUpgrade linux-hwe-5.4Upgrade linux-fipsUpgrade linux-aws-hweUpgrade linux-raspi-5.4Upgrade linux-oracleUpgrade linux-realtimeUpgrade linux-intel-iotgUpgrade linux-kvmUpgrade linux-gcp-5.15Upgrade linux-gcp-fipsUpgrade linux-bluefieldUpgrade linux-hwe-5.15Upgrade linux-aws-5.15Upgrade linux-riscv-5.15Upgrade linux-azure-fipsUpgrade linuxUpgrade linux-gcp-4.15Upgrade linux-nvidia-tegra-5.15Upgrade linux-iotUpgrade linux-aws-5.4Upgrade linux-gkeopUpgrade linux-gcp-5.4Upgrade linux-lowlatencyUpgrade linux-ibm-5.4Upgrade linux-azure-4.15Upgrade linux-awsUpgrade linux-oracle-5.4 | May 6, 2025 | May 1, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | May 1, 2025 |
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