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In the Linux kernel, the following vulnerability has been resolved:
fs/sysv: Null check to prevent null-ptr-deref bug
sb_getblk(inode->i_sb, parent) return a null ptr and taking lock on that leads to the null-ptr-deref bug.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Dec 31, 2025 | Dec 31, 2025 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Dec 30, 2025 |
| Ubuntu | — | Upgrade linux-nvidiaUpgrade linux-hwe-5.4Upgrade linux-intel-iotgUpgrade linux-gkeopUpgrade linux-hwe-5.15Upgrade linux-oracle-5.15Upgrade linux-azure-5.4Upgrade linux-iotUpgrade linux-nvidia-tegra-igxUpgrade linux-ibmUpgrade linux-azureUpgrade linux-gcp-5.4Upgrade linux-azure-5.15Upgrade linux-oracleUpgrade linux-intel-iotg-5.15Upgrade linux-gcp-fipsUpgrade linux-realtimeUpgrade linux-azure-fde-5.15Upgrade linux-aws-fipsUpgrade linux-gcp-5.15Upgrade linux-xilinx-zynqmpUpgrade linux-kvmUpgrade linux-azure-fipsUpgrade linux-azure-fdeUpgrade linux-aws-5.4Upgrade linux-oracle-5.4Upgrade linux-ibm-5.15Upgrade linux-awsUpgrade linux-nvidia-tegra-5.15Upgrade linux-aws-5.15Upgrade linux-riscv-5.15Upgrade linux-ibm-5.4Upgrade linux-bluefieldUpgrade linux-nvidia-tegraUpgrade linuxUpgrade linux-lowlatency-hwe-5.15Upgrade linux-gcpUpgrade linux-raspiUpgrade linux-raspi-5.4Upgrade linux-fipsUpgrade linux-lowlatencyUpgrade linux-intel-iot-realtimeUpgrade linux-gke | Jan 6, 2026 | Jan 2, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Dec 30, 2025 |
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