In the Linux kernel, the following vulnerability has been resolved:
ext2: Check block size validity during mount
Check that log of block size stored in the superblock has sensible value. Otherwise the shift computing the block size can overflow leading to undefined behavior.
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 |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernel-headersUpgrade kernel-livepatch-5.10.184-174.730Upgrade python-perf-debuginfoUpgrade bpftool-debuginfoUpgrade kernel-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-develUpgrade perf-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade perfUpgrade kernel-tools-develUpgrade kernel-livepatch-4.14.318-240.529Upgrade python-perfUpgrade kernel-toolsUpgrade bpftoolUpgrade kernel | May 20, 2026 | May 20, 2026 |
| Debian | — | Upgrade linux | Oct 6, 2025 | Oct 6, 2025 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Oct 4, 2025 |
| Ubuntu | — | Upgrade linux-bluefieldUpgrade linux-nvidia-tegra-igxUpgrade linux-gcpUpgrade linux-gcp-5.4Upgrade linux-gcp-fipsUpgrade linux-intel-iot-realtimeUpgrade linux-intel-iotg-5.15Upgrade linux-awsUpgrade linux-iotUpgrade linux-raspi-5.4Upgrade linux-hwe-5.4Upgrade linux-azure-5.4Upgrade linux-ibmUpgrade linux-gcp-5.15Upgrade linux-aws-fipsUpgrade linux-nvidiaUpgrade linux-azure-fdeUpgrade linuxUpgrade linux-gkeUpgrade linux-ibm-5.15Upgrade linux-realtimeUpgrade linux-azureUpgrade linux-azure-fipsUpgrade linux-aws-5.15Upgrade linux-riscv-5.15Upgrade linux-xilinx-zynqmpUpgrade linux-raspiUpgrade linux-aws-5.4Upgrade linux-hwe-5.15Upgrade linux-oracle-5.15Upgrade linux-lowlatency-hwe-5.15Upgrade linux-intel-iotgUpgrade linux-fipsUpgrade linux-gkeopUpgrade linux-lowlatencyUpgrade linux-oracle-5.4Upgrade linux-ibm-5.4Upgrade linux-kvmUpgrade linux-nvidia-tegra-5.15Upgrade linux-oracleUpgrade linux-nvidia-tegraUpgrade linux-azure-5.15 | Oct 10, 2025 | Oct 4, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 15, 2025 | Oct 4, 2025 |
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