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 python-perf-debuginfoUpgrade bpftool-debuginfoUpgrade kernel-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-develUpgrade kernel-livepatch-5.10.184-174.730Upgrade kernel-headersUpgrade perf-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-tools-develUpgrade perfUpgrade kernel-livepatch-4.14.318-240.529Upgrade bpftoolUpgrade kernel-toolsUpgrade python-perfUpgrade 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-nvidiaUpgrade linux-azure-5.15Upgrade linux-riscv-5.15Upgrade linux-oracle-5.15Upgrade linux-ibm-5.4Upgrade linux-aws-5.4Upgrade linuxUpgrade linux-raspiUpgrade linux-aws-5.15Upgrade linux-xilinx-zynqmpUpgrade linux-kvmUpgrade linux-gkeopUpgrade linux-lowlatencyUpgrade linux-oracle-5.4Upgrade linux-azure-fipsUpgrade linux-fipsUpgrade linux-oracleUpgrade linux-hwe-5.15Upgrade linux-ibm-5.15Upgrade linux-intel-iotgUpgrade linux-azureUpgrade linux-nvidia-tegra-5.15Upgrade linux-gkeUpgrade linux-lowlatency-hwe-5.15Upgrade linux-realtimeUpgrade linux-nvidia-tegraUpgrade linux-hwe-5.4Upgrade linux-iotUpgrade linux-intel-iot-realtimeUpgrade linux-nvidia-tegra-igxUpgrade linux-raspi-5.4Upgrade linux-intel-iotg-5.15Upgrade linux-bluefieldUpgrade linux-gcpUpgrade linux-aws-fipsUpgrade linux-gcp-5.4Upgrade linux-awsUpgrade linux-ibmUpgrade linux-gcp-fipsUpgrade linux-gcp-5.15Upgrade linux-azure-5.4 | 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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