In the Linux kernel, the following vulnerability has been resolved:
ext4: fix potential out of bound read in ext4_fc_replay_scan()
For scan loop must ensure that at least EXT4_FC_TAG_BASE_LEN space. If remain space less than EXT4_FC_TAG_BASE_LEN which will lead to out of bound read when mounting corrupt file system image. ADD_RANGE/HEAD/TAIL is needed to add extra check when do journal scan, as this three tags will read data during scan, tag length couldn't less than data length which will read.
CVSS Details
- CVSS 3.1 Base Score: 7.1
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade python-perf-debuginfoUpgrade perf-debuginfoUpgrade kernel-debuginfoUpgrade kernel-develUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-tools-debuginfoUpgrade kernel-headersUpgrade perfUpgrade kernel-tools-develUpgrade bpftool-debuginfoUpgrade kernel-toolsUpgrade python-perfUpgrade bpftoolUpgrade kernel-livepatch-5.15.90-54.138Upgrade kernel-debuginfo-common-x86_64Upgrade kernel | May 20, 2026 | May 20, 2026 |
| Debian | — | Upgrade linux | Sep 17, 2025 | Sep 17, 2025 |
| Huawei Euleros 2_0_sp11 | — | Upgrade kernel-tools-libsUpgrade bpftoolUpgrade kernel-toolsUpgrade kernelUpgrade python3-perfUpgrade kernel-abi-stablelists | Dec 12, 2025 | Dec 11, 2025 |
| Huawei Euleros 2_0_sp12 | — | Upgrade kernel-toolsUpgrade kernel-abi-stablelistsUpgrade kernelUpgrade python3-perfUpgrade bpftoolUpgrade kernel-tools-libs | Jan 15, 2026 | Jan 6, 2026 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernelUpgrade python3-perfUpgrade kernel-toolsUpgrade bpftoolUpgrade kernel-abi-stablelistsUpgrade kernel-tools-libs | Dec 12, 2025 | Dec 11, 2025 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Sep 15, 2025 |
| Ubuntu | — | Upgrade linux-intel-iot-realtimeUpgrade linux-azureUpgrade linux-lowlatency-hwe-5.15Upgrade linux-hwe-5.15Upgrade linux-gcpUpgrade linux-awsUpgrade linux-bluefieldUpgrade linux-realtimeUpgrade linuxUpgrade linux-nvidia-tegra-5.15Upgrade linux-intel-iotgUpgrade linux-oracleUpgrade linux-gkeopUpgrade linux-ibmUpgrade linux-gkeUpgrade linux-nvidiaUpgrade linux-gcp-5.15Upgrade linux-azure-5.15Upgrade linux-lowlatencyUpgrade linux-raspiUpgrade linux-intel-iotg-5.15Upgrade linux-riscv-5.15Upgrade linux-kvmUpgrade linux-azure-fde-5.15Upgrade linux-oracle-5.15Upgrade linux-aws-5.15 | Sep 19, 2025 | Sep 16, 2025 |
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