In the Linux kernel, the following vulnerability has been resolved:
udf: Do not bother merging very long extents
When merging very long extents we try to push as much length as possible to the first extent. However this is unnecessarily complicated and not really worth the trouble. Furthermore there was a bug in the logic resulting in corrupting extents in the file as syzbot reproducer shows. So just don't bother with the merging of extents that are too long together.
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-debuginfo-common-x86_64Upgrade python-perf-debuginfoUpgrade kernel-livepatch-4.14.309-231.529Upgrade kernel-debuginfoUpgrade kernel-headersUpgrade bpftool-debuginfoUpgrade perf-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-livepatch-5.15.102-61.139Upgrade bpftoolUpgrade kernel-develUpgrade kernel-livepatch-5.10.173-154.642Upgrade kernel-toolsUpgrade perfUpgrade python-perfUpgrade kernelUpgrade kernel-tools-develUpgrade kernel-debuginfo-common-aarch64 | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade kernel-debuginfo-common-aarch64Upgrade kernel-toolsUpgrade kernel-debuginfo-common-x86_64Upgrade kernelUpgrade bpftoolUpgrade kernel-libbpf-develUpgrade kernel-tools-develUpgrade python3-perf-debuginfoUpgrade kernel-develUpgrade python3-perfUpgrade kernel-libbpf-staticUpgrade kernel-livepatch-6.1.19-30.43Upgrade perf-debuginfoUpgrade kernel-headersUpgrade kernel-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-libbpfUpgrade bpftool-debuginfoUpgrade perf | Oct 16, 2025 | Oct 1, 2025 |
| Debian | — | Upgrade linux | Oct 3, 2025 | Oct 3, 2025 |
| Huawei Euleros 2_0_sp10 | — | Upgrade kernel-tools-libsUpgrade kernelUpgrade python3-perfUpgrade kernel-toolsUpgrade kernel-abi-stablelists | Jan 15, 2026 | Jan 13, 2026 |
| Huawei Euleros 2_0_sp13 | — | Upgrade bpftoolUpgrade kernel-tools-libsUpgrade kernelUpgrade kernel-abi-stablelistsUpgrade python3-perfUpgrade kernel-tools | Dec 12, 2025 | Dec 11, 2025 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Oct 1, 2025 |
| Ubuntu | — | Upgrade linux-ibm-5.4Upgrade linux-gcp-5.4Upgrade linux-aws-fipsUpgrade linux-iotUpgrade linux-lowlatencyUpgrade linux-azure-5.15Upgrade linux-gkeopUpgrade linux-intel-iotgUpgrade linux-nvidiaUpgrade linux-gcp-5.15Upgrade linux-xilinx-zynqmpUpgrade linux-azure-fipsUpgrade linux-riscv-5.15Upgrade linux-kvmUpgrade linux-oracle-5.15Upgrade linux-azure-5.4Upgrade linux-hwe-5.4Upgrade linux-gcp-fipsUpgrade linux-gcpUpgrade linux-fipsUpgrade linux-intel-iot-realtimeUpgrade linuxUpgrade linux-ibmUpgrade linux-intel-iotg-5.15Upgrade linux-oracleUpgrade linux-oracle-5.4Upgrade linux-awsUpgrade linux-aws-5.15Upgrade linux-gkeUpgrade linux-azureUpgrade linux-aws-5.4Upgrade linux-nvidia-tegra-5.15Upgrade linux-nvidia-tegraUpgrade linux-raspi-5.4Upgrade linux-realtimeUpgrade linux-lowlatency-hwe-5.15Upgrade linux-hwe-5.15Upgrade linux-bluefieldUpgrade linux-raspi | Oct 10, 2025 | Oct 1, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 15, 2025 | Oct 1, 2025 |
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