In the Linux kernel, the following vulnerability has been resolved:
erofs: fix order >= MAX_ORDER warning due to crafted negative i_size
As syzbot reported [1], the root cause is that i_size field is a signed type, and negative i_size is also less than EROFS_BLKSIZ. As a consequence, it's handled as fast symlink unexpectedly.
Let's fall back to the generic path to deal with such unusual i_size.
[1] https://lore.kernel.org/r/[email protected]
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Sep 17, 2025 | Sep 17, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernel-tools-libsUpgrade python3-perfUpgrade kernelUpgrade bpftoolUpgrade kernel-abi-stablelistsUpgrade kernel-tools | Dec 12, 2025 | Dec 11, 2025 |
| Redhat_linux | — | No solution existsUpgrade kernel-rtUpgrade kernel | Nov 14, 2025 | Sep 15, 2025 |
| Ubuntu | — | Upgrade linux-nvidia-tegra-5.15Upgrade linux-azure-5.4Upgrade linux-iotUpgrade linux-awsUpgrade linux-gcp-fipsUpgrade linux-intel-iot-realtimeUpgrade linux-realtimeUpgrade linux-lowlatency-hwe-5.15Upgrade linux-hwe-5.4Upgrade linux-gcp-5.4Upgrade linux-raspi-5.4Upgrade linux-gcp-5.15Upgrade linux-gcpUpgrade linux-bluefieldUpgrade linux-azure-fdeUpgrade linux-oracle-5.15Upgrade linux-gkeUpgrade linux-azure-5.15Upgrade linux-aws-5.15Upgrade linux-gkeopUpgrade linux-xilinx-zynqmpUpgrade linux-aws-5.4Upgrade linux-oracle-5.4Upgrade linux-intel-iotgUpgrade linux-ibm-5.4Upgrade linux-raspiUpgrade linux-riscv-5.15Upgrade linux-oracleUpgrade linux-lowlatencyUpgrade linux-fipsUpgrade linux-azure-fipsUpgrade linux-intel-iotg-5.15Upgrade linux-kvmUpgrade linux-aws-fipsUpgrade linux-ibmUpgrade linuxUpgrade linux-hwe-5.15Upgrade linux-azureUpgrade linux-nvidia | Sep 19, 2025 | Sep 16, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 15, 2025 | Sep 15, 2025 |
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