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In the Linux kernel, the following vulnerability has been resolved:
ext4: always panic when errors=panic is specified
Before commit 014c9caa29d3 ("ext4: make ext4_abort() use __ext4_error()"), the following series of commands would trigger a panic:
1. mount /dev/sda -o ro,errors=panic test 2. mount /dev/sda -o remount,abort test
After commit 014c9caa29d3, remounting a file system using the test mount option "abort" will no longer trigger a panic. This commit will restore the behaviour immediately before commit 014c9caa29d3. (However, note that the Linux kernel's behavior has not been consistent; some previous kernel versions, including 5.4 and 4.19 similarly did not panic after using the mount option "abort".)
This also makes a change to long-standing behaviour; namely, the following series commands will now cause a panic, when previously it did not:
1. mount /dev/sda -o ro,errors=panic test 2. echo test > /sys/fs/ext4/sda/trigger_fs_error
However, this makes ext4's behaviour much more consistent, so this is a good thing.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Huawei Euleros 2_0_sp10 | — | Upgrade python3-perfUpgrade kernelUpgrade kernel-tools-libsUpgrade kernel-toolsUpgrade kernel-abi-stablelists | May 13, 2024 | Feb 27, 2024 |
| Huawei Euleros 2_0_sp8 | — | Upgrade kernelUpgrade kernel-headersUpgrade python-perfUpgrade bpftoolUpgrade kernel-develUpgrade perfUpgrade kernel-tools-libsUpgrade kernel-toolsUpgrade python3-perf | Jul 23, 2024 | Feb 27, 2024 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Feb 27, 2024 |
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