In the Linux kernel, the following vulnerability has been resolved:
md: fix soft lockup in status_resync
status_resync() will calculate 'curr_resync - recovery_active' to show user a progress bar like following:
[============>........] resync = 61.4%
'curr_resync' and 'recovery_active' is updated in md_do_sync(), and status_resync() can read them concurrently, hence it's possible that 'curr_resync - recovery_active' can overflow to a huge number. In this case status_resync() will be stuck in the loop to print a large amount of '=', which will end up soft lockup.
Fix the problem by setting 'resync' to MD_RESYNC_ACTIVE in this case, this way resync in progress will be reported to user.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux_2023 | — | Upgrade kernel-debuginfo-common-aarch64Upgrade perf-debuginfoUpgrade bpftoolUpgrade perfUpgrade kernel-develUpgrade bpftool-debuginfoUpgrade kernel-toolsUpgrade python3-perf-debuginfoUpgrade kernel-tools-develUpgrade python3-perfUpgrade kernel-libbpf-staticUpgrade kernel-livepatch-6.1.34-56.100Upgrade kernelUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-headersUpgrade kernel-libbpf-develUpgrade kernel-tools-debuginfoUpgrade kernel-libbpfUpgrade kernel-debuginfo | Oct 24, 2025 | Oct 7, 2025 |
| Debian | — | Upgrade linux | Oct 9, 2025 | Oct 9, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade python3-perfUpgrade bpftoolUpgrade kernelUpgrade kernel-toolsUpgrade kernel-tools-libsUpgrade kernel-abi-stablelists | Feb 3, 2026 | Feb 2, 2026 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Oct 7, 2025 |
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