DEBIAN-CVE-2026-31455
Record from OSV · Published April 22, 2026
In the Linux kernel, the following vulnerability has been resolved: xfs: stop reclaim before pushing AIL during unmount The unmount sequence in xfs_unmount_flush_inodes() pushed the AIL while background reclaim and inodegc are still running. This is broken independently of any use-after-free issues - background reclaim and inodegc should not be running while the AIL is being pushed during unmount, as inodegc can dirty and insert inodes into the AIL during the flush, and background reclaim can race to abort and free dirty inodes. Reorder xfs_unmount_flush_inodes() to stop inodegc and cancel background reclaim before pushing the AIL. Stop inodegc before cancelling m_reclaim_work because the inodegc worker can re-queue m_reclaim_work via xfs_inodegc_set_reclaimable.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| linux | Debian:12 | 6.1.170-1 |
| linux | Debian:13 | 6.12.85-1 |
| linux | Debian:14 | 6.19.11-1 |
Risk scores
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Debian:12 | linux | 0, 6.1.106-1, 6.1.106-2 |
| Debian:13 | linux | 0, 6.12.38-1, 6.12.41-1 |
| Debian:14 | linux | 6.16.3-1, 6.16.3-1~bpo13+1, 6.16.5-1 |
Timeline
- Apr 22, 2026 CVE Published
- Oct 1, 2026 CVE Updated
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