| Name | CVE-2026-97551 |
| Description | In the Linux kernel, the following vulnerability has been resolved: xfs: initialise args->total for parent pointer updates xfs_parent_da_args_init() builds an xfs_da_args from a zeroed xfs_parent_args (kmem_cache_zalloc), leaving args->total == 0. xfs_da_grow_inode_int() treats that field as a running block reservation and subtracts from it; because it is an xfs_extlen_t (uint32_t), the first attr-fork growth wraps it to ~0U. That defeats the free-space check in xfs_alloc_space_available(), and when it coincides with an AG that has exactly zero available blocks the allocation is clamped to maxlen 0 and returns -ENOSPC, which xfs_defer_finish_noroll() escalates to a filesystem shutdown. Set args->total the way the log recovery path does (xfs_attri_recover_work(), xfs_attr_item.c:706), in the add and replace paths that can grow the fork. Removals and lookups never grow it, so they leave the field alone, matching that switch. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-4817-1, DSA-6528-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| linux (PTS) | bookworm | 6.1.176-1 | fixed |
| bookworm (security) | 6.1.187-1 | fixed | |
| trixie | 6.12.107-1 | vulnerable | |
| trixie (security) | 6.12.113-1 | fixed | |
| forky | 7.2.9-1 | fixed | |
| sid | 7.2.11-1 | fixed | |
| linux-6.12 (PTS) | bookworm (security) | 6.12.111-1~deb12u1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| linux | source | bookworm | (not affected) | |||
| linux | source | trixie | 6.12.111-1 | DSA-6528-1 | ||
| linux | source | (unstable) | 7.2.7-1 | |||
| linux-6.12 | source | bookworm | 6.12.111-1~deb12u1 | DLA-4817-1 |
[bookworm] - linux <not-affected> (Vulnerable code not present)
https://git.kernel.org/linus/8e4ebb6afaa34bd2e8ce52da231003d24111c2d6 (7.3-rc3)