Riskcovery

CVE-2026-98244

btrfs: clear free space tree creation state on rebuild failure

State
Published
Severity
Not scored
Published
Oct 6, 2026
Updated
Oct 19, 2026
Reserved
Sep 25, 2026

Read the record on cve.org

Description

In the Linux kernel, the following vulnerability has been resolved:

btrfs: clear free space tree creation state on rebuild failure

btrfs_rebuild_free_space_tree() sets BTRFS_FS_CREATING_FREE_SPACE_TREE before rebuilding the free space tree. Several error paths return without clearing this flag.

The transaction restart failure path can leave the flag set on a live filesystem, causing delayed reference processing to be skipped. Clear it on all free space tree rebuild failure paths. Keep BTRFS_FS_FREE_SPACE_TREE_UNTRUSTED set, since a failed rebuild leaves the free space tree untrusted. Callers must fall back to extent-tree caching.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 882af9f13e830c0a4ef696bb72cd5998a5067a93 to before a32bedab8ece9d1f90a1476a5b486a1804dc78baAffected
  • 882af9f13e830c0a4ef696bb72cd5998a5067a93 to before b1df2997d0cd2be7bef7b4ab64ccfd1019dedc81Affected
  • 882af9f13e830c0a4ef696bb72cd5998a5067a93 to before 3565893cc72cdf6b795cf6a33e7ff9605322334dAffected
LinuxLinux
  • 6.14Affected
  • before 6.14Not affected
  • 6.18.54 through 6.18.*Not affected
  • 7.2.8 through 7.2.*Not affected
  • 7.3 and laterNot affected

References

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