btrfs: clear free space tree creation state on rebuild failure
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.
CVE-2026-98244
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-98244
Linux
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Linux
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "882af9f13e830c0a4ef696bb72cd5998a5067a93",
"lessThan": "a32bedab8ece9d1f90a1476a5b486a1804dc78ba",
"versionType": "git"
},
{
"status": "affected",
"version": "882af9f13e830c0a4ef696bb72cd5998a5067a93",
"lessThan": "b1df2997d0cd2be7bef7b4ab64ccfd1019dedc81",
"versionType": "git"
},
{
"status": "affected",
"version": "882af9f13e830c0a4ef696bb72cd5998a5067a93",
"lessThan": "3565893cc72cdf6b795cf6a33e7ff9605322334d",
"versionType": "git"
}
],
"programFiles": [
"fs/btrfs/free-space-tree.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "6.14"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "6.14",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.18.54",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.2.8",
"versionType": "semver",
"lessThanOrEqual": "7.2.*"
},
{
"status": "unaffected",
"version": "7.3",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"fs/btrfs/free-space-tree.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-98244
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #38324 · Revision 1
- Added to Heist Feed
- Publisher date