btrfs: do not free data reservation in fallback from inline due to -ENOSPC
In the Linux kernel, the following vulnerability has been resolved: btrfs: do not free data reservation in fallback from inline due to -ENOSPC If we fail to create an inline extent due to -ENOSPC, we will attempt to go through the normal COW path, reserve an extent, create an ordered extent, etc. However we were always freeing the reserved qgroup data, which is wrong since we will use data. Fix this by freeing the reserved qgroup data in __cow_file_range_inline() only if we are not doing the fallback (ret is <= 0).
CVE-2025-71269
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-2025-71269
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": "94ed938aba557aa798acf496f09afb289b619fcd",
"lessThan": "3edd1f6c7c520536b62b2904807033597554dbac",
"versionType": "git"
},
{
"status": "affected",
"version": "94ed938aba557aa798acf496f09afb289b619fcd",
"lessThan": "3a9fd45afadec1fbfec72057b9473d509fa8b68c",
"versionType": "git"
},
{
"status": "affected",
"version": "94ed938aba557aa798acf496f09afb289b619fcd",
"lessThan": "0a1fbbd780f04d1b6cf48dd327c866ba937de1c4",
"versionType": "git"
},
{
"status": "affected",
"version": "94ed938aba557aa798acf496f09afb289b619fcd",
"lessThan": "6de3a371a8b9fd095198b1aa68c22cc10a4c6961",
"versionType": "git"
},
{
"status": "affected",
"version": "94ed938aba557aa798acf496f09afb289b619fcd",
"lessThan": "f8da41de0bff9eb1d774a7253da0c9f637c4470a",
"versionType": "git"
}
],
"programFiles": [
"fs/btrfs/inode.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "4.4"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "4.4",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.1.168",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.134",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.81",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.10",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "6.19",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"fs/btrfs/inode.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2025-71269
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #39677 · Revision 1
- Added to Heist Feed
- Publisher date