f2fs: fix dentry folio leak in find_in_level
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix dentry folio leak in find_in_level find_in_level() gets a dentry folio with f2fs_find_data_folio() before calling find_in_block(). If find_in_block() returns an error, the function stores the error in res_folio and breaks out of the loop without dropping the dentry folio. This leaks the folio reference on the find_in_block() error path. Drop the dentry folio before returning the error to the caller.
CVE-2026-89837
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-2026-89837
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": "7ad08a58bf67594057362e45cbddd3e27e53e557",
"lessThan": "b6c0e77d950bf80ab357e2b4b9667f4389ed417c",
"versionType": "git"
},
{
"status": "affected",
"version": "7ad08a58bf67594057362e45cbddd3e27e53e557",
"lessThan": "af9cc316d31371824de8d409260a2ab9759dd51c",
"versionType": "git"
},
{
"status": "affected",
"version": "7ad08a58bf67594057362e45cbddd3e27e53e557",
"lessThan": "aefb4b0f465b6f95fe02b52d1822a3fb4a9ae922",
"versionType": "git"
},
{
"status": "affected",
"version": "7ad08a58bf67594057362e45cbddd3e27e53e557",
"lessThan": "93a3e6a4c9e726a13a935963e8dc43d181db1527",
"versionType": "git"
},
{
"status": "affected",
"version": "7ad08a58bf67594057362e45cbddd3e27e53e557",
"lessThan": "cca7d3e30bf30333314e31bc70b9a739f1342167",
"versionType": "git"
}
],
"programFiles": [
"fs/f2fs/dir.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "5.11"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "5.11",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.6.160",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.112",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.51",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.2.5",
"versionType": "semver",
"lessThanOrEqual": "7.2.*"
},
{
"status": "unaffected",
"version": "7.3",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"fs/f2fs/dir.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-89837
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #48558 · Revision 1
- Added to Heist Feed
- Publisher date