cachefiles: Fix error return when vfs_mkdir() fails
In the Linux kernel, the following vulnerability has been resolved: cachefiles: Fix error return when vfs_mkdir() fails When vfs_mkdir() fails, the error code is not extracted from the returned error pointer. This causes mkdir_error to be reached with ret=0, which leads to returning ERR_PTR(0) (NULL) instead of a proper error pointer. Fix this by extracting the error code from the error pointer when vfs_mkdir() fails.
CVE-2026-64040
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-2026-64040
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": "406fad7698f5bf21ab6b5ca195bf4b9e0b3990ed",
"lessThan": "86f4c1586418d50203ee8d76cba5d7b148719a32",
"versionType": "git"
},
{
"status": "affected",
"version": "406fad7698f5bf21ab6b5ca195bf4b9e0b3990ed",
"lessThan": "0940108d27c6995e02819ff832be11892f0b208b",
"versionType": "git"
},
{
"status": "affected",
"version": "406fad7698f5bf21ab6b5ca195bf4b9e0b3990ed",
"lessThan": "8a220d1c312c66194f4a33dd52d1fba42bc2b341",
"versionType": "git"
}
],
"programFiles": [
"fs/cachefiles/namei.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "6.15"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "6.15",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.18.57",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.0.11",
"versionType": "semver",
"lessThanOrEqual": "7.0.*"
},
{
"status": "unaffected",
"version": "7.1",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"fs/cachefiles/namei.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-64040
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #28618 · Revision 1
- Added to Heist Feed
- Publisher date