ntfs: fix kmap_local leak in write_mft_record_nolock() error paths
In the Linux kernel, the following vulnerability has been resolved: ntfs: fix kmap_local leak in write_mft_record_nolock() error paths write_mft_record_nolock() maps the MFT record folio with kmap_local_folio(), but the pre_write_mst_fixup() and bio_add_folio() failure paths jump to the error label without unmapping it. kmap_local mappings are stack-ordered per task, so leaking one corrupts the nesting for any outer mapping. Unmap the folio on those error paths too.
CVE-2026-98140
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-2026-98140
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": "115380f9a2f9675c7924563cbba70d40cae8fb81",
"lessThan": "5d7f7bf8fba8cf563b42b44aa4ab3d9928ac480c",
"versionType": "git"
},
{
"status": "affected",
"version": "115380f9a2f9675c7924563cbba70d40cae8fb81",
"lessThan": "cf06dcd572845723821b54a608fc2da995c3c8e2",
"versionType": "git"
}
],
"programFiles": [
"fs/ntfs/mft.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "7.1"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "7.1",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "7.2.7",
"versionType": "semver",
"lessThanOrEqual": "7.2.*"
},
{
"status": "unaffected",
"version": "7.3",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"fs/ntfs/mft.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-98140
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #38233 · Revision 1
- Added to Heist Feed
- Publisher date