CVE-2026-98140
N/A
N/A
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 115380f9a2f9675c7924563cbba70d40cae8fb81 < 5d7f7bf8fba8cf563b42b44aa4ab3d9928ac480c | affected |
| Linux | Linux | 115380f9a2f9675c7924563cbba70d40cae8fb81 < cf06dcd572845723821b54a608fc2da995c3c8e2 | affected |
| Linux | Linux | 7.1 | affected |
| Linux | Linux | 0 < 7.1 | unaffected |
| Linux | Linux | 7.2.7 <= 7.2.* | unaffected |
| Linux | Linux | 7.3-rc2 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/5d7f7bf8fba8cf563b42b44aa4ab3d9928ac480c
- https://git.kernel.org/stable/c/cf06dcd572845723821b54a608fc2da995c3c8e2
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