CVE-2026-72200
ntfs: detect mapping-pairs LCN accumulator overflow
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: ntfs: detect mapping-pairs LCN accumulator overflow The NTFS mapping-pairs parser accumulates relative LCN deltas in a signed integer. A corrupted attribute can drive that addition past the representable range. One corrupt runlist shape sets the accumulated LCN to S64_MAX and then adds a delta of 1 in the next mapping-pairs entry. Signed overflow is undefined and can turn an invalid runlist into a different set of physical clusters. Check the LCN addition for overflow before storing the next run.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Aug 15, 2026 |
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Affected Versions
Linux / Linux
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 7fb64788812d137b37f6d8724e1e41c624c1e814 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < ec4f061f2219e0f0c6465d56d0380bf749235a53 0 < 7.1.5
Linux / Linux
All versions affected