Description
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.
References
- www.cve.org/CVERecord ↗
- nvd.nist.gov/vuln/detail/CVE-2026-72200 ↗
- git.kernel.org/stable/c/6626fb859f4c4772f2f59751d23937716e03f98f ↗
- git.kernel.org/stable/c/7fb64788812d137b37f6d8724e1e41c624c1e814 ↗
- git.kernel.org/stable/c/7ffa8f3d30236e0ab897c30bdb01224ff1fe1c89 ↗
- git.kernel.org/stable/c/b06b4fc2138ded8ee0b3dc602991ff6dbb10dd0a ↗
- git.kernel.org/stable/c/ec4f061f2219e0f0c6465d56d0380bf749235a53 ↗
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This product uses the NVD API but is not endorsed or certified by the NVD. CVSS scores do not establish exploitation.