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CVE-2026-72200

9.8 critical Published
NVD · CVE.org

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.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 3

  1. StatusReceived → PublishedNVD modified 2026-10-21 12:44
  2. StatusPublished → ReceivedNVD modified 2026-10-21 13:19
  3. First seenCVSS 9.8 · linuxNVD modified 2026-10-21 12:44

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 4