ntfs: verify run length exceeding volume boundary

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-89610
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-11 20:19:46 UTC
Updated2026-09-11 20:19:46 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: ntfs: verify run length exceeding volume boundary The mapping pairs decoder validates that the starting LCN is within the volume but does not check if the run extends beyond the volume boundary. A malformed NTFS image with a crafted mapping pairs array could cause the kernel to access memory beyond the volume boundary, potentially leading to memory corruption and privilege escalation. Add validation to ensure lcn + length stays within nr_clusters.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 6e844d4b82434a781b80d02145fd1b17cf90e3c3 git Not specified
CNA Linux Linux affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 fea9e4488f384c0ef1c0e3d96b565127c1b98447 git Not specified
CNA Linux Linux affected 7.2.4 semver Not specified
CNA Linux Linux unaffected 7.2.4 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3-rc1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/fea9e4488f384c0ef1c0e3d96b565127c1b98447 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/6e844d4b82434a781b80d02145fd1b17cf90e3c3 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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