CVE-2026-74570 PUBLISHED

ntfs: harden runlist realloc size calculations

Assigner: Linux
Reserved: 15.08.2026 Published: 15.08.2026 Updated: 15.08.2026

In the Linux kernel, the following vulnerability has been resolved:

ntfs: harden runlist realloc size calculations

Add a shared helper to safely convert runlist element counts to byte sizes using overflow checks, and use it in both ntfs_rl_realloc() and ntfs_rl_realloc_nofail().

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from 11ccc9107dc460de28af90fac1f42404d9802735 to 57e7b8bf7b02a0140463fea786e5172cbdf2da2f (excl.)
  • affected from 11ccc9107dc460de28af90fac1f42404d9802735 to 8bed376124ab4505b70083a2b91f2c7ef6d51e24 (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 7.1 is affected
  • unaffected from 0 to 7.1 (excl.)
  • unaffected from 7.1.8 to 7.1.* (incl.)
  • unaffected from 7.2-rc6 to * (incl.)

References