CVE-2026-74570

ntfs: harden runlist realloc size calculations

State: Published
Severity: 9.8 Critical
Published: Aug 15, 2026
Updated: Aug 17, 2026
Reserved: Aug 15, 2026

Description

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().

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	Linux

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	11ccc9107dc460de28af90fac1f42404d9802735 to before 57e7b8bf7b02a0140463fea786e5172cbdf2da2fAffected 11ccc9107dc460de28af90fac1f42404d9802735 to before 8bed376124ab4505b70083a2b91f2c7ef6d51e24Affected
LinuxLinux	7.1Affected before 7.1Not affected 7.1.8 through 7.1.*Not affected 7.2 and laterNot affected

References

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