CVE-2026-90131 Linux Kernel ntfs - Race Condition

Linux kernel ntfs subsystem contains a race condition caused by lack of serialization of resident iomap reads with mrec_lock, letting attackers cause data races leading to potential data corruption, exploit requires concurrent link/unlink operations.

CVSS base score 7.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.16% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Race Condition
Impact
Data Tampering, Denial Of Service
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Published
17 September 2026
Updated
15 October 2026

Vendor fix

Update to the latest Linux kernel version containing the fix for ntfs mrec_lock serialization.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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