---
title: "CVE-2026-98315: Linux Kernel ntfs - Race Condition"
description: "Linux kernel ntfs subsystem contains a race condition caused by unprotected runlist updates in ntfs_non_resident_attr_shrink and ntfs_attr_map_cluster functions, letting attackers cause data corruption or volume errors, exploit requires concurrent access to NTFS volume."
url: https://panop.io/threat-heartbeat/CVE-2026-98315/
---

# CVE-2026-98315 Linux Kernel ntfs - Race Condition

Linux kernel ntfs subsystem contains a race condition caused by unprotected runlist updates in ntfs\_non\_resident\_attr\_shrink and ntfs\_attr\_map\_cluster functions, letting attackers cause data corruption or volume errors, exploit requires concurrent access to NTFS volume.

CVSS base score 7.8 /10

High

CISA KEV

Not listed

Public exploit

None known

EPSS

0.13% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-98315)

## Details

Type

Race Condition

Impact

Denial Of Service, Data Tampering

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Published

6 October 2026

Updated

15 October 2026

## Vendor fix

Update to the latest Linux kernel version containing the fix for runlist lock protection.

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

- [https://nvd.nist.gov/vuln/detail/CVE-2026-98315](https://nvd.nist.gov/vuln/detail/CVE-2026-98315)
- [https://git.kernel.org/stable/c/742797432e8c9b0dd54ecc523c185e26b09d79a0](https://git.kernel.org/stable/c/742797432e8c9b0dd54ecc523c185e26b09d79a0)
- [https://git.kernel.org/stable/c/91709ba5d6d709b2b663287b7e871e2c6b480502](https://git.kernel.org/stable/c/91709ba5d6d709b2b663287b7e871e2c6b480502)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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