---
title: "CVE-2026-98169: Linux Kernel - Out-of-Bounds Read"
description: "Linux kernel contains an out-of-bounds read caused by improper length verification in smb3_enum_snapshots(), letting local attackers leak adjacent kernel memory to userspace, exploit requires crafted short SMB server reply."
url: https://panop.io/threat-heartbeat/CVE-2026-98169/
---

# CVE-2026-98169 Linux Kernel - Out-of-Bounds Read

Linux kernel contains an out-of-bounds read caused by improper length verification in smb3\_enum\_snapshots(), letting local attackers leak adjacent kernel memory to userspace, exploit requires crafted short SMB server reply.

CVSS base score 7.1 /10

High

CISA KEV

Not listed

Public exploit

None known

EPSS

0.43% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-98169)

## Details

Type

Out-of-Bounds Read

Impact

Information Disclosure

CVSS vector

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

Published

6 October 2026

Updated

15 October 2026

## Vendor fix

Update to the latest Linux kernel version containing the fix.

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-2026-98169](https://nvd.nist.gov/vuln/detail/CVE-2026-98169)
- [https://git.kernel.org/stable/c/4775c3b7a597907e0b97556c7986fda238a377ae](https://git.kernel.org/stable/c/4775c3b7a597907e0b97556c7986fda238a377ae)
- [https://git.kernel.org/stable/c/74995ee8305a7c4d76ee70d6acd996a75eda3c03](https://git.kernel.org/stable/c/74995ee8305a7c4d76ee70d6acd996a75eda3c03)
- [https://git.kernel.org/stable/c/dbe452a905dfe2804647530a9ff3d7e3826ed04d](https://git.kernel.org/stable/c/dbe452a905dfe2804647530a9ff3d7e3826ed04d)
- [https://git.kernel.org/stable/c/15a221c734b9d044ab769e7e3606b2cab96fb65a](https://git.kernel.org/stable/c/15a221c734b9d044ab769e7e3606b2cab96fb65a)
- [https://git.kernel.org/stable/c/1cdf0d304d820fb13bf0faf532c3459600f9ea43](https://git.kernel.org/stable/c/1cdf0d304d820fb13bf0faf532c3459600f9ea43)
- [https://git.kernel.org/stable/c/210f0f1f67817e7d2348b86b5115a9b85ef5c98b](https://git.kernel.org/stable/c/210f0f1f67817e7d2348b86b5115a9b85ef5c98b)

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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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