---
title: "CVE-2026-97497: Linux Kernel - Buffer Overflow"
description: "Linux kernel contains a buffer overflow vulnerability caused by missing bounds check on sdma queue id in allocate_sdma_queue, letting attackers cause memory corruption, exploit requires local access."
url: https://panop.io/threat-heartbeat/CVE-2026-97497/
---

# CVE-2026-97497 Linux Kernel - Buffer Overflow

Linux kernel contains a buffer overflow vulnerability caused by missing bounds check on sdma queue id in allocate\_sdma\_queue, letting attackers cause memory corruption, exploit requires local access.

CVSS base score 7.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.13% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-97497)

## Details

Type

Buffer Overflow

Impact

Denial Of Service, Remote Code Execution

CVSS vector

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

Published

24 September 2026

Updated

15 October 2026

## Vendor fix

Update to the latest Linux kernel version with the fix for allocate\_sdma\_queue bounds checking.

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-2026-97497](https://nvd.nist.gov/vuln/detail/CVE-2026-97497)
- [https://git.kernel.org/stable/c/dd2870ca036e1d51baa59f942007b36a595b5890](https://git.kernel.org/stable/c/dd2870ca036e1d51baa59f942007b36a595b5890)
- [https://git.kernel.org/stable/c/25e1b29ecc8da3609ba0072ca54a3b1fdd1578f3](https://git.kernel.org/stable/c/25e1b29ecc8da3609ba0072ca54a3b1fdd1578f3)
- [https://git.kernel.org/stable/c/41460d2dd0246f0ab7e80b103d34c8649e022999](https://git.kernel.org/stable/c/41460d2dd0246f0ab7e80b103d34c8649e022999)
- [https://git.kernel.org/stable/c/42f2bd50236b61ad0aeb2c233c990ee0d615fdad](https://git.kernel.org/stable/c/42f2bd50236b61ad0aeb2c233c990ee0d615fdad)
- [https://git.kernel.org/stable/c/bfe9a7545b2a7be1c543f1741e16f2d5ec4116ae](https://git.kernel.org/stable/c/bfe9a7545b2a7be1c543f1741e16f2d5ec4116ae)

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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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