Intel Ethernet 800 up to 2.3.13 Linux Kernel Driver use after free

Summaryinfo

A vulnerability identified as critical has been detected in Intel Ethernet 800 up to 2.3.13. This affects an unknown function of the component Linux Kernel Driver. This manipulation causes use after free. This vulnerability is registered as CVE-2025-27723. The attack needs to be launched locally. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Intel Ethernet 800 up to 2.3.13. It has been declared as critical. Affected by this vulnerability is some unknown functionality of the component Linux Kernel Driver. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect availability. The summary by CVE is:

Use after free for some Linux kernel driver for the Intel(R) Ethernet 800 series before version 2.3.14 within Ring 0: Kernel may allow a denial of service. Unprivileged software adversary with an authenticated user combined with a low complexity attack may enable denial of service. This result may potentially occur via local access when attack requirements are present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (none), integrity (none) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (high) impacts.

The advisory is shared at intel.com. This vulnerability is known as CVE-2025-27723 since 04/15/2025. The exploitation appears to be easy. An attack has to be approached locally. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/03/2026).

Upgrading to version 2.3.14 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-2189). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

• Dell PowerProtect Data Domain

Productinfo

Vendor

• Intel

Name

• Ethernet 800

Version

• 2.3.0
• 2.3.1
• 2.3.2
• 2.3.3
• 2.3.4
• 2.3.5
• 2.3.6
• 2.3.7
• 2.3.8
• 2.3.9
• 2.3.10
• 2.3.11
• 2.3.12
• 2.3.13

License

• commercial

Website

• Vendor: https://www.intel.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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