How severe is CVE-2024-21806?

CVE-2024-21806 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-21806 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-21806?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-21806 have an EU (EUVD) identifier?

Yes. CVE-2024-21806 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19418.

When was CVE-2024-21806 published?

CVE-2024-21806 was published on 2024-08-14 and last updated on 2026-06-17.

CVE-2024-21806

CVE-2024-21806 is a medium-severity vulnerability with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-754.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v4: 6.8
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-19418
Weakness: CWE-754
Published: 2024-08-14
Last modified: 2026-06-17

Description

Improper conditions check in Linux kernel mode driver for some Intel(R) Ethernet Network Controllers and Adapters E810 Series before version 28.3 may allow an authenticated user to potentially enable denial of service via local access.

Frequently asked questions

What is CVE-2024-21806?: Improper conditions check in Linux kernel mode driver for some Intel(R) Ethernet Network Controllers and Adapters E810 Series before version 28.3 may allow an authenticated user to potentially enable denial of service via local access.
How severe is CVE-2024-21806?: CVE-2024-21806 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-21806 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-21806?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-21806 have an EU (EUVD) identifier?: Yes. CVE-2024-21806 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19418.
When was CVE-2024-21806 published?: CVE-2024-21806 was published on 2024-08-14 and last updated on 2026-06-17.

References

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00918.html

Other CWE-754 (Improper Check for Unusual or Exceptional Conditions) vulnerabilities

CVE-2026-24054 — Critical (CVSS 10.0): Kata Containers is an open source project focusing on a standard implementation of lightweight Virtual Machines (VMs)…
CVE-2021-0211 — Critical (CVSS 10.0): An improper check for unusual or exceptional conditions in Juniper Networks Junos OS and Junos OS Evolved Routing…
CVE-2026-8091 — Critical (CVSS 9.8): Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150,…
CVE-2024-52316 — Critical (CVSS 9.8): Unchecked Error Condition vulnerability in Apache Tomcat. If Tomcat is configured to use a custom Jakarta…
CVE-2024-7826 — Critical (CVSS 9.8): Improper Check for Unusual or Exceptional Conditions vulnerability in Webroot SecureAnywhere - Web Shield on Windows,…
CVE-2023-37303 — Critical (CVSS 9.8): An issue was discovered in the CheckUser extension for MediaWiki through 1.39.3. In certain situations, an attempt to…

Browse all CWE-754 (Improper Check for Unusual or Exceptional Conditions) vulnerabilities →