What is CVE-2026-25702?

CVE-2026-25702 is a Critical severity Linux kernel vulnerability with a CVSS score of 9.8 out of 10, classified as a Improper Access Control flaw (CWE-284). CVE-2026-25702 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2026-25702?

CVE-2026-25702 has a CVSS score of 9.8 out of 10, rated Critical severity. The vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2026-25702?

No patch is currently available for CVE-2026-25702. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2026-25702 actively exploited?

CVE-2026-25702 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Improper Access Control (CWE-284)?

The product does not restrict or incorrectly restricts access to a resource from an unauthorised actor. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/284.html

CVE-2026-25702

Critical

A Improper Access Control vulnerability in the kernel of SUSE SUSE Linux Enterprise Server 12 SP5 breaks nftables, causing firewall rules applied via nftables to not be effective.This issue affects SUSE Linux Enterprise Server: from 9e6d9d4601768c75fdb0bad3fbbe636e748939c2 before 9c294edb7085fb91650bc12233495a8974c5ff2d.

Package Linux Kernel

Published 2026-03-05

Last modified 2026-03-09

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

9.8

out of 10

Critical

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Weakness type

CWE-284

CVE-2026-25702 is a Improper Access Control vulnerability

What is Improper Access Control?

The product does not restrict or incorrectly restricts access to a resource from an unauthorised actor. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2026-25702 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

SUSE
https://bugzilla.suse.com/show_bug.cgi?id=CVE-2026-25702

Broken Link

Details

CVE ID CVE-2026-25702

Severity Critical

CVSS score 9.8 / 10

CVSS version 3.1

Published 2026-03-05

Modified 2026-03-09

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2026-25702?

CVE-2026-25702 is a Critical severity Linux kernel vulnerability with a CVSS score of 9.8 out of 10 , classified as an Improper Access Control flaw (CWE-284) . CVE-2026-25702 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2026-25702?

CVE-2026-25702 has a CVSS score of 9.8 out of 10, rated Critical severity (CVSS 3.1). The vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2026-25702?

No patch is currently available for CVE-2026-25702. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2026-25702 actively exploited?

No — CVE-2026-25702 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Improper Access Control (CWE-284)?

The product does not restrict or incorrectly restricts access to a resource from an unauthorised actor. View CWE-284 on MITRE CWE →