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9.8
SUSE Linux Server Firewall Rules Not Enforced Due to Kernel Flaw
CVE-2026-25702
Summary
A flaw in the kernel of SUSE Linux Enterprise Server 12 SP5 makes it possible for unauthorized access to the system. This affects the effectiveness of firewall rules set up to protect the system. Users should update their system to a fixed version to ensure their firewall rules are enforced.
What to do
No fix is available yet. Check with your software vendor for updates.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| suse | linux_enterprise_server | 12 | – |
Original title
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...
Original description
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.
nvd CVSS3.1
7.3
Vulnerability type
CWE-284
Improper Access Control
Published: 5 Mar 2026 · Updated: 13 Mar 2026 · First seen: 6 Mar 2026