Medium [CVE-2026-72246] use correct direction to set up tunnel route
This medium-severity Red Hat Linux advisory covers CVE-2026-72246 affecting Red Hat Enterprise Linux 10, Red Hat package: kernel.
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Summary
A flaw was found in the Linux kernel's netfilter flowtable component. This vulnerability arises from an error in how the system sets up tunnel routes, specifically in handling network packet encapsulation and tunnel information.
An attacker could potentially exploit this to cause incorrect network traffic routing or unexpected packet behavior. This could lead to network disruptions or a denial of service (DoS).
Red Hat severity: Moderate — CVSS 5.5 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-628.
Affected Red Hat products: Red Hat Enterprise Linux 10. Red Hat does not currently list a fixing RHSA for this CVE.
Affected products named by the advisory: Red Hat package: kernel.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · medium-confidence parse· fetched 1 hour ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · medium-confidence parse· fetched 1 hour ago·verify at source
Mitigation
The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.
Official advisory · medium-confidence parse· fetched 1 hour ago·verify at source
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