CVE-2026-97435
Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
24/09/2026
Last modified:
25/09/2026
Description
In the Linux kernel, the following vulnerability has been resolved:<br />
<br />
net: dsa: sja1105: flower: reject cross-chip redirect<br />
<br />
dsa_port_from_netdev() may return a valid port from a different switch<br />
chip. Programming another chip&#39;s port index into the local hardware<br />
causes redirection to the wrong port, or an out-of-bounds access if the<br />
index exceeds the local chip&#39;s port count.<br />
<br />
Apply a minimal fix that adds a check to catch this case and adjusts the<br />
extack message. When cls->common.skip_sw is not set, the operation could<br />
instead redirect to the upstream port and let the software or upstream<br />
switch(es) handle the forward, but that is not addressed here.


