https://cve.radiocsirt.org Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Wed, 07 Oct 2026 21:18:53 +0000 https://cve.radiocsirt.org/vuln/cve-2021-47560 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>mlxsw: spectrum: Protect driver from buggy firmware</p> <p>When processing port up/down events generated by the device&#39;s firmware, the driver protects itself from events reported for non-existent local ports, but not the CPU port (local port 0), which exists, but lacks a netdev.</p> <p>This can result in a NULL pointer dereference when calling netif_carrier_{on,off}().</p> <p>Fix this by bailing early when processing an event reported for the CPU port. Problem was only observed when running on top of a buggy emulator.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>mlxsw: spectrum: Protect driver from buggy firmware</p> <p>When processing port up/down events generated by the device&#39;s firmware, the driver protects itself from events reported for non-existent local ports, but not the CPU port (local port 0), which exists, but lacks a netdev.</p> <p>This can result in a NULL pointer dereference when calling netif_carrier_{on,off}().</p> <p>Fix this by bailing early when processing an event reported for the CPU port. Problem was only observed when running on top of a buggy emulator.</p> https://cve.radiocsirt.org/vuln/cve-2021-47560