UBUNTU-CVE-2026-46142

In the Linux kernel, the following vulnerability has been resolved: net: libwx: fix VF illegal register access Register WXCFGPORTST is a PF restricted register. When a VF is initialized, attempting to read this register triggers an illegal register access, which lead to a system hang. When the...

CVE-2026-46142

The CVE-2026-46142 issue affects the Linux kernel’s net: libwx code, where reading the PF-restricted WX_CFG_PORT_ST register during VF initialization can trigger an illegal register access, potentially causing a system hang. The root cause is that a VF’s bus function ID can be read directly from ...

PT-2026-44265

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the libwx network component where a Virtual Function VF attempts to access the WX CFG PORT ST register. Because this is a Physical Function PF restricted register, the...