CVE-2026-63923

A flaw was found in the Linux kernel's octeontx2-af driver. A malicious Virtual Function VF attached to a Physical Function PF in switchdev representor mode can send a specially crafted REPEVENTNOTIFY message. This message contains an unvalidated pcifunc field, which can lead to an out-of-bounds...

Linux Distros Unpatched Vulnerability : CVE-2026-63923

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: validate body pcifunc in rvumboxhandlerrepeventnotify...

CVE-2026-63923

CVE-2026-63923 affects the Linux kernel’s octeontx2-af path, where rvu_mbox_handler_rep_event_notify forwards attacker-controlled event fields (pcifunc) without proper bounds checking. The root cause is lack of validation when translating nested body pcifunc into PF/VF mailbox indices, allowing o...

CVE-2026-63923 octeontx2-af: validate body pcifunc in rvu_mbox_handler_rep_event_notify

In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: validate body pcifunc in rvumboxhandlerrepeventnotify rvumboxhandlerrepeventnotify in drivers/net/ethernet/marvell/ octeontx2/af/rvurep.c queues a sender-controlled REPEVENTNOTIFY request body verbatim, and...

EUVD-2026-45696

In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: validate body pcifunc in rvumboxhandlerrepeventnotify rvumboxhandlerrepeventnotify in drivers/net/ethernet/marvell/ octeontx2/af/rvurep.c queues a sender-controlled REPEVENTNOTIFY request body verbatim, and...