CVE-2026-63999

A flaw was found in the Linux kernel's ethtool subsystem, specifically within the Receive Side Scaling RSS functionality. The rssprepareget function fails to deallocate memory for the indirection table and hash key buffer if an internal operation ops-getrxfh does not complete successfully. This...

Linux Distros Unpatched Vulnerability : CVE-2026-63999

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ethtool: rss: fix indirtable and hkey leak on getrxfh failure rssprepareget allocates the indirection table and hash key buffer via rssgetdataalloc, then calls...

CVE-2026-63999

In the Linux kernel, the following vulnerability has been resolved: ethtool: rss: fix indirtable and hkey leak on getrxfh failure rssprepareget allocates the indirection table and hash key buffer via rssgetdataalloc, then calls ops-getrxfh to populate them. If getrxfh fails, the function returns ...

CVE-2026-63999

The Linux kernel ethtool RSS issue CVE-2026-63999 is about a memory leak: rss_prepare_get() allocates the indirection table and hash key via rss_get_data_alloc() and calls ops->get_rxfh() to populate them. If get_rxfh() fails, the allocation is not freed, causing a leak. The connected document...

The vulnerability of the virtnet_get_rxfh() function in the drivers/net/virtio_net.c module of the Linux kernel allows a hacker to cause a service failure.

The vulnerability of the virtnetgetrxfh function in the drivers/net/virtionet.c file of the Linux kernel is related to the execution of a loop with an unreachable exit condition „Infinite loop“. Exploiting this vulnerability could allow an attacker to cause a service failure...