The vulnerability of the rss_prepare_get() function in the net/ethtool/rss.c module, which is part of the Linux kernel’s networking functions, allows a hacker to cause a service failure.

The vulnerability of the rssprepareget function in the net/ethtool/rss.c module, which is part of the Linux kernel’s networking functions, relates to the failure to release resources after their useful life has ended. Exploiting this vulnerability could allow an attacker to cause service failures...

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...

SUSE 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 ...

AZL-92817 CVE-2026-63999 affecting package kernel 6.6.157.1-1

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 ...