CVE-2026-80664

A flaw was found in the Linux kernel's netfilter component, specifically within the xtnat SNAT and DNAT target handlers. These handlers incorrectly assume the presence of an IP-family connection tracking state. A local attacker, by instantiating these handlers from an unsupported family, such as ...

Linux Distros Unpatched Vulnerability : CVE-2026-80664

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - netfilter: xtnat: reject unsupported target families xtnat SNAT and DNAT target handlers assume IP- family conntrack state is present and can dereference a NULL...

CVE-2026-80664

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtnat: reject unsupported target families xtnat SNAT and DNAT target handlers assume IP-family conntrack state is present and can dereference a NULL pointer when instantiated from an unsupported family through nftcompa...

CVE-2026-80664

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtnat: reject unsupported target families xtnat SNAT and DNAT target handlers assume IP-family conntrack state is present and can dereference a NULL pointer when instantiated from an unsupported family through nftcompa...

UBUNTU-CVE-2026-80664

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtnat: reject unsupported target families xtnat SNAT and DNAT target handlers assume IP-family conntrack state is present and can dereference a NULL pointer when instantiated from an unsupported family through nftcompa...

CVE-2026-80664

CVE-2026-80664 affects the Linux kernel's netfilter xt_nat module . The SNAT and DNAT target handlers assume IP-family conntrack state is present and can trigger a NULL pointer dereference in nf_nat_setup_info() when instantiated from an unsupported family (e.g., bridge) via nft_compat. The fix r...

EUVD-2026-67540

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtnat: reject unsupported target families xtnat SNAT and DNAT target handlers assume IP-family conntrack state is present and can dereference a NULL pointer when instantiated from an unsupported family through nftcompa...

CVE-2026-80664 netfilter: xt_nat: reject unsupported target families

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtnat: reject unsupported target families xtnat SNAT and DNAT target handlers assume IP-family conntrack state is present and can dereference a NULL pointer when instantiated from an unsupported family through nftcompa...

CVE-2026-80664

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtnat: reject unsupported target families xtnat SNAT and DNAT target handlers assume IP-family conntrack state is present and can dereference a NULL pointer when instantiated from an unsupported family through nftcompa...

CVE-2026-80664 netfilter: xt_nat: reject unsupported target families

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtnat: reject unsupported target families xtnat SNAT and DNAT target handlers assume IP-family conntrack state is present and can dereference a NULL pointer when instantiated from an unsupported family through nftcompa...