Unity Linux 20.1050e Security Update: kernel (UTSA-2026-100173)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100173 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: bridge: make ebtsnat ARP rewrite writable The ebtables SNAT target keeps the Ethernet...

CVE-2026-53266 netfilter: bridge: make ebt_snat ARP rewrite writable

In the Linux kernel, the following vulnerability has been resolved: netfilter: bridge: make ebtsnat ARP rewrite writable The ebtables SNAT target keeps the Ethernet source address rewrite behind skbensurewritableskb, 0. This is intentional: at the bridge ebtables hooks the Ethernet header is...

CVE-2026-53266: Out-of-bounds Write

In the Linux kernel, the following vulnerability has been resolved: netfilter: bridge: make ebtsnat ARP rewrite writable The ebtables SNAT target keeps the Ethernet source address rewrite behind skbensurewritableskb, 0. This is intentional: at the bridge ebtables hooks the Ethernet header is...