Linux kernel IPv6 privilege escalation, exploited in the wild

high severity · exploited in the wild · published 2026-07-04

A flaw in the kernel's IPv6 networking code can let an attacker gain higher privileges. It is already being exploited in the wild and affects SUSE, Red Hat and other Linux products.

Fixed in: 7.1.3

CVE: CVE-2026-53362

Source: OSV

Am I affected?

You are affected if the installed version is older than 7.1.3. Check the version you have and update to 7.1.3 or later. The fixed version is verified against a vendor or advisory source.

Get the fix

FixLane has a reviewed fix procedure for this incident: a read-only check first, then the fix. Ask the Telegram bot, or connect an AI agent to the FixLane MCP server and call get_fix_prompt with incident id 1879 and your operating system.