Credit: Lucas Gouveia/How-To Geek Published May 8, 2026, 4:44 PM EDT Jon is a seasoned journalist who has written definitive coverage of consumer tech at publications like Engadget, Android Authority, and BetaKit. He's an expert on making tech accessible ranging from mobile and PCs to emerging platforms like wearables. When he's not writing, he's going on adventures with ihis family and is an avid photographer. Sign in to your How-To Geek account The Linux community is dealing with its second major security risk in as many weeks. Security researcher Hyunwoo Kim has disclosed a new zero-day vulnerability, Dirty Frag, that gives intruders more control over virtually any Linux distribution once they have an initial foothold. The newly published flaw makes use of vulnerabilities in kernel networking and memory fragment handling, including esp6 ( CVE-2026-43284 ) and rxrpc (CVE-2026-43500). Like the recent Copy Fail flaw, it tries to abuse Linux's page caching to get more OS privileges.…