Ubuntu fixed a Linux bug that could have let an attacker cause a denial of service or execute arbitrary code with a TCP payload this week.

On the first day of Pwn2Own 2017 hackers poked holes in Adobe Reader, Apple Safari, Microsoft Edge, and Ubuntu Linux.

Ubuntu users are encouraged to update their operating systems to the latest OpenSSL package versions to address a collection of vulnerabilities.

A vulnerability in cryptsetup, a utility used to set up encrypted filesystems on Linux distributions, could allow an attacker to retrieve a root rescue shell on some systems.

A privilege escalation vulnerability, nicknamed Dirty Cow and present in Linux since 2007, has been used in public attacks against web-facing Linux servers.

Linux users who frequent the Ubuntu forums may want to change their passwords following news that an attacker was able to breach the service and its two million users. Jane Silber, Chief Executive Officer at Canonical,the company that maintains the service, acknowledged on Friday that a known SQL injection vulnerability in Forumrunner, an add-on in the Ubuntu...

Several vulnerabilities in Ubuntu’s implementation of the Linux kernel, including a use-after-free vulnerability and a timing side-channel vulnerability, were patched today. An advisory issued by Ubuntu Wednesday morning urges users to patch if they’re running 14.04 LTS or any derivative builds. The update fixes a use-after-free vulnerability in the kernel’s CXGB3 driver that an attacker could...