Today, July 14, 2016, Canonical published multiple security notices to inform users of the Ubuntu 16.04 LTS (Xenial Xerus), Ubuntu 14.04 LTS (Trusty Tahr) and Ubuntu 15.10 (Wily Werewolf) operating systems about the availability of a new kernel update.
According to Canonical, a vulnerability was discovered recently in the memory manager of the Linux kernel packages of the aforementioned Ubuntu OSes that could be used by a local attacker to crash the system using a Denial of Service (DoS) attack. The security flaw was discovered by Jan Stancek.
“Jan Stancek discovered that the Linux kernel’s memory manager did not properly handle moving pages mapped by the asynchronous I/O (AIO) ring buffer to the other nodes. A local attacker could use this to cause a denial of service (system crash),” reads one of the security notices published today by Canonical.
The kernel vulnerability has been fully documented at <a href="http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016… (read…
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