#linux

Ubuntu Security Notice 6577-1 - Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Kopf, and Oleksii Oleksenko discovered that some AMD processors could leak stale data from division operations in certain situations. A local attacker could possibly use this to expose sensitive information. It was discovered that a race condition existed in the Linux kernel when performing operations with kernel objects, leading to an out-of-bounds write. A local attacker could use this to cause a denial of service or execute arbitrary code.

PHPJabbers Event Ticketing System version 1.0 suffers from a missing rate limiting vulnerability.

PHPJabbers Meeting Room Booking System version 1.0 suffers from multiple persistent cross site scripting vulnerabilities.

PHPJabbers Event Ticketing System version 1.0 suffers from cross site scripting and html injection vulnerabilities.

Ubuntu Security Notice 6576-1 - Lonial Con discovered that the netfilter subsystem in the Linux kernel did not properly handle an expired catchall element in some situations, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

Ubuntu Security Notice 6549-5 - It was discovered that the USB subsystem in the Linux kernel contained a race condition while handling device descriptors in certain situations, leading to a out-of-bounds read vulnerability. A local attacker could possibly use this to cause a denial of service. Lin Ma discovered that the Netlink Transformation subsystem in the Linux kernel did not properly initialize a policy data structure, leading to an out-of-bounds vulnerability. A local privileged attacker could use this to cause a denial of service or possibly expose sensitive information.

Ubuntu Security Notice 6548-5 - It was discovered that Spectre-BHB mitigations were missing for Ampere processors. A local attacker could potentially use this to expose sensitive information. It was discovered that the USB subsystem in the Linux kernel contained a race condition while handling device descriptors in certain situations, leading to a out-of-bounds read vulnerability. A local attacker could possibly use this to cause a denial of service.

PHPJabbers Cinema Booking System version 1.0 suffers from a missing rate limiting vulnerability.

PHPJabbers Meeting Room Booking System version 1.0 suffers from a missing rate limiting vulnerability.

PHPJabbers Cinema Booking System version 1.0 suffers from reflective and persistent cross site scripting vulnerabilities.