USN-2476-1: Oxide vulnerabilities

Several memory corruption bugs were discovered in ICU. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service via renderer crash or execute arbitrary code with the privileges of the sandboxed render process...

USN-2481-1: Samba vulnerability

Andrew Bartlett discovered that Samba incorrectly handled delegation of authority when being used as an Active Directory Domain Controller. An attacker given delegation privileges could use this issue to escalate their privileges further...

USN-2478-1: libssh vulnerability

It was discovered that libssh incorrectly handled certain kexinit packets. A remote attacker could possibly use this issue to cause libssh to crash, resulting in a denial of service...

USN-2475-1: GTK+ update

Clemens Fries discovered that GTK+ allowed bypassing certain screen locks by using the menu key. An attacker with physical access could possibly use this flaw to gain access to a locked session...

USN-2458-2: Ubufox update

USN-2458-1 fixed vulnerabilities in Firefox. This update provides the corresponding version of Ubufox. Original advisory details: Christian Holler, Patrick McManus, Christoph Diehl, Gary Kwong, Jesse Ruderman, Byron Campen, Terrence Cole, and Nils Ohlmeier discovered multiple memory safety issues...

USN-2467-1: Linux kernel (Utopic HWE) vulnerabilities

A null pointer dereference flaw was discovered in the the Linux kernel's SCTP implementation when ASCONF is used. A remote attacker could exploit this flaw to cause a denial of service system crash via a malformed INIT chunk. CVE-2014-7841 A race condition with MMIO and PIO transactions in the KV...

USN-2466-1: Linux kernel vulnerabilities

A null pointer dereference flaw was discovered in the the Linux kernel's SCTP implementation when ASCONF is used. A remote attacker could exploit this flaw to cause a denial of service system crash via a malformed INIT chunk. CVE-2014-7841 A race condition with MMIO and PIO transactions in the KV...

USN-2461-1: LibYAML vulnerability

Stanisław Pitucha and Jonathan Gray discovered that LibYAML did not properly handle wrapped strings. An attacker could create specially crafted YAML data to trigger an assert, causing a denial of service...

USN-2450-1: strongSwan vulnerability

Mike Daskalakis discovered that strongSwan incorrectly handled IKEv2 payloads that contained the Diffie-Hellman group 1025. A remote attacker could use this issue to cause the IKE daemon to crash, resulting in a denial of service...

USN-2447-2: Linux kernel (Utopic HWE) regression

USN-2447-1 fixed vulnerabilities in the Linux kernel. Due to an unrelated regression TCP Throughput drops to zero for several drivers after upgrading. This update fixes the problem. We apologize for the inconvenience. Original advisory details: An information leak in the Linux kernel was discover...

USN-2447-1: Linux kernel (Utopic HWE) vulnerabilities

Andy Lutomirski discovered that the Linux kernel does not properly handle faults associated with the Stack Segment SS register in the x86 architecture. A local attacker could exploit this flaw to gain administrative privileges. CVE-2014-9322 An information leak in the Linux kernel was discovered...

USN-2439-1: QEMU vulnerabilities

Michael S. Tsirkin discovered that QEMU incorrectly handled certain parameters during ram load while performing a migration. An attacker able to manipulate savevm data could use this issue to possibly execute arbitrary code on the host. This issue only affected Ubuntu 12.04 LTS, Ubuntu 14.04 LTS,...

USN-2436-1: X.Org X server vulnerabilities

Ilja van Sprundel discovered a multitude of security issues in the X.Org X server. An attacker able to connect to an X server, either locally or remotely, could use these issues to cause the X server to crash or execute arbitrary code resulting in possible privilege escalation...

USN-2431-1: mod_wsgi vulnerability

It was discovered that modwsgi incorrectly handled errors when setting up the working directory and group access rights. A malicious application could possibly use this issue to cause a local privilege escalation when using daemon mode...

USN-2424-1: Firefox vulnerabilities

Gary Kwong, Randell Jesup, Nils Ohlmeier, Jesse Ruderman, Max Jonas Werner, Christian Holler, Jon Coppeard, Eric Rahm, Byron Campen, Eric Rescorla, and Xidorn Quan discovered multiple memory safety issues in Firefox. If a user were tricked in to opening a specially crafted website, an attacker...

USN-2413-1: AppArmor vulnerability

An AppArmor policy miscompilation flaw was discovered in apparmorparser. Under certain circumstances, a malicious application could use this flaw to perform operations that are not allowed by AppArmor policy. The flaw may also prevent applications from accessing resources that are allowed by...

USN-2410-1: Oxide vulnerabilities

A buffer overflow was discovered in Skia. If a user were tricked in to opening a specially crafted website, an attacked could potentially exploit this to cause a denial of service via renderer crash or execute arbitrary code with the privileges of the sandboxed render process. CVE-2014-7904...

USN-2408-1: OpenStack Neutron vulnerability

Elena Ezhova discovered that OpenStack Neutron did not properly perform access control checks for attributes. A remote authenticated attacker could exploit this to bypass intended access controls and reset admin-only attributes to default values...

USN-2407-1: OpenStack Nova vulnerabilities

Garth Mollett discovered that OpenStack Nova did not properly clean up an instance when using rescue mode with the VMWare driver. A remove authenticated user could exploit this to bypass intended quota limits. By default, Ubuntu does not use the VMWare driver. CVE-2014-3608 Amrith Kumar discovere...

USN-2406-1: OpenStack Keystone vulnerability

Brant Knudson discovered that OpenStack Keystone did not properly perform input sanitization when performing endpoint catalog substitution. A remote attacker with privileged access for creating endpoints could exploit this to obtain sensitive information...