USN-3096-1: NTP vulnerabilities

Aanchal Malhotra discovered that NTP incorrectly handled authenticated broadcast mode. A remote attacker could use this issue to perform a replay attack. CVE-2015-7973 Matt Street discovered that NTP incorrectly verified peer associations of symmetric keys. A remote attacker could use this issue ...

USN-3093-1: ClamAV vulnerabilities

It was discovered that ClamAV incorrectly handled certain malformed files. A remote attacker could use this issue to cause ClamAV to crash, resulting in a denial of service, or possibly execute arbitrary code. In the default installation, attackers would be isolated by the ClamAV AppArmor profile...

USN-3076-1: Firefox vulnerabilities

Atte Kettunen discovered an out-of-bounds read when handling certain Content Security Policy CSP directives in some circumstances. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash...

USN-3085-1: GDK-PixBuf vulnerabilities

It was discovered that the GDK-PixBuf library did not properly handle specially crafted bmp images, leading to a heap-based buffer overflow. If a user or automated system were tricked into opening a specially crafted bmp file, a remote attacker could use this flaw to cause GDK-PixBuf to crash,...

USN-3084-1: Linux kernel vulnerabilities

Pengfei Wang discovered a race condition in the audit subsystem in the Linux kernel. A local attacker could use this to corrupt audit logs or disrupt system-call auditing. CVE-2016-6136 It was discovered that the powerpc and powerpc64 hypervisor-mode KVM implementation in the Linux kernel for did...

USN-3070-3: Linux kernel (Qualcomm Snapdragon) vulnerabilities

A missing permission check when settings ACLs was discovered in nfsd. A local user could exploit this flaw to gain access to any file by setting an ACL. CVE-2016-1237 Kangjie Lu discovered an information leak in the Reliable Datagram Sockets RDS implementation in the Linux kernel. A local attacke...

USN-3070-1: Linux kernel vulnerabilities

A missing permission check when settings ACLs was discovered in nfsd. A local user could exploit this flaw to gain access to any file by setting an ACL. CVE-2016-1237 Kangjie Lu discovered an information leak in the Reliable Datagram Sockets RDS implementation in the Linux kernel. A local attacke...

USN-3047-1: QEMU vulnerabilities

Li Qiang discovered that QEMU incorrectly handled 53C9X Fast SCSI controller emulation. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service, or possibly execute arbitrary code on the host. In the default installation, when QEMU is...

USN-3017-3: Linux kernel (Wily HWE) vulnerabilities

USN-3017-1 fixed vulnerabilities in the Linux kernel for Ubuntu 15.10. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 15.10 for Ubuntu 14.04 LTS. Jesse Hertz and Tim Newsham discovered that the Linux netfilter implementation did not correct...

USN-3016-2: Linux kernel (Raspberry Pi 2) vulnerabilities

Jesse Hertz and Tim Newsham discovered that the Linux netfilter implementation did not correctly perform validation when handling 32 bit compatibility IPTSOSETREPLACE events on 64 bit platforms. A local unprivileged attacker could use this to cause a denial of service system crash or execute...

USN-2993-1: Firefox vulnerabilities

Christian Holler, Gary Kwong, Jesse Ruderman, Tyson Smith, Timothy Nikkel, Sylvestre Ledru, Julian Seward, Olli Pettay, Karl Tomlinson, Christoph Diehl, Julian Hector, Jan de Mooij, Mats Palmgren, and Tooru Fujisawa discovered multiple memory safety issues in Firefox. If a user were tricked in to...

USN-2991-1: nginx vulnerability

It was discovered that nginx incorrectly handled saving client request bodies to temporary files. A remote attacker could possibly use this issue to cause nginx to crash, resulting in a denial of service...

USN-2979-1: Linux kernel vulnerabilities

David Matlack discovered that the Kernel-based Virtual Machine KVM implementation in the Linux kernel did not properly restrict variable Memory Type Range Registers MTRR in KVM guests. A privileged user in a guest VM could use this to cause a denial of service system crash in the host, expose...

USN-2917-1: Firefox vulnerabilities

Francis Gabriel discovered a buffer overflow during ASN.1 decoding in NSS. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code with the privileges of the user...

USN-2911-2: Linux kernel (OMAP4) vulnerability

It was discovered that the Linux kernel keyring subsystem contained a race between read and revoke operations. A local attacker could use this to cause a denial of service system crash...

USN-2858-3: Linux kernel (Raspberry Pi 2) vulnerability

Nathan Williams discovered that overlayfs in the Linux kernel incorrectly handled setattr operations. A local unprivileged attacker could use this to create files with administrative permission attributes and execute arbitrary code with elevated privileges...

USN-2801-1: Linux kernel vulnerability

Ben Serebrin discovered that the KVM hypervisor implementation in the Linux kernel did not properly catch Alignment Check exceptions. An attacker in a guest virtual machine could use this to cause a denial of service system crash in the host OS...

USN-2797-1: Linux kernel (Utopic HWE) vulnerabilities

It was discovered that the Linux kernel did not check if a new IPv6 MTU set by a user space application was valid. A remote attacker could forge a route advertisement with an invalid MTU that a user space daemon like NetworkManager would honor and apply to the kernel, causing a denial of service...

USN-2784-1: OpenJDK 7 vulnerabilities

Multiple vulnerabilities were discovered in the OpenJDK JRE related to information disclosure, data integrity and availability. An attacker could exploit these to cause a denial of service or expose sensitive data over the network. CVE-2015-4805, CVE-2015-4835, CVE-2015-4843, CVE-2015-4844,...

USN-2775-1: Linux kernel (Trusty HWE) vulnerabilities

It was discovered that the Linux kernel did not check if a new IPv6 MTU set by a user space application was valid. A remote attacker could forge a route advertisement with an invalid MTU that a user space daemon like NetworkManager would honor and apply to the kernel, causing a denial of service...

USN-2764-1: Linux kernel (Utopic HWE) vulnerability

Dmitry Vyukov discovered that the Linux kernel did not properly initialize IPC object state in certain situations. A local attacker could use this to escalate their privileges, expose confidential information, or cause a denial of service system crash...

USN-2745-1: QEMU vulnerabilities

Lian Yihan discovered that QEMU incorrectly handled certain payload messages in the VNC display driver. A malicious guest could use this issue to cause the QEMU process to hang, resulting in a denial of service. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. CVE-2015-5239 Qinghao...

USN-2680-1: Linux kernel (Trusty HWE) vulnerabilities

A flaw was discovered in the user space memory copying for the pipe iovecs in the Linux kernel. An unprivileged local user could exploit this flaw to cause a denial of service system crash or potentially escalate their privileges. CVE-2015-1805 A flaw was discovered in the kvm kernel virtual...

USN-2640-2: Linux kernel regression

The Fix for CVE-2015-1328 introduced a regression into the Linux kernel's overlayfs file system. The removal of a directory that only exists on the lower layer results in a kernel panic. We apologize for the inconvenience. Original advisory details: Philip Pettersson discovered a privilege...

USN-2591-1: curl vulnerabilities

Paras Sethia discovered that curl could incorrectly re-use NTLM HTTP credentials when subsequently connecting to the same host over HTTP. CVE-2015-3143 Hanno Böck discovered that curl incorrectly handled zero-length host names. If a user or automated system were tricked into using a specially...

USN-2553-2: LibTIFF regression

USN-2553-1 fixed vulnerabilities in LibTIFF. One of the security fixes caused a regression when saving certain TIFF files with a Predictor tag. The problematic patch has been temporarily backed out until a more complete fix is available. We apologize for the inconvenience. Original advisory...

USN-2528-1: Linux kernel vulnerability

It was discovered that the Linux kernel's Infiniband subsystem did not properly sanitize its input parameters while registering memory regions from userspace. A local user could exploit this flaw to cause a denial of service system crash or to potentially gain administrative privileges...

USN-2495-1: Oxide vulnerabilities

A use-after-free bug was discovered in the DOM implementation in Blink. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via renderer crash or execute arbitrary code with the privileges of the sandboxed rende...

USN-2459-1: OpenSSL vulnerabilities

Pieter Wuille discovered that OpenSSL incorrectly handled Bignum squaring. CVE-2014-3570 Markus Stenberg discovered that OpenSSL incorrectly handled certain crafted DTLS messages. A remote attacker could use this issue to cause OpenSSL to crash, resulting in a denial of service. CVE-2014-3571...

USN-2326-1: Oxide vulnerabilities

A use-after-free was discovered in the SVG implementation in Blink. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via renderer crash, or execute arbitrary code with the privileges of the sandboxed render...

USN-2232-4: OpenSSL regression

USN-2232-1 fixed vulnerabilities in OpenSSL. One of the patch backports for Ubuntu 10.04 LTS caused a regression for certain applications. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Jüri Aedla discovered that OpenSSL incorrectly handled invalid...

USN-2282-1: Linux kernel vulnerabilities

Sasha Levin reported a flaw in the Linux kernel's point-to-point protocol PPP when used with the Layer Two Tunneling Protocol L2TP. A local user could exploit this flaw to gain administrative privileges. CVE-2014-4943 An flaw was discovered in the Linux kernel's audit subsystem when auditing...

USN-2204-1: Linux kernel vulnerability

A flaw was discovered in the Linux kernel's pseudo tty pty device. An unprivileged user could exploit this flaw to cause a denial of service system crash or potentially gain administrator privileges...

USN-2199-1: Linux kernel (Quantal HWE) vulnerability

A flaw was discovered in the Linux kernel's pseudo tty pty device. An unprivileged user could exploit this flaw to cause a denial of service system crash or potentially gain administrator privileges...

USN-2191-1: OpenJDK 6 vulnerabilities

Several vulnerabilities were discovered in the OpenJDK JRE related to information disclosure, data integrity and availability. An attacker could exploit these to cause a denial of service or expose sensitive data over the network. CVE-2014-0429, CVE-2014-0446, CVE-2014-0451, CVE-2014-0452,...

USN-2185-1: Firefox vulnerabilities

Bobby Holley, Carsten Book, Christoph Diehl, Gary Kwong, Jan de Mooij, Jesse Ruderman, Nathan Froyd, John Schoenick, Karl Tomlinson, Vladimir Vukicevic and Christian Holler discovered multiple memory safety issues in Firefox. If a user were tricked in to opening a specially crafted website, an...

USN-2182-1: QEMU vulnerabilities

Michael S. Tsirkin discovered that QEMU incorrectly handled vmxnet3 devices. A local guest could possibly use this issue to cause a denial of service, or possibly execute arbitrary code on the host. This issue only applied to Ubuntu 13.10 and Ubuntu 14.04 LTS. CVE-2013-4544 Michael S. Tsirkin...

USN-2177-1: Linux kernel (Saucy HWE) vulnerabilities

A flaw was discovered in the Kernel Virtual Machine KVM subsystem of the Linux kernel. A guest OS user could exploit this flaw to execute arbitrary code on the host OS. CVE-2014-0049 Al Viro discovered an error in how CIFS in the Linux kernel handles uncached write operations. An unprivileged loc...

USN-2135-1: Linux kernel (Quantal HWE) vulnerabilities

Mathy Vanhoef discovered an error in the the way the ath9k driver was handling the BSSID masking. A remote attacker could exploit this error to discover the original MAC address after a spoofing atack. CVE-2013-4579 Andrew Honig reported a flaw in the Linux Kernel's kvmvmioctlcreatevcpu function ...

USN-1977-1: Linux kernel (EC2) vulnerabilities

An information leak was discovered in the handling of ICMPv6 Router Advertisement RA messages in the Linux kernel's IPv6 network stack. A remote attacker could exploit this flaw to cause a denial of service excessive retries and address-generation outage, and consequently obtain sensitive...

USN-1976-1: Linux kernel vulnerabilities

An information leak was discovered in the handling of ICMPv6 Router Advertisement RA messages in the Linux kernel's IPv6 network stack. A remote attacker could exploit this flaw to cause a denial of service excessive retries and address-generation outage, and consequently obtain sensitive...

USN-1930-1: Linux kernel (OMAP4) vulnerabilities

An information leak was discovered in the Linux kernel's fanotify interface. A local user could exploit this flaw to obtain sensitive information from kernel memory. CVE-2013-2148 Kees Cook discovered a format string vulnerability in the Broadcom B43 wireless driver for the Linux kernel. A local...

USN-1924-2: Ubufox and Unity Firefox Extension update

USN-1924-1 fixed vulnerabilities in Firefox. This update provides the corresponding updates for Ubufox and Unity Firefox Extension. Original advisory details: Jeff Gilbert, Henrik Skupin, Ben Turner, Christian Holler, Andrew McCreight, Gary Kwong, Jan Varga and Jesse Ruderman discovered multiple...

USN-1918-1: Linux kernel (OMAP4) vulnerability

Kees Cook discovered a format string vulnerability in the Broadcom B43 wireless driver for the Linux kernel. A local user could exploit this flaw to gain administrative privileges...

USN-1903-1: Apache HTTP Server vulnerabilities

It was discovered that the modrewrite module incorrectly sanitized non- printable characters before writing data to log files. A remote attacker could possibly use this flaw to execute arbitrary commands by injecting escape sequences in the log file. CVE-2013-1862 It was discovered that the modda...

USN-1882-1: Linux kernel (OMAP4) vulnerabilities

Kees Cook discovered a flaw in the Linux kernel's iSCSI subsystem. A remote unauthenticated attacker could exploit this flaw to cause a denial of service system crash or potentially gain administrative privileges. CVE-2013-2850 Andy Lutomirski discover an error in the Linux kernel's credential...

USN-1880-1: Linux kernel (Quantal HWE) vulnerabilities

Andy Lutomirski discover an error in the Linux kernel's credential handling on unix sockets. A local user could exploit this flaw to gain administrative privileges. CVE-2013-1979 An information leak was discovered in the Linux kernel when inotify is used to monitor the /dev/ptmx device. A local...

USN-1876-1: Linux kernel vulnerabilities

Andrew Honig reported a flaw in the way KVM Kernel-based Virtual Machine emulated the IOAPIC. A privileged guest user could exploit this flaw to read host memory or cause a denial of service crash the host. CVE-2013-1798 An information leak was discovered in the Linux kernel's rcvmsg path for ATM...

USN-1788-1: Linux kernel (Oneiric backport) vulnerabilities

Emese Revfy discovered that in the Linux kernel signal handlers could leak address information across an exec, making it possible to bypass ASLR Address Space Layout Randomization. A local user could use this flaw to bypass ASLR to reliably deliver an exploit payload that would otherwise be stopp...

USN-1755-2: OpenJDK 7 vulnerabilities

USN-1755-1 fixed vulnerabilities in OpenJDK 6. This update provides the corresponding updates for OpenJDK 7. Original advisory details: It was discovered that OpenJDK did not properly validate certain types of images. A remote attacker could exploit this to cause OpenJDK to crash. CVE-2013-0809 I...