USN-3739-2: libxml2 vulnerabilities

USN-3739-1 fixed a vulnerability in libxml2. This update provides the corresponding update for Ubuntu 12.04. Original advisory details: Matias Brutti discovered that libxml2 incorrectly handled certain XML files. An attacker could possibly use this issue to expose sensitive information...

USN-3731-2: LFTP vulnerability

USN-3731-1 fixed a vulnerability in LFTP. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that LFTP incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service...

USN-3721-1: Apache Ant vulnerability

Danny Grander discovered that Apache Ant incorrectly handled certain compressed files. If a user or automated system were tricked into processing a specially crafted file, a remote attacker could use this issue to overwrite arbitrary files...

USN-3696-2: Linux kernel (Xenial HWE) vulnerabilities

USN-3696-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS. It was discovered that an integer overflow existed in the perf subsystem of the Linux...

USN-3660-1: Thunderbird vulnerabilities

Multiple security issues were discovered in Thunderbird. If a user were tricked in to opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service via application crash, install lightweight themes without user interaction, or...

USN-3522-2: Linux (Xenial HWE) vulnerability

USN-3522-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS. Jann Horn discovered that microprocessors utilizing speculative execution and indirect...

USN-3512-1: OpenSSL vulnerabilities

David Benjamin discovered that OpenSSL did not correctly prevent buggy applications that ignore handshake errors from subsequently calling certain functions. CVE-2017-3737 It was discovered that OpenSSL incorrectly performed the x8664 Montgomery multiplication procedure. While unlikely, a remote...

USN-3414-2: QEMU regression

USN-3414-1 fixed vulnerabilities in QEMU. The patch backport for CVE-2017-9375 was incomplete and caused a regression in the USB xHCI controller emulation support. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Leo Gaspard discovered that QEMU...

USN-3349-1: NTP vulnerabilities

Yihan Lian discovered that NTP incorrectly handled certain large request data values. A remote attacker could possibly use this issue to cause NTP to crash, resulting in a denial of service. This issue only affected Ubuntu 16.04 LTS. CVE-2016-2519 Miroslav Lichvar discovered that NTP incorrectly...

USN-3253-2: Nagios regression

USN-3253-1 fixed vulnerabilities in Nagios. The update prevented log files from being displayed in the web interface. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that Nagios incorrectly handled certain long strings. A remote...

USN-3313-1: Linux kernel vulnerability

It was discovered that a buffer overflow existed in the trace subsystem in the Linux kernel. A privileged local attacker could use this to execute arbitrary code...

USN-3291-1: Linux kernel vulnerabilities

Dmitry Vyukov discovered that the generic SCSI sg subsystem in the Linux kernel contained a stack-based buffer overflow. A local attacker with access to an sg device could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2017-7187 It was discovered that a...

USN-3190-2: Linux kernel (Raspberry Pi 2) vulnerabilities

Mikulas Patocka discovered that the asynchronous multibuffer cryptographic daemon mcryptd in the Linux kernel did not properly handle being invoked with incompatible algorithms. A local attacker could use this to cause a denial of service system crash. CVE-2016-10147 It was discovered that a...

USN-3151-3: Linux kernel (Qualcomm Snapdragon) vulnerability

Philip Pettersson discovered a race condition in the afpacket implementation in the Linux kernel. A local unprivileged attacker could use this to cause a denial of service system crash or run arbitrary code with administrative privileges...

USN-3151-2: Linux kernel (Xenial HWE) vulnerability

USN-3151-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS. Philip Pettersson discovered a race condition in the afpacket implementation in the...

USN-3145-2: Linux kernel (Trusty HWE) vulnerabilities

USN-3145-1 fixed vulnerabilities in the Linux kernel for Ubuntu 14.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 14.04 LTS for Ubuntu 12.04 LTS. Marco Grassi discovered that the driver for Areca RAID Controllers in the Linux kernel...

USN-3099-2: Linux kernel (Xenial HWE) vulnerabilities

USN-3099-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS. Vladimír Beneš discovered an unbounded recursion in the VLAN and TEB Generic Receive...

USN-3051-1: Linux kernel (Trusty HWE) vulnerabilities

It was discovered that the keyring implementation in the Linux kernel did not ensure a data structure was initialized before referencing it after an error condition occurred. A local attacker could use this to cause a denial of service system crash. CVE-2016-4470 Kangjie Lu discovered an...

USN-3000-1: Linux kernel (Utopic HWE) vulnerabilities

Justin Yackoski discovered that the Atheros L2 Ethernet Driver in the Linux kernel incorrectly enables scatter/gather I/O. A remote attacker could use this to obtain potentially sensitive information from kernel memory. CVE-2016-2117 Jann Horn discovered that eCryptfs improperly attempted to use...

USN-2947-3: Linux kernel (Raspberry Pi 2) vulnerabilities

Ralf Spenneberg discovered that the usbvision driver in the Linux kernel did not properly validate the interfaces and endpoints reported by the device. An attacker with physical access could cause a denial of service system crash. CVE-2015-7833 Venkatesh Pottem discovered a use-after-free...

USN-2851-1: Linux kernel vulnerabilities

Felix Wilhelm discovered a race condition in the Xen paravirtualized drivers which can cause double fetch vulnerabilities. An attacker in the paravirtualized guest could exploit this flaw to cause a denial of service crash the host or potentially execute arbitrary code on the host. CVE-2015-8550...

USN-2828-1: QEMU vulnerabilities

Jason Wang discovered that QEMU incorrectly handled the virtio-net device. A remote attacker could use this issue to cause guest network consumption, resulting in a denial of service. CVE-2015-7295 Qinghao Tang and Ling Liu discovered that QEMU incorrectly handled the pcnet driver when used in...

USN-2731-1: Linux kernel vulnerability

Benjamin Randazzo discovered an information leak in the md multiple device driver when the bitmapinfo.file is disabled. A local privileged attacker could use this to obtain sensitive information from the kernel...

USN-2722-1: GDK-PixBuf vulnerability

Gustavo Grieco discovered that GDK-PixBuf incorrectly handled scaling bitmap images. If a user or automated system were tricked into opening a BMP image file, a remote attacker could use this flaw to cause GDK-PixBuf to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-2686-1: Apache HTTP Server vulnerabilities

It was discovered that the Apache HTTP Server incorrectly parsed chunk headers. A remote attacker could possibly use this issue to perform HTTP request smuggling attacks. CVE-2015-3183 It was discovered that the Apache HTTP Server incorrectly handled the apsomeauthrequired API. A remote attacker...

USN-2656-1: Firefox vulnerabilities

Karthikeyan Bhargavan discovered that NSS incorrectly handled state transitions for the TLS state machine. If a remote attacker were able to perform a machine-in-the-middle attack, this flaw could be exploited to skip the ServerKeyExchange message and remove the forward-secrecy property...

USN-2665-1: Linux kernel (Vivid HWE) vulnerabilities

A race condition was discovered in the Linux kernel's filehandle size verification. A local user could exploit this flaw to read potentially sensative memory locations. CVE-2015-1420 A underflow error was discovered in the Linux kernel's Ozmo Devices USB over WiFi host controller driver. A remote...

USN-2643-1: Linux kernel vulnerability

Philip Pettersson discovered a privilege escalation when using overlayfs mounts inside of user namespaces. A local user could exploit this flaw to gain administrative privileges on the system...

USN-2636-1: Linux kernel (Vivid HWE) vulnerabilities

Xiong Zhou discovered a bug in the way the EXT4 filesystem handles fallocate zero range functionality when the page size is greater than the block size. A local attacker could exploit this flaw to cause a denial of service system crash. CVE-2015-0275 Wen Xu discovered a use-after-free flaw in the...

USN-2613-1: Linux kernel (Trusty HWE) vulnerabilities

Vincent Tondellier discovered an integer overflow in the Linux kernel's netfilter connection tracking accounting of loaded extensions. An attacker on the local area network LAN could potential exploit this flaw to cause a denial of service system crash of targeted system. CVE-2014-9715 Jan Beulic...

USN-2612-1: Linux kernel (OMAP4) vulnerabilities

A race condition between chown and execve was discovered in the Linux kernel. A local attacker could exploit this race by using chown on a setuid-user-binary to gain administrative privileges. CVE-2015-3339 Vincent Tondellier discovered an integer overflow in the Linux kernel's netfilter connecti...

USN-2597-1: Linux kernel (Trusty HWE) vulnerability

A race condition between chown and execve was discovered in the Linux kernel. A local attacker could exploit this race by using chown on a setuid-user-binary to gain administrative privileges...

USN-2564-1: Linux kernel (Utopic HWE) vulnerabilities

An integer overflow was discovered in the stack randomization feature of the Linux kernel on 64 bit platforms. A local attacker could exploit this flaw to bypass the Address Space Layout Randomization ASLR protection mechanism. CVE-2015-1593 An information leak was discovered in the Linux Kernel'...

USN-2560-1: Linux kernel vulnerabilities

An integer overflow was discovered in the stack randomization feature of the Linux kernel on 64 bit platforms. A local attacker could exploit this flaw to bypass the Address Space Layout Randomization ASLR protection mechanism. CVE-2015-1593 An information leak was discovered in the Linux Kernel'...

USN-2465-1: Linux kernel (Trusty 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-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-2441-1: Linux kernel vulnerabilities

An information leak in the Linux kernel was discovered that could leak the high 16 bits of the kernel stack address on 32-bit Kernel Virtual Machine KVM paravirt guests. A user in the guest OS could exploit this leak to obtain information that could potentially be used to aid in attacking the...

USN-2396-1: Linux kernel vulnerabilities

Nadav Amit reported that the KVM Kernel Virtual Machine mishandles noncanonical addresses when emulating instructions that change the rip Instruction Pointer. A guest user with access to I/O or the MMIO can use this flaw to cause a denial of service system crash of the guest. CVE-2014-3647 A flaw...

USN-2287-1: Linux kernel (Saucy HWE) 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 Michael S. Tsirkin discovered an information leak in the Linux kernel's...

USN-2264-1: Linux kernel vulnerabilities

Salva Peiró discovered an information leak in the Linux kernel's media- device driver. A local attacker could exploit this flaw to obtain sensitive information from kernel memory. CVE-2014-1739 A bounds check error was discovered in the socket filter subsystem of the Linux kernel. A local user...

USN-2254-1: PHP vulnerabilities

Christian Hoffmann discovered that the PHP FastCGI Process Manager FPM set incorrect permissions on the UNIX socket. A local attacker could use this issue to possibly elevate their privileges. This issue only affected Ubuntu 12.04 LTS, Ubuntu 13.10, and Ubuntu 14.04 LTS. CVE-2014-0185 Francisco...

USN-2245-1: json-c vulnerabilities

Florian Weimer discovered that json-c incorrectly handled buffer lengths. An attacker could use this issue with a specially-crafted large JSON document to cause json-c to crash, resulting in a denial of service. CVE-2013-6370 Florian Weimer discovered that json-c incorrectly handled hash arrays. ...

USN-2138-1: Linux kernel 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-1983-1: Python 2.7 vulnerabilities

Florian Weimer discovered that Python incorrectly handled matching multiple wildcards in ssl certificate hostnames. An attacker could exploit this to cause Python to consume resources, resulting in a denial of service. This issue only affected Ubuntu 13.04. CVE-2013-2099 Ryan Sleevi discovered th...

USN-1908-1: OpenJDK 6 vulnerabilities

Several vulnerabilities were discovered in the OpenJDK JRE related to information disclosure and data integrity. An attacker could exploit these to expose sensitive data over the network. CVE-2013-1500, CVE-2013-2454, CVE-2013-2458 A vulnerability was discovered in the OpenJDK Javadoc related to...

USN-1835-1: Linux kernel vulnerabilities

A buffer overflow vulnerability was discovered in the Broadcom tg3 ethernet driver for the Linux kernel. A local user could exploit this flaw to cause a denial of service crash the system or potentially escalate privileges on the system. CVE-2013-1929 A flaw was discovered in the Linux kernel's...

USN-1814-1: Linux kernel (OMAP4) vulnerabilities

Mathias Krause discovered an information leak in the Linux kernel's UDF file system implementation. A local user could exploit this flaw to examine some of the kernel's heap memory. CVE-2012-6548 Mathias Krause discovered an information leak in the Linux kernel's ISO 9660 CDROM file system driver...

USN-1795-1: Linux kernel (Quantal HWE) vulnerabilities

Andrew Jones discovered a flaw with the xeniret function in Linux kernel's Xen virtualizeation. In the 32-bit Xen paravirt platform an unprivileged guest OS user could exploit this flaw to cause a denial of service crash the system or gain guest OS privilege. CVE-2013-0228 Emese Revfy discovered...

USN-1733-1: Ruby vulnerabilities

Jean-Philippe Aumasson discovered that Ruby incorrectly generated predictable hash values. An attacker could use this issue to generate hash collisions and cause a denial of service. CVE-2012-5371 Evgeny Ermakov discovered that documentation generated by rdoc is vulnerable to a cross-site scripti...

USN-1645-1: Linux kernel (OMAP4) vulnerabilities

Brad Spengler discovered a flaw in the Linux kernel's uname system call. An unprivileged user could exploit this flaw to read kernel stack memory. CVE-2012-0957 Dmitry Monakhov reported a race condition flaw the Linux ext4 filesystem that can expose stale data. An unprivileged user could exploit...