USN-3705-2: Firefox regressions

USN-3705-1 fixed vulnerabilities in Firefox. The update introduced various minor regressions. This update fixes the problems. We apologize for the inconvenience. Original advisory details: Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafte...

USN-3676-1: Linux kernel vulnerabilities

Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly handle corrupted meta data in some situations. An attacker could use this to specially craft an ext4 filesystem that caused a denial of service system crash when mounted. CVE-2018-1092, CVE-2018-1093 It...

USN-3610-1: ICU vulnerability

It was discovered that ICU incorrectly handled certain calendars. If an application using ICU processed crafted data, a remote attacker could possibly cause it to crash, leading to a denial of service...

USN-3606-1: LibTIFF vulnerabilities

It was discovered that LibTIFF incorrectly handled certain malformed images. If a user or automated system were tricked into opening a specially crafted image, a remote attacker could crash the application, leading to a denial of service, or possibly execute arbitrary code with user privileges...

USN-3588-1: Memcached vulnerabilities

Daniel Shapira discovered an integer overflow issue in Memcached. A remote attacker could use this to cause a denial of service daemon crash. CVE-2017-9951 It was discovered that Memcached listened to UDP by default. A remote attacker could use this as part of a distributed denial of service...

USN-3586-1: DHCP vulnerabilities

Konstantin Orekhov discovered that the DHCP server incorrectly handled a large number of concurrent TCP sessions. A remote attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. CVE-2016-2774 It was discovered that the...

USN-3559-1: Django vulnerabilities

It was discovered that Django incorrectly handled certain requests. An attacker could possibly use this to access sensitive information. CVE-2017-12794, CVE-2018-6188...

USN-3492-1: LibRaw vulnerabilities

It was discovered that LibRaw incorrectly handled photo files. If a user or automated system were tricked into processing a specially crafted photo file, a remote attacker could cause applications linked against LibRaw to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-3451-1: OpenStack Swift vulnerabilities

It was discovered that OpenStack Swift incorrectly handled tempurls. A remote authenticated user in possession of a tempurl key authorized for PUT could retrieve other objects in the same Swift account. CVE-2015-5223 Romain Le Disez and Örjan Persson discovered that OpenStack Swift incorrectly...

USN-3419-1: Linux kernel vulnerabilities

It was discovered that a buffer overflow existed in the Bluetooth stack of the Linux kernel when handling L2CAP configuration responses. A physically proximate attacker could use this to cause a denial of service system crash. CVE-2017-1000251 It was discovered that a buffer overflow existed in t...

USN-3388-1: Subversion vulnerabilities

Joern Schneeweisz discovered that Subversion did not properly handle host names in 'svn+ssh://' URLs. A remote attacker could use this to construct a subversion repository that when accessed could run arbitrary code with the privileges of the user. CVE-2017-9800 Daniel Shahaf and James McCoy...

USN-3380-1: FreeRDP vulnerabilities

It was discovered that FreeRDP incorrectly handled certain width and height values. A malicious server could use this issue to cause FreeRDP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only applied to Ubuntu 14.04 LTS. CVE-2014-0250 It was discovered...

USN-3212-4: LibTIFF vulnerabilities

USN-3212-1 fixed several issues in LibTIFF. This update provides a subset of corresponding update for Ubuntu 12.04 ESM. Mei Wang discovered a multiple integer overflows in LibTIFF which allows remote attackers to cause a denial of service crash or execute arbitrary code via a crafted TIFF image,...

USN-3292-2: Linux kernel (HWE) vulnerability

USN-3292-1 fixed a vulnerability in the Linux kernel for Ubuntu 16.10. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 16.10 for Ubuntu 16.04 LTS. Jason Donenfeld discovered a heap overflow in the MACsec module in the Linux kernel. An attack...

USN-3250-2: Linux kernel (Trusty HWE) vulnerability

USN-3250-1 fixed a vulnerability 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. It was discovered that the xfrm framework for transforming packets in the Linux kernel...

USN-3251-1: Linux kernel vulnerability

It was discovered that the xfrm framework for transforming packets in the Linux kernel did not properly validate data received from user space. A local attacker could use this to cause a denial of service system crash or execute arbitrary code with administrative privileges...

USN-3248-1: Linux kernel vulnerability

It was discovered that the xfrm framework for transforming packets in the Linux kernel did not properly validate data received from user space. A local attacker could use this to cause a denial of service system crash or execute arbitrary code with administrative privileges...

USN-3229-1: Python Imaging Library vulnerabilities

It was discovered that the Python Imaging Library incorrectly handled certain compressed text chunks in PNG images. A remote attacker could possibly use this issue to cause the Python Imaging Library to crash, resulting in a denial of service. CVE-2014-9601 Cris Neckar discovered that the Python...

USN-3218-1: Linux kernel vulnerability

Alexander Popov discovered that the NHDLC line discipline implementation in the Linux kernel contained a double-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly gain administrative privileges...

USN-3187-2: Linux kernel (OMAP4) vulnerabilities

Andrey Konovalov discovered that the SCTP implementation in the Linux kernel improperly handled validation of incoming data. A remote attacker could use this to cause a denial of service system crash. CVE-2016-9555 It was discovered that multiple memory leaks existed in the XFS implementation in...

USN-3188-2: Linux kernel (Trusty HWE) vulnerability

USN-3188-1 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. Andrey Konovalov discovered that the SCTP implementation in the Linux kernel improperl...

USN-3188-1: Linux kernel vulnerability

Andrey Konovalov discovered that the SCTP implementation in the Linux kernel improperly handled validation of incoming data. A remote attacker could use this to cause a denial of service system crash...

USN-3162-2: Linux kernel (Raspberry Pi 2) vulnerabilities

CAI Qian discovered that shared bind mounts in a mount namespace exponentially added entries without restriction to the Linux kernel's mount table. A local attacker could use this to cause a denial of service system crash. CVE-2016-6213 Andreas Gruenbacher and Jan Kara discovered that the...

USN-3157-1: Apport vulnerabilities

Donncha O Cearbhaill discovered that the crash file parser in Apport improperly treated the CrashDB field as python code. An attacker could use this to convince a user to open a maliciously crafted crash file and execute arbitrary code with the privileges of that user. This issue only affected...

USN-3155-1: Firefox vulnerabilities

Multiple security vulnerabilities were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to conduct cross-site scripting XSS attacks, obtain sensitive information, cause a denial of service via application crash, o...

USN-3152-1: Linux kernel 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-3146-1: Linux kernel vulnerabilities

It was discovered that the getuserasmex implementation in the Linux kernel for x86/x8664 contained extended asm statements that were incompatible with the exception table. A local attacker could use this to gain administrative privileges. CVE-2016-9644 Andreas Gruenbacher and Jan Kara discovered...

USN-3145-1: Linux kernel vulnerabilities

Marco Grassi discovered that the driver for Areca RAID Controllers in the Linux kernel did not properly validate control messages. A local attacker could use this to cause a denial of service system crash or possibly gain privileges. CVE-2016-7425 Daxing Guo discovered a stack-based buffer overfl...

USN-3106-4: Linux kernel (Qualcomm Snapdragon) vulnerability

It was discovered that a race condition existed in the memory manager of the Linux kernel when handling copy-on-write breakage of private read-only memory mappings. A local attacker could use this to gain administrative privileges...

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-3047-2: QEMU regression

USN-3047-1 fixed vulnerabilities in QEMU. The patch to fix CVE-2016-5403 caused a regression which resulted in save/restore failures when virtio memory balloon statistics are enabled. This update temporarily reverts the security fix for CVE-2016-5403 pending further investigation. We apologize fo...

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-2989-1: Linux kernel 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 Jason A. Donenfeld discovered multiple out-of-bounds reads in t...

USN-2978-2: Linux kernel (Wily HWE) vulnerabilities

USN-2978-1 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. David Matlack discovered that the Kernel-based Virtual Machine KVM implementation in the Linux...

USN-2968-2: Linux kernel (Trusty HWE) vulnerabilities

USN-2968-1 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. Ralf Spenneberg discovered that the Aiptek Tablet USB device driver in the Linux kerne...

USN-2946-1: Linux kernel vulnerabilities

Venkatesh Pottem discovered a use-after-free vulnerability in the Linux kernel's CXGB3 driver. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2015-8812 Xiaofei Rex Guo discovered a timing side channel vulnerability in the Linux...

USN-2928-2: Linux kernel (OMAP4) vulnerability

Andrey Konovalov discovered that the ALSA USB MIDI driver incorrectly performed a double-free. A local attacker with physical access could use this to cause a denial of service system crash or possibly execute arbitrary code with administrative privileges...

USN-2927-1: graphite2 vulnerabilities

It was discovered that graphite2 incorrectly handled certain malformed fonts. If a user or automated system were tricked into opening a specially- crafted font file, a remote attacker could use this issue to cause graphite2 to crash, resulting in a denial of service, or possibly execute arbitrary...

USN-2886-1: Linux kernel vulnerabilities

It was discovered that a use-after-free vulnerability existed in the AFUNIX implementation in the Linux kernel. A local attacker could use crafted epollctl calls to cause a denial of service system crash or expose sensitive information. CVE-2013-7446 It was discovered that the KVM implementation ...

USN-2885-1: OpenJDK 6 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, expose sensitive data over the network, or possibly execute arbitrary code. CVE-2016-0483, CVE-2016-0494 A...

USN-2808-1: wpa_supplicant and hostapd vulnerabilities

It was discovered that wpasupplicant incorrectly handled WMM Sleep Mode Response frame processing. A remote attacker could use this issue to perform broadcast/multicast packet injections, or cause a denial of service. CVE-2015-5310 It was discovered that wpasupplicant and hostapd incorrectly...

USN-2794-1: Linux kernel vulnerabilities

It was discovered that in certain situations, a directory could be renamed outside of a bind mounted location. An attacker could use this to escape bind mount containment and gain access to sensitive information. CVE-2015-2925 Moein Ghasemzadeh discovered that the USB WhiteHEAT serial driver...

USN-2640-1: 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-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-2527-1: Linux kernel (Trusty HWE) 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-2516-1: Linux kernel vulnerabilities

A flaw was discovered in the Kernel Virtual Machine's KVM emulation of the SYSTENTER instruction when the guest OS does not initialize the SYSENTER MSRs. A guest OS user could exploit this flaw to cause a denial of service of the guest OS crash or potentially gain privileges on the guest OS...

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-2357-1: Linux kernel (OMAP4) vulnerabilities

Jack Morgenstein reported a flaw in the page handling of the KVM Kerenl Virtual Machine subsystem in the Linux kernel. A guest OS user could exploit this flaw to cause a denial of service host OS memory corruption or possibly have other unspecified impact on the host OS. CVE-2014-3601 Chris Evans...

USN-2328-1: GNU C Library vulnerability

Tavis Ormandy and John Haxby discovered that the GNU C Library contained an off-by-one error when performing transliteration module loading. A local attacker could exploit this to gain administrative privileges. CVE-2014-5119 USN-2306-1 fixed vulnerabilities in the GNU C Library. On Ubuntu 10.04...

USN-2312-1: 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-2014-2490, CVE-2014-4216, CVE-2014-4219, CVE-2014-4262 Several...