USN-3309-1: Libtasn1 vulnerability

Jakub Jirasek discovered that GnuTLS incorrectly handled certain assignments files. If a user were tricked into processing a specially crafted assignments file, a remote attacker could possibly execute arbirary code...

USN-3275-2: OpenJDK 7 vulnerabilities

USN-3275-1 fixed vulnerabilities in OpenJDK 8. This update provides the corresponding updates for OpenJDK 7. Original advisory details: It was discovered that OpenJDK improperly re-used cached NTLM connections in some situations. A remote attacker could possibly use this to cause a Java applicati...

USN-3269-1: MySQL vulnerabilities

Multiple security issues were discovered in MySQL and this update includes new upstream MySQL versions to fix these issues. MySQL has been updated to 5.5.55 in Ubuntu 14.04 LTS. Ubuntu 16.04 LTS, Ubuntu 16.10 and Ubuntu 17.04 have been updated to MySQL 5.7.18. In addition to security fixes, the...

USN-3216-2: Firefox regression

USN-3216-1 fixed vulnerabilities in Firefox. The update resulted in a startup crash when Firefox is used with XRDP. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Multiple security issues were discovered in Firefox. If a user were tricked in to openi...

USN-3220-1: 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-3189-2: Linux kernel (Xenial HWE) vulnerabilities

USN-3189-1 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. Mikulas Patocka discovered that the asynchronous multibuffer cryptographic daemon...

USN-3183-1: GnuTLS vulnerabilities

Stefan Buehler discovered that GnuTLS incorrectly verified the serial length of OCSP responses. A remote attacker could possibly use this issue to bypass certain certificate validation measures. This issue only applied to Ubuntu 16.04 LTS. CVE-2016-7444 Shi Lei discovered that GnuTLS incorrectly...

USN-3158-1: Samba vulnerabilities

Frederic Besler and others discovered that the ndrpulldnspnam function in Samba contained an integer overflow. An authenticated attacker could use this to gain administrative privileges. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, and Ubuntu 16.10. CVE-2016-2123 Simo Sorce...

USN-3144-2: Linux kernel (OMAP4) vulnerability

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...

USN-3127-2: Linux kernel (Trusty HWE) vulnerabilities

USN-3127-1 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. It was discovered that the compression handling code in the Advanced Linux Sound...

USN-3099-4: Linux kernel (Qualcomm Snapdragon) vulnerabilities

Vladimír Beneš discovered an unbounded recursion in the VLAN and TEB Generic Receive Offload GRO processing implementations in the Linux kernel, A remote attacker could use this to cause a stack corruption, leading to a denial of service system crash. CVE-2016-7039 Marco Grassi discovered a...

USN-3050-1: Linux kernel (OMAP4) vulnerabilities

Ben Hawkes discovered that the Linux netfilter implementation did not correctly perform validation when handling IPTSOSETREPLACE events. A local unprivileged attacker could use this to cause a denial of service system crash or possibly execute arbitrary code with administrative privileges...

USN-3038-1: Apache HTTP Server vulnerability

It was discovered that the Apache HTTP Server would set the HTTPPROXY environment variable based on the contents of the Proxy header from HTTP requests. A remote attacker could possibly use this issue in combination with CGI scripts that honour the HTTPPROXY variable to redirect outgoing HTTP...

USN-3002-1: Linux kernel (Wily 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-3001-1: Linux kernel (Vivid 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-2997-1: Linux kernel (OMAP4) vulnerabilities

Jann Horn discovered that eCryptfs improperly attempted to use the mmap handler of a lower filesystem that did not implement one, causing a recursive page fault to occur. A local unprivileged attacker could use to cause a denial of service system crash or possibly execute arbitrary code with...

USN-2979-3: Linux kernel (Raspberry Pi 2) vulnerability

Philip Pettersson discovered that the Linux kernel's ASN.1 DER decoder did not properly process certificate files with tags of indefinite length. A local unprivileged attacker could use this to cause a denial of service system crash or possibly execute arbitrary code with administrative privilege...

USN-2947-1: Linux kernel 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-2907-2: Linux kernel (Trusty HWE) vulnerabilities

halfdog discovered that OverlayFS, when mounting on top of a FUSE mount, incorrectly propagated file attributes, including setuid. A local unprivileged attacker could use this to gain privileges. CVE-2016-1576 halfdog discovered that OverlayFS in the Linux kernel incorrectly propagated security...

USN-2902-1: graphite2 vulnerabilities

Yves Younan 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...

USN-2855-2: Samba regression

USN-2855-1 fixed vulnerabilities in Samba. The upstream fix for CVE-2015-5252 introduced a regression in certain specific environments. This update fixes the problem. Original advisory details: Thilo Uttendorfer discovered that the Samba LDAP server incorrectly handled certain packets. A remote...

USN-2841-1: Linux kernel vulnerabilities

Jan Beulich discovered that the KVM svm hypervisor implementation in the Linux kernel did not properly catch Debug exceptions on AMD processors. An attacker in a guest virtual machine could use this to cause a denial of service system crash in the host OS. CVE-2015-8104 郭永刚 discovered that the pp...

USN-2824-1: Linux kernel (Utopic HWE) vulnerability

Dmitry Vyukov discovered that the Linux kernel's keyring handler attempted to garbage collect incompletely instantiated keys. A local unprivileged attacker could use this to cause a denial of service system crash...

USN-2806-1: Linux kernel (Vivid HWE) 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-2760-1: Linux kernel (OMAP4) vulnerabilities

It was discovered that an integer overflow error existed in the SCSI generic sg driver in the Linux kernel. A local attacker with write permission to a SCSI generic device could use this to cause a denial of service system crash or potentially escalate their privileges. CVE-2015-5707 Marc-André...

USN-2732-1: Linux kernel (OMAP4) 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-2712-1: Thunderbird vulnerabilities

Gary Kwong, Christian Holler, and Byron Campen discovered multiple memory safety issues in Thunderbird. If a user were tricked in to opening a specially crafted message, an attacker could potentially exploit these to cause a denial of service via application crash, or execute arbitrary code with...

USN-2587-1: Linux kernel (Trusty HWE) vulnerabilities

A stack overflow was discovered in the the microcode loader for the intel x86 platform. A local attacker could exploit this flaw to cause a denial of service kernel crash or to potentially execute code with kernel privileges. CVE-2015-2666 It was discovered that the Linux kernel's IPv6 networking...

USN-2514-1: Linux kernel (OMAP4) 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-2513-1: 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-2442-1: Linux kernel (EC2) 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-2342-1: QEMU vulnerabilities

Michael S. Tsirkin, Anthony Liguori, and Michael Roth discovered multiple issues with QEMU state loading after migration. An attacker able to modify the state data could use these issues to cause a denial of service, or possibly execute arbitrary code. CVE-2013-4148, CVE-2013-4149, CVE-2013-4150,...

USN-2296-1: Thunderbird vulnerabilities

Christian Holler, David Keeler and Byron Campen discovered multiple memory safety issues in Thunderbird. If a user were tricked in to opening a specially crafted message with scripting enabled, an attacker could potentially exploit these to cause a denial of service via application crash, or...

USN-2254-2: PHP updates

USN-2254-1 fixed vulnerabilities in PHP. The fix for CVE-2014-0185 further restricted the permissions on the PHP FastCGI Process Manager FPM UNIX socket. This update grants socket access to the www-data user and group so installations and documentation relying on the previous socket permissions...

USN-2232-2: OpenSSL regression

USN-2232-1 fixed vulnerabilities in OpenSSL. The upstream fix for CVE-2014-0224 caused a regression for certain applications that use tlssessionsecretcb, such as wpasupplicant. This update fixes the problem. Original advisory details: Jüri Aedla discovered that OpenSSL incorrectly handled invalid...

USN-2237-1: Linux kernel (Quantal HWE) vulnerability

Pinkie Pie discovered a flaw in the Linux kernel's futex subsystem. An unprivileged local user could exploit this flaw to cause a denial of service system crash or gain administrative privileges...

USN-2179-1: Linux kernel 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-2107-1: Linux kernel vulnerabilities

A flaw was discovered in the Linux kernel's compat ioctls for Adaptec AACRAID scsi raid devices. An unprivileged local user could send administrative commands to these devices potentially compromising the data stored on the device. CVE-2013-6383 mpd reported an information leak in the recvfrom,...

USN-2039-1: Linux kernel (OMAP4) 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-1809-1: Linux kernel 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-1791-1: Thunderbird vulnerabilities

Olli Pettay, Jesse Ruderman, Boris Zbarsky, Christian Holler, Milan Sreckovic and Joe Drew discovered multiple memory safety issues affecting Thunderbird. If the user were tricked into opening a specially crafted message with scripting enabled, an attacker could possibly exploit these to cause a...

USN-1760-1: Linux kernel (Oneiric backport) vulnerabilities

A failure to validate input was discovered in the Linux kernel's Xen netback network backend driver. A user in a guest OS may exploit this flaw to cause a denial of service to the guest OS and other guest domains. CVE-2013-0216 A memory leak was discovered in the Linux kernel's Xen netback networ...

USN-1562-1: Linux kernel (Natty backport) vulnerability

Some errors where discovered in the Linux kernel's UDF file system, which is used to mount some CD-ROMs and DVDs. An unprivileged local user could use these flaws to crash the system...

USN-1431-1: Linux kernel vulnerabilities

A flaw was found in the Linux's kernels ext4 file system when mounted with a journal. A local, unprivileged user could exploit this flaw to cause a denial of service. CVE-2011-4086 Sasha Levin discovered a flaw in the permission checking for device assignments requested via the kvm ioctl in the...

USN-1400-3: Thunderbird vulnerabilities

USN-1400-1 fixed vulnerabilities in Firefox. This update provides the corresponding fixes for Thunderbird. Original advisory details: Soroush Dalili discovered that Firefox did not adequately protect against dropping JavaScript links onto a frame. A remote attacker could, through cross-site...

USN-1355-2: Mozvoikko update

USN-1355-1 fixed vulnerabilities in Firefox. This update provides an updated Mozvoikko package for use with the latest Firefox. Original advisory details: It was discovered that if a user chose to export their Firefox Sync key the "Firefox Recovery Key.html" file is saved with incorrect...

USN-1332-1: Linux kernel (Maverick backport) vulnerabilities

Peter Huewe discovered an information leak in the handling of reading security-related TPM data. A local, unprivileged user could read the results of a previous TPM command. CVE-2011-1162 Dan Rosenberg reported an error in the old ABI compatibility layer of ARM kernels. A local attacker could...

USN-1302-1: Linux kernel (OMAP4) vulnerabilities

A bug was discovered in the XFS filesystem's handling of pathnames. A local attacker could exploit this to crash the system, leading to a denial of service, or gain root privileges. CVE-2011-4077 Nick Bowler discovered the kernel GHASH message digest algorithm incorrectly handled error conditions...

USN-1210-1: Firefox and Xulrunner vulnerabilities

Benjamin Smedberg, Bob Clary, Jesse Ruderman, and Josh Aas discovered multiple memory vulnerabilities in the browser rendering engine. An attacker could use these to possibly execute arbitrary code with the privileges of the user invoking Firefox. CVE-2011-2995, CVE-2011-2996 Boris Zbarsky...

USN-1203-1: Linux kernel (Marvel DOVE) vulnerabilities

Dan Rosenberg discovered that multiple terminal ioctls did not correctly initialize structure memory. A local attacker could exploit this to read portions of kernel stack memory, leading to a loss of privacy. CVE-2010-4076, CVE-2010-4077 Alex Shi and Eric Dumazet discovered that the network stack...