USN-3169-1: Linux kernel vulnerabilities

Dmitry Vyukov discovered that the KVM implementation in the Linux kernel did not properly initialize the Code Segment CS in certain error cases. A local attacker could use this to expose sensitive information kernel memory. CVE-2016-9756 Andrey Konovalov discovered that signed integer overflows...

USN-3049-1: Linux kernel 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-2973-1: Thunderbird vulnerabilities

Christian Holler, Tyson Smith, and Phil Ringalda 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...

USN-2971-3: Linux kernel (Raspberry Pi 2) vulnerabilities

Ralf Spenneberg discovered that the Aiptek Tablet USB device driver in the Linux kernel did not properly validate the endpoints reported by the device. An attacker with physical access could cause a denial of service system crash. CVE-2015-7515 Zach Riggle discovered that the Linux kernel's list...

USN-2900-1: GNU C Library vulnerability

It was discovered that the GNU C Library incorrectly handled receiving responses while performing DNS resolution. A remote attacker could use this issue to cause the GNU C Library to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-2868-1: DHCP vulnerability

Sebastian Poehn discovered that the DHCP server, client, and relay incorrectly handled certain malformed UDP packets. A remote attacker could use this issue to cause the DHCP server, client, or relay to stop responding, resulting in a denial of service...

USN-2861-1: libpng vulnerabilities

It was discovered that libpng incorrectly handled certain small bit-depth values. If a user or automated system using libpng were tricked into opening a specially crafted image, an attacker could exploit this to cause a denial of service or execute code with the privileges of the user invoking th...

USN-2759-1: Linux kernel 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-2710-2: OpenSSH regression

USN-2710-1 fixed vulnerabilities in OpenSSH. The upstream fix for CVE-2015-5600 caused a regression resulting in random authentication failures in non-default configurations. This update fixes the problem. Original advisory details: Moritz Jodeit discovered that OpenSSH incorrectly handled...

USN-2694-1: PCRE vulnerabilities

Michele Spagnuolo discovered that PCRE incorrectly handled certain regular expressions. A remote attacker could use this issue to cause applications using PCRE to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 14.04 LTS. CVE-2014-8964...

USN-2684-1: Linux kernel vulnerabilities

A flaw was discovered in the kvm kernel virtual machine subsystem's kvmapichasevents function. A unprivileged local user could exploit this flaw to cause a denial of service system crash. CVE-2015-4692 Daniel Borkmann reported a kernel crash in the Linux kernel's BPF filter JIT optimization. A...

USN-2638-1: Linux kernel 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-2588-1: Linux kernel 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-2545-1: Linux kernel (Utopic HWE) vulnerabilities

A flaw was discovered in the automatic loading of modules in the crypto subsystem of the Linux kernel. A local user could exploit this flaw to load installed kernel modules, increasing the attack surface and potentially using this to gain administrative privileges. CVE-2013-7421 A flaw was...

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-2445-1: Linux kernel (Trusty 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-2364-1: Bash vulnerabilities

Florian Weimer and Todd Sabin discovered that the Bash parser incorrectly handled memory. An attacker could possibly use this issue to bypass certain environment restrictions and execute arbitrary code. CVE-2014-7186, CVE-2014-7187 In addition, this update introduces a hardening measure which add...

USN-2336-1: Linux kernel (Trusty HWE) vulnerabilities

A flaw was discovered in the Linux kernel virtual machine's kvm validation of interrupt requests irq. A guest OS user could exploit this flaw to cause a denial of service host OS crash. CVE-2014-0155 Andy Lutomirski discovered a flaw in the authorization of netlink socket operations when a socket...

USN-2174-1: Linux kernel (EC2) vulnerabilities

A flaw was discovered in the Linux kernel's handling of the SCTP handshake. A remote attacker could exploit this flaw to cause a denial of service system crash. CVE-2014-0101 An error was discovered in the Linux kernel's DCCP protocol support. A remote attacked could exploit this flaw to cause a...

USN-1924-1: Firefox vulnerabilities

Jeff Gilbert, Henrik Skupin, Ben Turner, Christian Holler, Andrew McCreight, Gary Kwong, Jan Varga and Jesse Ruderman discovered multiple memory safety issues in Firefox. If the user were tricked in to opening a specially crafted page, an attacker could possibly exploit these to cause a denial of...

USN-1897-1: PyMongo vulnerability

Jibbers McGee discovered that PyMongo incorrectly handled certain invalid DBRefs. An attacker could use this issue to cause PyMongo to crash, resulting in a denial of service...

USN-1837-1: Linux kernel vulnerabilities

An information leak was discovered in the Linux kernel's tkill and tgkill system calls when used from compat processes. A local user could exploit this flaw to examine potentially sensitive kernel memory. CVE-2013-2141 A flaw was discovered in the Linux kernel's perf events subsystem for Intel...

USN-1648-1: Linux kernel 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 Rodrigo Freire discovered a flaw in the Linux kernel's TCP illinois congestion control algorithm. A local attacker could use this to cau...

USN-1646-1: Linux kernel 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 Rodrigo Freire discovered a flaw in the Linux kernel's TCP illinois congestion control algorithm. A local attacker could use this to cau...

USN-1617-1: WebKit vulnerabilities

A large number of security issues were discovered in the WebKit browser and JavaScript engines. If a user were tricked into viewing a malicious website, a remote attacker could exploit a variety of issues related to web browser security, including cross-site scripting attacks, denial of service...

USN-1341-1: Linux kernel 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-1243-1: Linux kernel vulnerabilities

It was discovered that the security fix for CVE-2010-4250 introduced a regression. A remote attacker could exploit this to crash the system, leading to a denial of service. CVE-2011-1479 Vasiliy Kulikov discovered that taskstats did not enforce access restrictions. A local attacker could exploit...

USN-1242-1: Linux kernel (Maverick backport) vulnerabilities

It was discovered that the security fix for CVE-2010-4250 introduced a regression. A remote attacker could exploit this to crash the system, leading to a denial of service. CVE-2011-1479 Vasiliy Kulikov discovered that taskstats did not enforce access restrictions. A local attacker could exploit...

USN-1228-1: Linux kernel (OMAP4) vulnerabilities

Timo Warns discovered that the EFI GUID partition table was not correctly parsed. A physically local attacker that could insert mountable devices could exploit this to crash the system or possibly gain root privileges. CVE-2011-1776 Dan Rosenberg discovered that the IPv4 diagnostic routines did n...

USN-1208-1: 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...

USN-1201-1: Linux kernel vulnerabilities

It was discovered that the /proc filesystem did not correctly handle permission changes when programs executed. A local attacker could hold open files to examine details about programs running with higher privileges, potentially increasing the chances of exploiting additional vulnerabilities...

USN-1150-1: Thunderbird vulnerabilities

Multiple memory vulnerabilities were discovered in the browser rendering engine. An attacker could use these to possibly execute arbitrary code with the privileges of the user invoking Thunderbird. CVE-2011-2364, CVE-2011-2365, CVE-2011-2374, CVE-2011-2376 Martin Barbella discovered that under...

USN-1121-1: Firefox vulnerabilities

Boris Zbarsky, Gary Kwong, Jesse Ruderman, Michael Wu, and Ted Mielczarek discovered multiple memory vulnerabilities. An attacker could exploit these to possibly run arbitrary code as the user running Firefox. CVE-2011-0079 It was discovered that there was a vulnerability in the memory handling o...

USN-1098-1: vsftpd vulnerability

It was discovered that vsftpd incorrectly handled certain glob expressions. A remote authenticated user could use a crafted glob expression to cause vftpd to consume all resources, leading to a denial of service...

USN-1007-1: NSS vulnerabilities

Richard Moore discovered that NSS would sometimes incorrectly match an SSL certificate which had a Common Name that used a wildcard followed by a partial IP address. While it is very unlikely that a Certificate Authority would issue such a certificate, if an attacker were able to perform a...

USN-940-1: Kerberos vulnerabilities

It was discovered that Kerberos did not correctly free memory in the GSSAPI and kdb libraries. If a remote attacker were able to manipulate an application using these libraries carefully, the service could crash, leading to a denial of service. Only Ubuntu 6.06 LTS was affected. CVE-2007-5902,...

USN-609-1: OpenOffice.org vulnerabilities

It was discovered that arbitrary Java methods were not filtered out when opening databases in OpenOffice.org. If a user were tricked into running a specially crafted query, a remote attacker could execute arbitrary Java with user privileges. CVE-2007-4575 Multiple memory overflow flaws were...

USN-429-1: tcpdump vulnerability

Moritz Jodeit discovered that tcpdump had an overflow in the 802.11 packet parser. Remote attackers could send specially crafted packets, crashing tcpdump, possibly leading to a denial of service...

USN-324-1: freetype vulnerability

An integer overflow has been discovered in the FreeType library. By tricking a user into installing and/or opening a specially crafted font file, these could be exploited to execute arbitrary code with the privileges of that user...

USN-151-1: zlib vulnerability

USN-148-1 fixed an improver input verification of zlib CAN-2005-2096. Markus Oberhumer discovered additional ways a disrupted stream could trigger a buffer overflow and crash the application using zlib, so another update is necessary. zlib is used by hundreds of server and client applications, so...

USN-8344-3: pip vulnerability

USN-8344-1 introduced a regression in pip. This update provides a complete fix for this issue.. We apologize for the inconvenience. Original advisory details: It was discovered that pip's bundled urllib3 library improperly handled streaming decompression of highly compressed data. A remote attack...

USN-7426-1: poppler vulnerabilities

It was discovered that poppler incorrectly handled memory when opening certain PDF files. An attacker could possibly use this issue to cause poppler to crash, resulting in a denial of service...

USN-7317-1: wpa_supplicant and hostapd vulnerabilities

George Chatzisofroniou and Panayiotis Kotzanikolaou discovered that wpasupplicant and hostapd reused encryption elements in the PKEX protocol. An attacker could possibly use this issue to impersonate a wireless access point, and obtain sensitive information. CVE-2022-37660 Daniel De Almeida Braga...

USN-7314-1: Kerberos vulnerabilities

It was discovered that Kerberos incorrectly handled certain memory operations. A remote attacker could possibly use this issue to cause Kerberos to consume memory,leading to a denial of service. CVE-2024-26458, CVE-2024-26461 It was discovered that Kerberos incorrectly handled certain memory...

USN-7281-1: GnuTLS vulnerability

Bing Shi discovered that GnuTLS incorrectly handled decoding certain DER-encoded certificates. A remote attacker could possibly use this issue to cause GnuTLS to consume resources, leading to a denial of service...

USN-6893-2: Linux kernel vulnerabilities

It was discovered that a race condition existed in the Bluetooth subsystem in the Linux kernel when modifying certain settings values through debugfs. A privileged local attacker could use this to cause a denial of service. CVE-2024-24857, CVE-2024-24858, CVE-2024-24859 Several security issues we...

USN-6737-2: GNU C Library vulnerability

USN-6737-1 fixed a vulnerability in the GNU C Library. This update provides the corresponding update for Ubuntu 24.04 LTS. Original advisory details: Charles Fol discovered that the GNU C Library iconv feature incorrectly handled certain input sequences. An attacker could use this issue to cause...

USN-6740-1: Linux kernel vulnerabilities

Wei Chen discovered that a race condition existed in the TIPC protocol implementation in the Linux kernel, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service system crash. CVE-2023-1382 It was discovered that the virtio network...

USN-6726-3: Linux kernel (Xilinx ZynqMP) vulnerabilities

Pratyush Yadav discovered that the Xen network backend implementation in the Linux kernel did not properly handle zero length data request, leading to a null pointer dereference vulnerability. An attacker in a guest VM could possibly use this to cause a denial of service host domain crash...

USN-6726-2: Linux kernel (IoT) vulnerabilities

Pratyush Yadav discovered that the Xen network backend implementation in the Linux kernel did not properly handle zero length data request, leading to a null pointer dereference vulnerability. An attacker in a guest VM could possibly use this to cause a denial of service host domain crash...