USN-3582-2: Linux kernel (Xenial HWE) vulnerabilities

USN-3582-1 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. Mohamed Ghannam discovered that the IPv4 raw socket implementation in the Linux kernel...

USN-3549-1: Linux kernel (KVM) vulnerabilities

Jann Horn discovered that microprocessors utilizing speculative execution and branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Spectre. A local attacker could use this to expose sensitive information, including kernel memory. CVE-2017-5715,...

USN-3541-2: Linux kernel (HWE) vulnerabilities

USN-3541-1 addressed vulnerabilities in the Linux kernel for Ubuntu 17.10. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 17.10 for Ubuntu 16.04 LTS. Jann Horn discovered that microprocessors utilizing speculative execution and branch...

USN-3168-2: Linux kernel (Trusty HWE) vulnerabilities

USN-3168-1 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. Dmitry Vyukov discovered that the KVM implementation in the Linux kernel did not...

USN-2978-3: 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-2970-1: Linux kernel (Vivid HWE) 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 Ben Hawkes discovered that the Linux kernel's AIO...

USN-2910-2: Linux kernel (Vivid HWE) regression

USN-2910-1 fixed vulnerabilities in the Ubuntu 15.04 Linux kernel backported to Ubuntu 14.04 LTS. An incorrect locking fix caused a regression that broke graphics displays for Ubuntu 14.04 LTS guests running the Ubuntu 15.04 backport kernel within VMWare virtual machines. This update fixes the...

USN-2490-1: Linux kernel vulnerabilities

Andy Lutomirski discovered an information leak in the Linux kernel's Thread Local Storage TLS implementation allowing users to bypass the espfix to obtain information that could be used to bypass the Address Space Layout Randomization ASLR protection mechanism. A local user could exploit this fla...

USN-2374-1: Linux kernel vulnerabilities

Ben Hawkes reported some off by one errors for report descriptors in the Linux kernel's HID stack. A physically proximate attacker could exploit these flaws to cause a denial of service out-of-bounds write via a specially crafted device. CVE-2014-3184 Several bounds check flaws allowing for buffe...

USN-1551-2: Thunderbird regressions

USN-1551-1 fixed vulnerabilities in Thunderbird. The new package caused a regression in the message editor and certain performance regressions as well. This update fixes the problems. Original advisory details: Gary Kwong, Christian Holler, Jesse Ruderman, Steve Fink, Bob Clary, Andrew Sutherland...

USN-1405-1: Linux kernel vulnerabilities

Paolo Bonzini discovered a flaw in Linux's handling of the SGIO ioctl command. A local user, or user in a VM could exploit this flaw to bypass restrictions and gain read/write access to all data on the affected block device. CVE-2011-4127 A flaw was found in the Linux kernel's ext4 file system wh...

USN-1222-2: Mozvoikko, ubufox, webfav update

USN-1222-1 fixed vulnerabilities in Firefox. This update provides updated packages for use with Firefox 7. Original advisory details: Benjamin Smedberg, Bob Clary, Jesse Ruderman, Bob Clary, Andrew McCreight, Andreas Gal, Gary Kwong, Igor Bukanov, Jason Orendorff, Jesse Ruderman, and Marcia Knous...

USN-1185-1: Thunderbird vulnerabilities

Gary Kwong, Igor Bukanov, and Bob Clary discovered multiple memory vulnerabilities in the Gecko rendering engine. An attacker could use these to possibly execute arbitrary code with the privileges of the user invoking Thunderbird. CVE-2011-2982 It was discovered that a vulnerability in event...

USN-1074-2: Linux kernel vulnerabilities

Dan Rosenberg discovered that the RDS network protocol did not correctly check certain parameters. A local attacker could exploit this gain root privileges. CVE-2010-3904 Nelson Elhage discovered several problems with the Acorn Econet protocol driver. A local user could cause a denial of service...

USN-637-1: Linux kernel vulnerabilities

It was discovered that there were multiple NULL-pointer function dereferences in the Linux kernel terminal handling code. A local attacker could exploit this to execute arbitrary code as root, or crash the system, leading to a denial of service. CVE-2008-2812 The dochangetype routine did not...

USN-535-1: Firefox vulnerabilities

Various flaws were discovered in the layout and JavaScript engines. By tricking a user into opening a malicious web page, an attacker could execute arbitrary code with the user's privileges. CVE-2007-5336, CVE-2007-5339, CVE-2007-5340 Michal Zalewski discovered that the onUnload event handlers we...

USN-131-1: Linux kernel vulnerabilities

Colin Percival discovered an information disclosure in the "Hyper Threading Technology" architecture in processors which are capable of simultaneous multithreading in particular Intel Pentium 4, Intel Mobile Pentium 4, and Intel Xeon processors. This allows a malicious thread to monitor the...

USN-6533-1: Linux kernel (OEM) vulnerabilities

Tom Dohrmann discovered that the Secure Encrypted Virtualization SEV implementation for AMD processors in the Linux kernel contained a race condition when accessing MMIO registers. A local attacker in a SEV guest VM could possibly use this to cause a denial of service system crash or possibly...

USN-5963-1: Vim vulnerabilities

It was discovered that Vim was not properly performing memory management operations. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 22.10. CVE-2022-47024,...

USN-5894-1: curl vulnerabilities

Harry Sintonen and Tomas Hoger discovered that curl incorrectly handled TELNET connections when the -t option was used on the command line. Uninitialized data possibly containing sensitive information could be sent to the remote server, contrary to expectations. This issue was only fixed in Ubunt...

USN-5876-1: Linux kernel vulnerabilities

It was discovered that a memory leak existed in the Unix domain socket implementation of the Linux kernel. A local attacker could use this to cause a denial of service memory exhaustion. CVE-2022-3543 It was discovered that the Bluetooth HCI implementation in the Linux kernel did not properly...

USN-5854-1: Linux kernel vulnerabilities

It was discovered that an out-of-bounds write vulnerability existed in the Video for Linux 2 V4L2 implementation in the Linux kernel. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2022-20369 Pawan Kumar Gupta, Alyssa Milburn, Ami...

USN-5800-1: Heimdal vulnerabilities

It was discovered that Heimdal incorrectly handled certain SPNEGO tokens. A remote attacker could possibly use this issue to cause a denial of service. CVE-2021-44758 Evgeny Legerov discovered that Heimdal incorrectly handled memory when performing certain DES decryption operations. A remote...

USN-5640-1: Linux kernel (Oracle) vulnerabilities

It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2021-33655 Duoming...

USN-5563-1: http-parser vulnerability

It was discovered that http-parser incorrectly handled certain requests. An attacker could possibly use this issue to bypass security controls or gain unauthorized access to sensitive data...

USN-5539-1: Linux kernel vulnerabilities

It was discovered that the implementation of the 6pack and mkiss protocols in the Linux kernel did not handle detach events properly in some situations, leading to a use-after-free vulnerability. A local attacker could possibly use this to cause a denial of service system crash. CVE-2022-1195...

USN-5479-2: PHP vulnerabilities

USN-5479-1 fixed vulnerabilities in PHP. This update provides the corresponding updates for Ubuntu 16.04 ESM. Original advisory details: Charles Fol discovered that PHP incorrectly handled initializing certain arrays when handling the pgqueryparams function. A remote attacker could use this issue...

USN-5269-1: Django vulnerabilities

Keryn Knight discovered that Django incorrectly handled certain template tags. A remote attacker could possibly use this issue to perform a cross-site scripting attack. CVE-2022-22818 Alan Ryan discovered that Django incorrectly handled file uploads. A remote attacker could possibly use this issu...

USN-5163-1: Linux kernel vulnerabilities

Ilja Van Sprundel discovered that the SCTP implementation in the Linux kernel did not properly perform size validations on incoming packets in some situations. An attacker could possibly use this to expose sensitive information kernel memory. CVE-2021-3655 It was discovered that the Option USB Hi...

USN-5097-1: LedgerSMB vulnerabilities

It was discovered that LedgerSMB incorrectly handled certain inputs. An attacker could use this to leak sensitive information, cause a DoS, or execute arbitrary code. CVE-2021-3693, CVE-2021-3694, CVE-2021-3731...

USN-5032-2: Docker vulnerabilities

USN-5032-1 fixed vulnerabilities in Docker. This update provides the corresponding updates for Ubuntu 21.04. Original advisory details: Several vulnerabilities were fixed in Docker. This update provides a new upstream version that fixed them...

USN-4717-2: Firefox regression

USN-4717-1 fixed vulnerabilities in Firefox. The update caused a startup hang in some circumstances. 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 opening a specially...

USN-4666-2: lxml vulnerability

USN-4666-1 partially fixed a vulnerability in lxml, but an additional patch was needed. This update provides the corresponding additional patch in order to properly fix the vulnerability. Original advisory details: It was discovered that lxml incorrectly handled certain HTML. An attacker could...

USN-4299-1: Firefox vulnerabilities

Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, spoof the URL or other browser chrome, obtain sensitive information, bypass Content Security Policy CSP...

USN-4203-2: NSS vulnerability

USN-4203-1 fixed a vulnerability in NSS. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: It was discovered that NSS incorrectly handled certain memory operations. A remote attacker could use this issue to cause NSS to crash,...

USN-4173-1: FreeTDS vulnerability

Felix Wilhelm discovered that FreeTDS incorrectly handled certain types after a protocol downgrade. A remote attacker could use this issue to cause FreeTDS to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-4153-1: Octavia vulnerability

Daniel Preussker discovered that Octavia incorrectly handled client certificate checking. A remote attacker on the management network could possibly use this issue to perform configuration changes and obtain sensitive information...

USN-4016-2: Neovim vulnerability

It was discovered that Neovim incorrectly handled certain files. An attacker could possibly use this issue to execute arbitrary code. CVE-2019-12735...

USN-4006-1: Linux kernel vulnerability

Federico Manuel Bento discovered that the Linux kernel did not properly apply Address Space Layout Randomization ASLR in some situations for setuid a.out binaries. A local attacker could use this to improve the chances of exploiting an existing vulnerability in a setuid a.out binary. As a hardeni...

USN-3848-2: Linux kernel (Xenial HWE) vulnerabilities

USN-3848-1 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 a double free existed in the AMD GPIO driver in the Linux kerne...

USN-3691-1: OpenJDK 7 vulnerabilities

It was discovered that the Security component of OpenJDK did not correctly perform merging of multiple sections for the same file listed in JAR archive file manifests. An attacker could possibly use this to modify attributes in a manifest without invalidating the signature. CVE-2018-2790 Francesc...

USN-3565-1: Exim vulnerability

Meh Chang discovered that Exim incorrectly handled memory in certain decoding operations. A remote attacker could use this issue to cause Exim to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-3398-1: graphite2 vulnerabilities

Holger Fuhrmannek and Tyson Smith 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...

USN-3396-1: OpenJDK 7 vulnerabilities

It was discovered that the JPEGImageReader class in OpenJDK would incorrectly read unused image data. An attacker could use this to specially construct a jpeg image file that when opened by a Java application would cause a denial of service. CVE-2017-10053 It was discovered that the JAR verifier ...

USN-3392-1: Linux kernel regression

USN-3378-1 fixed vulnerabilities in the Linux kernel. Unfortunately, a regression was introduced that prevented conntrack from working correctly in some situations. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Fan Wu and Shixiong Zhao discovered a...

USN-3342-1: Linux kernel vulnerabilities

USN 3326-1 fixed a vulnerability in the Linux kernel. However, that fix introduced regressions for some Java applications. This update addresses the issue. We apologize for the inconvenience. It was discovered that a use-after-free flaw existed in the filesystem encryption subsystem in the Linux...

USN-3265-2: Linux kernel (Xenial HWE) vulnerabilities

USN-3265-1 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 a use-after-free flaw existed in the filesystem encryption...

USN-3235-1: libxml2 vulnerabilities

It was discovered that libxml2 incorrectly handled format strings. If a user or automated system were tricked into opening a specially crafted document, an attacker could possibly cause libxml2 to crash, resulting in a denial of service. This issue only affected Ubuntu 12.04 LTS, Ubuntu 14.04 LTS...

USN-3168-1: 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-3054-1: Linux kernel (Xenial HWE) vulnerabilities

Ben Hawkes discovered an integer overflow in the Linux netfilter implementation. On systems running 32 bit kernels, a local unprivileged attacker could use this to cause a denial of service system crash or possibly execute arbitrary code with administrative privileges. CVE-2016-3135 It was...