USN-3752-1: Linux kernel vulnerabilities

It was discovered that, when attempting to handle an out-of-memory situation, a null pointer dereference could be triggered in the Linux kernel in some circumstances. A local attacker could use this to cause a denial of service system crash. CVE-2018-1000200 Wen Xu discovered that the XFS...

USN-3641-1: Linux kernel vulnerabilities

Nick Peterson discovered that the Linux kernel did not properly handle debug exceptions following a MOV/POP to SS instruction. A local attacker could use this to cause a denial of service system crash. This issue only affected the amd64 architecture. CVE-2018-8897 Andy Lutomirski discovered that...

USN-3614-1: OpenJDK 7 vulnerabilities

It was discovered that a race condition existed in the cryptography implementation in OpenJDK. An attacker could possibly use this to expose sensitive information. CVE-2018-2579 It was discovered that the LDAP implementation in OpenJDK did not properly encode login names. A remote attacker could...

USN-3425-1: Apache HTTP Server vulnerability

Hanno Böck discovered that the Apache HTTP Server incorrectly handled Limit directives in .htaccess files. In certain configurations, a remote attacker could possibly use this issue to read arbitrary server memory, including sensitive information. This issue is known as Optionsbleed...

USN-2417-1: 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-2139-1: Linux kernel (OMAP4) 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-1938-1: Linux kernel vulnerabilities

Vasily Kulikov discovered a flaw in the Linux Kernel's perf tool that allows specified to be run as root. A local could exploit this flaw to run commands as root when using the perf tool. user could exploit this CVE-2013-1060 A flaw was discovered in the Xen subsystem of the Linux kernel when it...

USN-1437-1: PHP vulnerability

It was discovered that PHP, when used as a stand alone CGI processor for the Apache Web Server, did not properly parse and filter query strings. This could allow a remote attacker to execute arbitrary code running with the privilege of the web server. Configurations using modphp5 and FastCGI were...

USN-1353-1: Xulrunnner vulnerabilities

Jesse Ruderman and Bob Clary discovered memory safety issues affecting the Gecko Browser engine. If the user were tricked into opening a specially crafted page, an attacker could exploit these to cause a denial of service via application crash, or potentially execute code with the privileges of t...

USN-1187-1: Linux kernel (Maverick backport) vulnerabilities

It was discovered that KVM did not correctly initialize certain CPU registers. A local attacker could exploit this to crash the system, leading to a denial of service. CVE-2010-3698 Thomas Pollet discovered that the RDS network protocol did not check certain iovec buffers. A local attacker could...

USN-1000-1: 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 Al Viro discovered a race condition in the TTY driver. A local attacker could exploit this to crash the system, leading to a...

USN-804-1: PulseAudio vulnerability

Tavis Ormandy, Julien Tinnes, and Yorick Koster discovered that PulseAudio did not safely re-execute itself. A local attacker could exploit this to gain root privileges...

USN-178-1: Linux kernel vulnerabilities

Oleg Nesterov discovered a local Denial of Service vulnerability in the timer handling. When a non group-leader thread called exec to execute a different program while an itimer was pending, the timer expiry would signal the old group leader task, which did not exist any more. This caused a kerne...

USN-6254-1: Linux kernel vulnerabilities

Jordy Zomer and Alexandra Sandulescu discovered that syscalls invoking the doprlimit function in the Linux kernel did not properly handle speculative execution barriers. A local attacker could use this to expose sensitive information kernel memory. CVE-2023-0458 It was discovered that a race...

USN-5873-1: Go Text vulnerabilities

It was discovered that Go Text incorrectly handled certain encodings. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. CVE-2020-14040 It was discovered that Go Text incorrectly handled certain BCP 47 language...

USN-5862-1: Linux kernel (Qualcomm Snapdragon) 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-5853-1: Linux kernel vulnerabilities

It was discovered that the Broadcom FullMAC USB WiFi driver in the Linux kernel did not properly perform bounds checking in some situations. A physically proximate attacker could use this to craft a malicious USB device that when inserted, could cause a denial of service system crash or possibly...

USN-5803-1: Linux kernel vulnerabilities

Kyle Zeng discovered that the sysctl implementation in the Linux kernel contained a stack-based buffer overflow. A local attacker could use this to cause a denial of service system crash or execute arbitrary code. CVE-2022-4378 Tamás Koczka discovered that the Bluetooth L2CAP handshake...

USN-5628-2: etcd vulnerabilities

USN-5628-1 fixed vulnerabilities in etcd. This update provides the corresponding updates for Ubuntu 18.04 ESM. Original advisory details: It was discovered that etcd incorrectly handled certain specially crafted WAL files. An attacker could possibly use this issue to cause a denial of service...

USN-5169-1: oddjob vulnerability

Matthias Gerstner discovered that there was a race condition in the mkhomedir tool shipped with the oddjob package. An authenticated attacker could use this to setup a symlink attack and change permissions on files on the host filesystem...

USN-5417-1: Linux kernel vulnerabilities

Ke Sun, Alyssa Milburn, Henrique Kawakami, Emma Benoit, Igor Chervatyuk, Lisa Aichele, and Thais Moreira Hamasaki discovered that the Spectre Variant 2 mitigations for AMD processors on Linux were insufficient in some situations. A local attacker could possibly use this to expose sensitive...

USN-5354-1: Twisted vulnerabilities

It was discovered that Twisted incorrectly filtered HTTP headers when clients are being redirected to another origin. A remote attacker could use this issue to obtain sensitive information. CVE-2022-21712 It was discovered that Twisted incorrectly processed SSH handshake data on connection...

USN-5323-1: NBD vulnerabilities

It was discovered that NBD incorrectly handled name length fields. A remote attacker could use this issue to cause NBD to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-5243-2: AIDE vulnerability

USN-5243-1 fixed a vulnerability in aide. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: David Bouman discovered that AIDE incorrectly handled base64 operations. A local attacker could use this issue to cause AIDE to crash,...

USN-5234-1: Byobu vulnerability

Sander Bos discovered that Byobu incorrectly handled certain Apport data. An attacker could possibly use this issue to expose sensitive information...

USN-5158-1: ImageMagick vulnerabilities

It was discovered that ImageMagick incorrectly handled certain values when processing visual effects based image files. By tricking a user into opening a specially crafted image file, an attacker could crash the application causing a denial of service. CVE-2021-20244 It was discovered that...

USN-4599-1: 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 prompt for opening an external application, obtain sensitive information, or execute arbitrary...

USN-4486-1: Linux kernel vulnerability

Wen Xu discovered that the XFS filesystem implementation in the Linux kernel did not properly validate meta-data information. An attacker could use this to construct a malicious xfs image that, when mounted, could cause a denial of service system crash...

USN-4082-2: Subversion vulnerabilities

USN-4082-1 fixed several vulnerabilities in Subversion. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: Ace Olszowka discovered that Subversion incorrectly handled certain svnserve requests. A remote attacker could possibly use this issue to cause...

USN-4073-1: libEBML vulnerability

It was discovered that libEBML incorrectly handled certain media files. If a user were tricked into opening a specially crafted media file, libEBML could possibly be made to crash, resulting in a denial of service...

USN-3902-2: PHP vulnerabilities

USN-3902-1 fixed a vulnerability in PHP. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that the PHP XML-RPC module incorrectly handled decoding XML data. A remote attacker could possibly use this issue to cause PHP to crash,...

USN-3861-2: PolicyKit vulnerability

USN-3861-1 fixed a vulnerability in PolicyKit. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that PolicyKit incorrectly handled certain large user UIDs. A local attacker with a large UID could possibly use this issue to perform...

USN-3725-1: 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 5.5.61 in Ubuntu 14.04 LTS. Ubuntu 16.04 LTS and Ubuntu 18.04 LTS have been updated to MySQL 5.7.23. In addition to security fixes, the updated...

USN-3692-1: OpenSSL vulnerabilities

Keegan Ryan discovered that OpenSSL incorrectly handled ECDSA key generation. An attacker could possibly use this issue to perform a cache-timing attack and recover private ECDSA keys. CVE-2018-0495 Guido Vranken discovered that OpenSSL incorrectly handled very large prime values during a key...

USN-3598-1: curl vulnerabilities

Phan Thanh discovered that curl incorrectly handled certain FTP paths. An attacker could use this to cause a denial of service or possibly execute arbitrary code. CVE-2018-1000120 Dario Weisser discovered that curl incorrectly handled certain LDAP URLs. An attacker could possibly use this issue t...

USN-3560-1: QEMU update

It was discovered that microprocessors utilizing speculative execution and branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Spectre. An attacker in the guest could use this to expose sensitive guest information, including kernel memory. This...

USN-3540-1: Linux kernel 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. This update provide...

USN-2965-4: Linux kernel (Qualcomm Snapdragon) vulnerability

Jann Horn discovered that the extended Berkeley Packet Filter eBPF implementation in the Linux kernel did not properly reference count file descriptors, leading to a use-after-free. A local unprivileged attacker could use this to gain administrative privileges. Ralf Spenneberg discovered that the...

USN-2585-1: Linux kernel vulnerability

It was discovered that the Linux kernel's IPv6 networking stack has a flaw that allows using route advertisement RA messages to set the 'hoplimit' to values that are too low. An unprivileged attacker on a local network could exploit this flaw to cause a denial of service IPv6 messages dropped...

USN-2420-1: Linux kernel vulnerabilities

A flaw was discovered in how the Linux kernel's KVM Kernel Virtual Machine subsystem handles the CR4 control register at VM entry on Intel processors. A local host OS user can exploit this to cause a denial of service kill arbitrary processes, or system disruption by leveraging /dev/kvm access...

USN-2260-1: Linux kernel (Trusty HWE) vulnerabilities

A flaw was discovered in the Linux kernel's pseudo tty pty device. An unprivileged user could exploit this flaw to cause a denial of service system crash or potentially gain administrator privileges. CVE-2014-0196 Pinkie Pie discovered a flaw in the Linux kernel's futex subsystem. An unprivileged...

USN-1613-1: Python 2.5 vulnerabilities

It was discovered that Python would prepend an empty string to sys.path under certain circumstances. A local attacker with write access to the current working directory could exploit this to execute arbitrary code. CVE-2008-5983 It was discovered that the audioop module did not correctly perform...

USN-1085-2: tiff regression

USN-1085-1 fixed vulnerabilities in the system TIFF library. The upstream fixes were incomplete and created problems for certain CCITTFAX4 files. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Sauli Pahlman discovered that the TIFF library incorrectl...

USN-6701-3: Linux kernel vulnerabilities

Ruihan Li discovered that the bluetooth subsystem in the Linux kernel did not properly perform permissions checks when handling HCI sockets. A physically proximate attacker could use this to cause a denial of service bluetooth communication. CVE-2023-2002 It was discovered that the NVIDIA Tegra...

USN-6350-1: Linux kernel vulnerabilities

It was discovered that the NTFS file system implementation in the Linux kernel did not properly validate MFT flags in certain situations. An attacker could use this to construct a malicious NTFS image that, when mounted and operated on, could cause a denial of service system crash. CVE-2022-48425...

USN-6092-1: Linux kernel (Azure) vulnerabilities

Jordy Zomer and Alexandra Sandulescu discovered that the Linux kernel did not properly implement speculative execution barriers in usercopy functions in certain situations. A local attacker could use this to expose sensitive information kernel memory. CVE-2023-0459 Xingyuan Mo discovered that the...

USN-6081-1: Linux kernel vulnerabilities

Jordy Zomer and Alexandra Sandulescu discovered that the Linux kernel did not properly implement speculative execution barriers in usercopy functions in certain situations. A local attacker could use this to expose sensitive information kernel memory. CVE-2023-0459 Xingyuan Mo discovered that the...

USN-5956-2: PHPMailer vulnerability

USN-5956-1 fixed vulnerabilities in PHPMailer. It was discovered that the fix for CVE-2017-11503 was incomplete. This update fixes the problem. Original advisory details: Dawid Golunski discovered that PHPMailer was not properly escaping user input data used as arguments to functions executed by...

USN-5896-1: Rack vulnerabilities

It was discovered that Rack was not properly parsing data when processing multipart POST requests. If a user or automated system were tricked into sending a specially crafted multipart POST request to an application using Rack, a remote attacker could possibly use this issue to cause a denial of...

USN-5877-1: Linux kernel (GKE) vulnerabilities

Kyle Zeng discovered that the sysctl implementation in the Linux kernel contained a stack-based buffer overflow. A local attacker could use this to cause a denial of service system crash or execute arbitrary code. CVE-2022-4378 Tamás Koczka discovered that the Bluetooth L2CAP handshake...