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-4650-1: QEMU vulnerabilities

Alexander Bulekov discovered that QEMU incorrectly handled SDHCI device emulation. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service, or possibly execute arbitrary code on the host. In the default installation, when QEMU is used with libvir...

USN-4409-1: Samba vulnerabilities

Andrew Bartlett discovered that Samba incorrectly handled certain LDAP queries. A remote attacker could use this issue to cause Samba to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 18.04 LTS, Ubuntu 19.10 and Ubuntu 20.04 LTS...

LSN-0066-1: Kernel Live Patch Security Notice

It was discovered that the virtual terminal implementation in the Linux kernel did not properly handle resize events. A local attacker could use this to expose sensitive information. CVE-2020-8647 It was discovered that the virtual terminal implementation in the Linux kernel contained a race...

USN-4295-1: Rake vulnerability

It was discovered that Rake incorrectly handled certain files. An attacker could use this issue to possibly execute arbitrary commands...

USN-4287-1: Linux kernel vulnerabilities

It was discovered that the Linux kernel did not properly clear data structures on context switches for certain Intel graphics processors. A local attacker could use this to expose sensitive information. CVE-2019-14615 It was discovered that the Atheros 802.11ac wireless USB device driver in the...

USN-4276-1: Yubico PIV Tool vulnerabilities

It was discovered that libykpiv, a supporting library of the Yubico PIV Tool and YubiKey PIV Manager, mishandled specially crafted input. An attacker with a custom-made, malicious USB device could potentially execute arbitrary code on a computer running the Yubico PIV Tool or Yubikey PIV Manager...

USN-4250-2: MariaDB vulnerability

It was discovered that an unspecified vulnerability existed in the C API component of MariaDB. An attacker could use this to cause a denial of service for MariaDB clients. MariaDB has been updated to 10.3.22 in Ubuntu 19.10 and 10.1.44 in Ubuntu 18.04 LTS. In addition to security fixes, the updat...

USN-3908-1: Linux kernel vulnerability

Jann Horn discovered a race condition in the fork system call in the Linux kernel. A local attacker could use this to gain access to services that cache authorizations...

USN-3653-2: Linux kernel (HWE) vulnerabilities

USN-3653-1 fixed vulnerabilities and added mitigations 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 and Ken Johnson discovered that microprocessors utilizing...

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-3168-1: 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-3129-2: Linux kernel (Raspberry Pi 2) vulnerabilities

Ondrej Kozina discovered that the keyring interface in the Linux kernel contained a buffer overflow when displaying timeout events via the /proc/keys interface. A local attacker could use this to cause a denial of service system crash. CVE-2016-7042...

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-2952-1: PHP vulnerabilities

It was discovered that the PHP Zip extension incorrectly handled directories when processing certain zip files. A remote attacker could possibly use this issue to create arbitrary directories. CVE-2014-9767 It was discovered that the PHP Soap client incorrectly validated data types. A remote...

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-2647-1: 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-2522-1: ICU vulnerabilities

It was discovered that ICU incorrectly handled memory operations when processing fonts. If an application using ICU processed crafted data, an attacker could cause it to crash or potentially execute arbitrary code with the privileges of the user invoking the program. This issue only affected Ubun...

USN-2443-1: Linux kernel 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-2221-1: Linux kernel vulnerabilities

Matthew Daley reported an information leak in the floppy disk driver of the Linux kernel. An unprivileged local user could exploit this flaw to obtain potentially sensitive information from kernel memory. CVE-2014-1738 Matthew Daley reported a flaw in the handling of ioctl commands by the floppy...

USN-2134-1: 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 an error in the Linux Kernel's Kernel Virtual Machine KVM...

USN-1481-1: PHP vulnerabilities

It was discovered that PHP incorrectly handled certain Tidy::diagnose operations on invalid objects. A remote attacker could use this flaw to cause PHP to crash, leading to a denial of service. CVE-2012-0781 It was discovered that PHP incorrectly handled certain multi-file upload filenames. A...

USN-1471-1: Linux kernel (Oneiric backport) vulnerabilities

Andy Adamson discovered a flaw in the Linux kernel's NFSv4 implementation. A remote NFS server attacker could exploit this flaw to cause a denial of service. CVE-2011-4131 A flaw was discovered in the Linux kernel's KVM kernel virtual machine. An administrative user in the guest OS could leverage...

USN-1355-1: Firefox vulnerabilities

It was discovered that if a user chose to export their Firefox Sync key the "Firefox Recovery Key.html" file is saved with incorrect permissions, making the file contents potentially readable by other users. CVE-2012-0450 Nicolas Gregoire and Aki Helin discovered that when processing a malformed...

USN-1229-1: PostgreSQL vulnerability

It was discovered that the blowfish algorithm in the pgcrypto module incorrectly handled certain 8-bit characters, resulting in the password hashes being easier to crack than expected. An attacker who could obtain the password hashes would be able to recover the plaintext with less effort...

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-903-1: OpenOffice.org vulnerabilities

It was discovered that the XML HMAC signature system did not correctly check certain lengths. If an attacker sent a truncated HMAC, it could bypass authentication, leading to potential privilege escalation. CVE-2009-0217 Sebastian Apelt and Frank Reißner discovered that OpenOffice did not correct...

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-605-1: Thunderbird vulnerabilities

Various flaws were discovered in the JavaScript engine. If a user had JavaScript enabled and were tricked into opening a malicious email, an attacker could escalate privileges within Thunderbird, perform cross-site scripting attacks and/or execute arbitrary code with the user's privileges...

USN-503-1: Thunderbird vulnerabilities

Various flaws were discovered in the layout and JavaScript engines. By tricking a user into opening a malicious email, an attacker could execute arbitrary code with the user's privileges. Please note that JavaScript is disabled by default for emails, and it is not recommended to enable it...

USN-406-1: OpenOffice.org vulnerability

An integer overflow was discovered in OpenOffice.org's handling of WMF files. If a user were tricked into opening a specially crafted WMF file, an attacker could execute arbitrary code with user privileges...

USN-355-1: openssh vulnerabilities

Tavis Ormandy discovered that the SSH daemon did not properly handle authentication packets with duplicated blocks. By sending specially crafted packets, a remote attacker could exploit this to cause the ssh daemon to drain all available CPU resources until the login grace time expired...

USN-171-1: PHP4 vulnerabilities

CAN-2005-1751: The php4-dev package ships a copy of the "shtool" utility in /usr/lib/php4/build/, which provides useful functionality for developers of software packages. Eric Romang discovered that shtool created temporary files in an insecure manner. This could allow a symlink attack to create ...

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-7488-1: Python vulnerabilities

It was discovered that Python incorrectly handled parsing bracketed hosts. A remote attacker could possibly use this issue to perform a Server-Side Request Forgery SSRF attack. This issue only affected python 2.7 and python3.4 on Ubuntu 14.04 LTS; python2.7 on Ubuntu 16.04 LTS; python2.7,...

USN-6737-1: GNU C Library vulnerability

Charles Fol discovered that the GNU C Library iconv feature incorrectly handled certain input sequences. An 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-6231-1: Linux kernel (OEM) vulnerabilities

It was discovered that the XFS file system implementation in the Linux kernel did not properly perform metadata validation when mounting certain images. An attacker could use this to specially craft a file system image that, when mounted, could cause a denial of service system crash. CVE-2023-212...

USN-6060-1: 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 8.0.33 in Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 22.10, and Ubuntu 23.04. Ubuntu 18.04 LTS has been updated to MySQL 5.7.42. In addition to...

USN-6031-1: Linux kernel (OEM) vulnerabilities

It was discovered that the Traffic-Control Index TCINDEX implementation in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2023-1281 It was discovered that the Integrity...

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-5903-1: lighttpd vulnerabilities

It was discovered that lighttpd incorrectly handled certain inputs, which could result in a stack buffer overflow. A remote attacker could possibly use this issue to cause a denial of service DoS. CVE-2022-22707, CVE-2022-41556...

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-5874-1: 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-5808-1: Linux kernel (IBM) vulnerabilities

It was discovered that the NFSD implementation in the Linux kernel did not properly handle some RPC messages, leading to a buffer overflow. A remote attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2022-43945 Tamás Koczka discovered that th...

USN-5523-2: LibTIFF vulnerabilities

USN-5523-1 fixed several vulnerabilities in LibTIFF. This update provides the fixes for CVE-2022-0907, CVE-2022-0908, CVE-2022-0909, CVE-2022-0924 and CVE-2022-22844 for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. Original advisory details: It was discovered that LibTIFF was not properly perf orming...

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-5423-2: ClamAV vulnerabilities

USN-5423-1 fixed several vulnerabilities in ClamAV. This update provides the corresponding update for Ubuntu 14.04 ESM and 16.04 ESM. Original advisory details: Michał Dardas discovered that ClamAV incorrectly handled parsing CHM files. A remote attacker could possibly use this issue to cause...

USN-5141-1: Firejail vulnerability

Roman Fiedler discovered that a race condition existed in Firejail when using OverlayFS to prevent writes to the underlying file system. A local attacker could use this to gain administrative privileges. Note: this update disables support for OverlayFS in Firejail...

USN-5111-1: strongSwan vulnerabilities

It was discovered that strongSwan incorrectly handled certain RSASSA-PSS signatures. A remote attacker could use this issue to cause strongSwan to crash, resulting in a denial of service. CVE-2021-41990 It was discovered that strongSwan incorrectly handled replacing certificates in the cache. A...