USN-1146-1: Linux kernel vulnerabilities

Kees Cook discovered that some ethtool functions did not correctly clear heap memory. A local attacker with CAPNETADMIN privileges could exploit this to read portions of kernel heap memory, leading to a loss of privacy. CVE-2010-4655 Kees Cook discovered that the IOWarrior USB device driver did n...

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-947-2: Linux kernel regression

USN-947-1 fixed vulnerabilities in the Linux kernel. Fixes for CVE-2010-0419 caused failures when using KVM in certain situations. This update reverts that fix until a better solution can be found. We apologize for the inconvenience. Original advisory details: It was discovered that the Linux...

USN-890-2: Python 2.5 vulnerabilities

USN-890-1 fixed vulnerabilities in Expat. This update provides the corresponding updates for the PyExpat module in Python 2.5. Original advisory details: Jukka Taimisto, Tero Rontti and Rauli Kaksonen discovered that Expat did not properly process malformed XML. If a user or application linked...

USN-618-1: Linux kernel vulnerabilities

It was discovered that the ALSA /proc interface did not write the correct number of bytes when reporting memory allocations. A local attacker might be able to access sensitive kernel memory, leading to a loss of privacy. CVE-2007-4571 Multiple buffer overflows were discovered in the handling of...

USN-547-1: PCRE vulnerabilities

Tavis Ormandy and Will Drewry discovered multiple flaws in the regular expression handling of PCRE. By tricking a user or service into running specially crafted expressions via applications linked against libpcre3, a remote attacker could crash the application, monopolize CPU resources, or possib...

USN-6534-1: Linux kernel vulnerabilities

It was discovered that the USB subsystem in the Linux kernel contained a race condition while handling device descriptors in certain situations, leading to a out-of-bounds read vulnerability. A local attacker could possibly use this to cause a denial of service system crash. CVE-2023-37453 Lin Ma...

USN-6078-2: libwebp vulnerability

USN-6078-1 fixed a vulnerability in libwebp. This update provides the corresponding update for Ubuntu 16.04 LTS. Original advisory details: Irvan Kurniawan discovered that libwebp incorrectly handled certain memory operations. If a user or automated system were tricked into opening a specially...

USN-6201-1: Firefox vulnerabilities

Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information across domains, or execute arbitrary code. CVE-2023-37201, CVE-2023-37202,...

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-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-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-5836-1: 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. CVE-2022-47024, CVE-2023-0049, CVE-2023-0054, CVE-2023-0288, CVE-2023-0433...

USN-5570-2: zlib vulnerability

USN-5570-1 fixed a vulnerability in zlib. This update provides the corresponding update for Ubuntu 22.04 LTS and Ubuntu 20.04 LTS. Original advisory details: Evgeny Legerov discovered that zlib incorrectly handled memory when performing certain inflate operations. An attacker could use this issue...

USN-5567-1: Linux kernel (OEM) vulnerabilities

Zhenpeng Lin discovered that the network packet scheduler implementation in the Linux kernel did not properly remove all references to a route filter before freeing it in some situations. A local attacker could use this to cause a denial of service system crash or execute arbitrary code...

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-5530-1: PHP vulnerability

It was discovered that PHP incorrectly handled certain memory operations when obtaining file information. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-5493-1: Linux kernel vulnerability

It was discovered that the 8 Devices USB2CAN interface implementation in the Linux kernel did not properly handle certain error conditions, leading to a double-free. A local attacker could possibly use this to cause a denial of service system crash...

USN-5405-1: jbig2dec vulnerabilities

It was discovered that jbig2dec incorrectly handled memory when parsing invalid files. An attacker could use this issue to cause jbig2dec to crash, leading to a denial of service. CVE-2017-9216 It was discovered that jbig2dec incorrectly handled memory when processing untrusted input. An attacker...

USN-5393-1: Thunderbird vulnerabilities

Multiple security issues were discovered in Thunderbird. If a user were tricked into opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, conduct spoofing attacks, or execute arbitrary code. CVE-2022-1097,...

USN-5309-1: virglrenderer vulnerabilities

It was discovered that virglrenderer incorrectly handled memory. An attacker inside a guest could use this issue to cause virglrenderer to crash, resulting in a denial of service, or possibly execute arbitrary code. CVE-2022-0135 It was discovered that virglrenderer incorrectly initialized memory...

USN-5276-1: NVIDIA graphics drivers vulnerabilities

It was discovered that the NVIDIA graphics drivers incorrectly handled permissions in the kernel mode layer. A local attacker could use this issue to write to protected memory and cause a denial of service...

USN-5043-2: Exiv2 regression

USN-5043-1 fixed vulnerabilities in Exiv2. The update introduced a new regression that could cause a crash in applications using libexiv2. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that Exiv2 incorrectly handled certain image...

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...

USN-5110-1: Ardour vulnerability

It was discovered that Ardour incorrectly handled certain XML files. An attacker could possibly use this issue to cause a crash or execute arbitrary code...

USN-5098-1: bl vulnerability

It was discovered that bl didn't properly sanitize the inputs. An attacker could use this to leak sensitive information...

LSN-0077-1: Kernel Live Patch Security Notice

Vincent Dehors discovered that the shiftfs file system in the Ubuntu Linux kernel did not properly handle faults in copyfromuser when passing through ioctls to an underlying file system. A local attacker could use this to cause a denial of service memory exhaustion or execute arbitrary...

USN-4633-1: PostgreSQL vulnerabilities

Peter Eisentraut discovered that PostgreSQL incorrectly handled connection security settings. Client applications could possibly be connecting with certain security parameters dropped, contrary to expectations. CVE-2020-25694 Etienne Stalmans discovered that PostgreSQL incorrectly handled the...

USN-4597-1: mod_auth_mellon vulnerabilities

François Kooman discovered that modauthmellon incorrectly handled cookies. An attacker could possibly use this issue to cause a Cross-Site Session Transfer attack. CVE-2017-6807 It was discovered that modauthmellon incorrectly handled certain requests. An attacker could possibly use this issue to...

USN-4591-1: Linux kernel vulnerabilities

Andy Nguyen discovered that the Bluetooth L2CAP implementation in the Linux kernel contained a type-confusion error. A physically proximate remote attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2020-12351 Andy Nguyen discovered that the...

USN-4494-1: GUPnP vulnerability

It was discovered that GUPnP incorrectly handled certain subscription requests. A remote attacker could possibly use this issue to exfiltrate data or use GUPnP to perform DDoS attacks...

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-4182-1: Intel Microcode update

Stephan van Schaik, Alyssa Milburn, Sebastian Österlund, Pietro Frigo, Kaveh Razavi, Herbert Bos, Cristiano Giuffrida, Giorgi Maisuradze, Moritz Lipp, Michael Schwarz, Daniel Gruss, and Jo Van Bulck discovered that Intel processors using Transactional Synchronization Extensions TSX could expose...

USN-4107-1: GIFLIB vulnerabilities

It was discovered that GIFLIB incorrectly handled certain GIF files. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS. CVE-2016-3977 It was discovered that GIFLIB incorrectly handled certain GIF files. An attacker could possibly use...

USN-3953-2: PHP vulnerabilities

USN-3953-1 fixed several vulnerabilities in PHP. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: It was discovered that PHP incorrectly handled certain exif tags in JPEG images. A remote attacker could use this issue to cause PHP...

USN-3857-1: PEAR vulnerability

Fariskhi Vidyan discovered that PEAR ArchiveTar incorrectly handled certain archive paths. A remote attacker could possibly use this issue to execute arbitrary code...

USN-3633-1: Linux kernel (Intel Euclid) vulnerability

Jann Horn discovered that the Berkeley Packet Filter BPF implementation in the Linux kernel improperly performed sign extension in some situations. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code...

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-3382-2: PHP vulnerabilities

USN-3382-1 fixed several vulnerabilities in PHP. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that the PHP URL parser incorrectly handled certain URI components. A remote attacker could possibly use this issue to bypass...

USN-3391-2: Ubufox update

USN-3391-1 fixed vulnerabilities in Firefox. This update provides the corresponding update for Ubufox. Original advisory details: 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...

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-3313-2: Linux kernel (HWE) vulnerability

USN-3313-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.10. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 16.10 for Ubuntu 16.04 LTS. It was discovered that a buffer overflow existed in the trace subsystem in the Linux kernel. A...

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-3131-1: ImageMagick vulnerabilities

It was discovered that ImageMagick incorrectly handled certain malformed image files. If a user or automated system using ImageMagick were tricked into opening a specially crafted image, an attacker could exploit this to cause a denial of service or possibly execute code with the privileges of th...

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...

USN-2887-1: Linux kernel vulnerabilities

It was discovered that a use-after-free vulnerability existed in the AFUNIX implementation in the Linux kernel. A local attacker could use crafted epollctl calls to cause a denial of service system crash or expose sensitive information. CVE-2013-7446 It was discovered that the KVM implementation ...

USN-2884-1: OpenJDK 7 vulnerabilities

Multiple vulnerabilities were discovered in the OpenJDK JRE related to information disclosure, data integrity, and availability. An attacker could exploit these to cause a denial of service, expose sensitive data over the network, or possibly execute arbitrary code. CVE-2016-0483, CVE-2016-0494 A...

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-2535-1: PHP vulnerabilities

Thomas Jarosch discovered that PHP incorrectly limited recursion in the fileinfo extension. A remote attacker could possibly use this issue to cause PHP to consume resources or crash, resulting in a denial of service. CVE-2014-8117 S. Paraschoudis discovered that PHP incorrectly handled memory in...

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...