USN-2599-1: Linux kernel (Utopic HWE) vulnerability

A race condition between chown and execve was discovered in the Linux kernel. A local attacker could exploit this race by using chown on a setuid-user-binary to gain administrative privileges...

USN-2546-1: Linux kernel 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-2485-1: GNU C Library vulnerability

It was discovered that a buffer overflow existed in the gethostbyname and gethostbyname2 functions in the GNU C Library. An attacker could use this issue to execute arbitrary code or cause an application crash, resulting in a denial of service...

USN-2247-1: OpenStack Nova vulnerabilities

Darragh O'Reilly discovered that the Ubuntu packaging for OpenStack Nova did not properly set up its sudo configuration. If a different flaw was found in OpenStack Nova, this vulnerability could be used to escalate privileges. This issue only affected Ubuntu 13.10 and Ubuntu 14.04 LTS...

USN-2141-1: 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-2065-1: Linux kernel (EC2) vulnerabilities

Stephan Mueller reported an error in the Linux kernel's ansi cprng random number generator. This flaw makes it easier for a local attacker to break cryptographic protections. CVE-2013-4345 A flaw was discovered in the Linux kernel's IP Virtual Server IPVS support. A local user with the CAPNETADMI...

USN-1883-1: Linux kernel (OMAP4) vulnerabilities

Kees Cook discovered a flaw in the Linux kernel's iSCSI subsystem. A remote unauthenticated attacker could exploit this flaw to cause a denial of service system crash or potentially gain administrative privileges. CVE-2013-2850 Andy Lutomirski discover an error in the Linux kernel's credential...

USN-1791-1: Thunderbird vulnerabilities

Olli Pettay, Jesse Ruderman, Boris Zbarsky, Christian Holler, Milan Sreckovic and Joe Drew discovered multiple memory safety issues affecting Thunderbird. If the user were tricked into opening a specially crafted message with scripting enabled, an attacker could possibly exploit these to cause a...

USN-1760-1: Linux kernel (Oneiric backport) vulnerabilities

A failure to validate input was discovered in the Linux kernel's Xen netback network backend driver. A user in a guest OS may exploit this flaw to cause a denial of service to the guest OS and other guest domains. CVE-2013-0216 A memory leak was discovered in the Linux kernel's Xen netback networ...

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-1611-1: Thunderbird vulnerabilities

Henrik Skupin, Jesse Ruderman, Christian Holler, Soroush Dalili and others discovered several memory corruption flaws in Thunderbird. If a user were tricked into opening a malicious website and had JavaScript enabled, an attacker could exploit these to execute arbitrary JavaScript code within the...

USN-1457-1: Linux kernel 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 found in the Linux kernel's KVM Kernel Virtual Machine virtual cpu setup. An unprivileged local user could exploit...

USN-1403-1: FreeType vulnerabilities

Mateusz Jurczyk discovered that FreeType did not correctly handle certain malformed BDF font files. If a user were tricked into using a specially crafted font file, a remote attacker could cause FreeType to crash. CVE-2012-1126 Mateusz Jurczyk discovered that FreeType did not correctly handle...

USN-1400-3: Thunderbird vulnerabilities

USN-1400-1 fixed vulnerabilities in Firefox. This update provides the corresponding fixes for Thunderbird. Original advisory details: Soroush Dalili discovered that Firefox did not adequately protect against dropping JavaScript links onto a frame. A remote attacker could, through cross-site...

USN-1355-2: Mozvoikko update

USN-1355-1 fixed vulnerabilities in Firefox. This update provides an updated Mozvoikko package for use with the latest Firefox. Original advisory details: It was discovered that if a user chose to export their Firefox Sync key the "Firefox Recovery Key.html" file is saved with incorrect...

USN-1222-1: Firefox vulnerabilities

Benjamin Smedberg, Bob Clary, Jesse Ruderman, Bob Clary, Andrew McCreight, Andreas Gal, Gary Kwong, Igor Bukanov, Jason Orendorff, Jesse Ruderman, and Marcia Knous discovered multiple memory vulnerabilities in the browser rendering engine. An attacker could use these to possibly execute arbitrary...

USN-1219-1: Linux kernel (Maverick backport) vulnerabilities

Ryan Sweat discovered that the kernel incorrectly handled certain VLAN packets. On some systems, a remote attacker could send specially crafted traffic to crash the system, leading to a denial of service. CVE-2011-1576 Timo Warns discovered that the EFI GUID partition table was not correctly...

USN-1167-1: Linux kernel vulnerabilities

Aristide Fattori and Roberto Paleari reported a flaw in the Linux kernel's handling of IPv4 icmp packets. A remote user could exploit this to cause a denial of service. CVE-2011-1927 Goldwyn Rodrigues discovered that the OCFS2 filesystem did not correctly clear memory when writing certain file...

USN-1157-3: Firefox regression

USN-1157-1 fixed vulnerabilities in Firefox. Unfortunately, this update produced the side effect of pulling in Firefox on some systems that did not have it installed during a dist-upgrade due to changes in the Ubuntu language packs. This update fixes the problem. We apologize for the inconvenienc...

USN-1045-2: util-linux update

USN-1045-1 fixed vulnerabilities in FUSE. This update to util-linux adds support for new options required by the FUSE update. Original advisory details: It was discovered that FUSE could be tricked into incorrectly updating the mtab file when mounting filesystems. A local attacker, with access to...

USN-1005-1: poppler vulnerabilities

It was discovered that poppler contained multiple security issues when parsing malformed PDF documents. If a user or automated system were tricked into opening a crafted PDF file, an attacker could cause a denial of service or execute arbitrary code with privileges of the user invoking the progra...

USN-923-1: OpenJDK vulnerabilities

Marsh Ray and Steve Dispensa discovered a flaw in the TLS and SSLv3 protocols. If an attacker could perform a machine-in-the-middle attack at the start of a TLS connection, the attacker could inject arbitrary content at the beginning of the user's session. CVE-2009-3555 It was discovered that...

USN-803-1: dhcp vulnerability

It was discovered that the DHCP client as included in dhcp3 did not verify the length of certain option fields when processing a response from an IPv4 dhcp server. If a user running Ubuntu 6.06 LTS or 8.04 LTS connected to a malicious dhcp server, a remote attacker could cause a denial of service...

USN-741-1: Thunderbird vulnerabilities

Several flaws were discovered in the browser engine. If Javascript were enabled, an attacker could exploit these flaws to crash Thunderbird and possibly execute arbitrary code with user privileges. CVE-2009-0352 Jesse Ruderman and Gary Kwong discovered flaws in the browser engine. If a user had...

USN-662-1: Linux kernel vulnerabilities

It was discovered that the Linux kernel could be made to hang temporarily when mounting corrupted ext2/3 filesystems. If a user were tricked into mounting a specially crafted filesystem, a remote attacker could cause system hangs, leading to a denial of service. CVE-2008-3528 Anders Kaseorg...

USN-588-1: MySQL vulnerabilities

Masaaki Hirose discovered that MySQL could be made to dereference a NULL pointer. An authenticated user could cause a denial of service application crash via an EXPLAIN SELECT FROM on the INFORMATIONSCHEMA table. This issue only affects Ubuntu 6.06 and 6.10. CVE-2006-7232 Alexander Nozdrin...

USN-576-1: Firefox vulnerabilities

Various flaws were discovered in the browser and JavaScript engine. By tricking a user into opening a malicious web page, an attacker could execute arbitrary code with the user's privileges. CVE-2008-0412, CVE-2008-0413 Flaws were discovered in the file upload form control. A malicious website...

USN-571-2: X.org regression

USN-571-1 fixed vulnerabilities in X.org. The upstream fixes were incomplete, and under certain situations, applications using the MIT-SHM extension e.g. Java, wxWidgets would crash with BadAlloc X errors. This update fixes the problem. We apologize for the inconvenience. Original advisory detail...

USN-419-1: Samba vulnerabilities

A flaw was discovered in Samba's file opening code, which in certain situations could lead to an endless loop, resulting in a denial of service. CVE-2007-0452 A format string overflow was discovered in Samba's ACL handling on AFS shares. Remote users with access to an AFS share could create craft...

USN-328-1: Apache vulnerability

Mark Dowd discovered an off-by-one buffer overflow in the modrewrite module's ldap scheme handling. On systems which activate "RewriteEngine on", a remote attacker could exploit certain rewrite rules to crash Apache, or potentially even execute arbitrary code this has not been verified...

USN-95-1: Linux kernel vulnerabilities

A remote Denial of Service vulnerability was discovered in the Netfilter IP packet handler. This allowed a remote attacker to crash the machine by sending specially crafted IP packet fragments. CAN-2005-0209 The Netfilter code also contained a memory leak. Certain locally generated packet fragmen...

USN-7423-1: GNU binutils vulnerabilities

It was discovered that GNU binutils incorrectly handled certain inputs. An attacker could possibly use this issue to cause a crash, expose sensitive information or execute arbitrary code. CVE-2025-1153, CVE-2025-1182 It was discovered that ld in GNU binutils incorrectly handled certain files. An...

USN-7418-1: Ruby vulnerabilities

It was discovered that Ruby incorrectly handled parsing of an XML document that has specific XML characters in an attribute value using REXML gem. An attacker could use this issue to cause Ruby to crash, resulting in a denial of service. This issue only affected in Ubuntu 22.04 LTS, Ubuntu 24.04...

USN-7412-1: GnuPG vulnerability

It was discovered that GnuPG incorrectly handled importing keys with certain crafted subkey data. If a user or automated system were tricked into importing a specially crafted key, a remote attacker may prevent users from importing other keys in the future...

USN-7361-1: Libxslt vulnerability

Ivan Fratric discovered that Libxslt incorrectly handled certain memory operations when handling documents. A remote attacker could use this issue to cause Libxslt to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-6979-1: Linux kernel (Raspberry Pi) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - M68K architecture; - User-Mode Linux UML; - x86 architecture; - Accessibility subsystem; -...

USN-6919-1: Linux kernel vulnerabilities

Ziming Zhang discovered that the DRM driver for VMware Virtual GPU did not properly handle certain error conditions, leading to a NULL pointer dereference. A local attacker could possibly trigger this vulnerability to cause a denial of service. CVE-2022-38096 It was discovered that the ATA over...

USN-6460-1: Linux kernel vulnerabilities

It was discovered that the IPv6 implementation in the Linux kernel contained a high rate of hash collisions in connection lookup table. A remote attacker could use this to cause a denial of service excessive CPU consumption. CVE-2023-1206 It was discovered that the Broadcom FullMAC USB WiFi drive...

USN-6456-1: 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-2023-5722, CVE-2023-5724,...

USN-6416-1: Linux kernel vulnerabilities

It was discovered that the IPv6 implementation in the Linux kernel contained a high rate of hash collisions in connection lookup table. A remote attacker could use this to cause a denial of service excessive CPU consumption. CVE-2023-1206 Daniel Trujillo, Johannes Wikner, and Kaveh Razavi...

USN-6409-1: GNU C Library vulnerabilities

It was discovered that the GNU C Library incorrectly handled the GLIBCTUNABLES environment variable. An attacker could possibly use this issue to perform a privilege escalation attack. CVE-2023-4911 It was discovered that the GNU C Library incorrectly handled certain DNS responses when the system...

USN-6347-1: Linux kernel (Azure CVM) vulnerabilities

William Zhao discovered that the Traffic Control TC subsystem in the Linux kernel did not properly handle network packet retransmission in certain situations. A local attacker could use this to cause a denial of service kernel deadlock. CVE-2022-4269 It was discovered that the NTFS file system...

USN-6318-1: Linux kernel vulnerabilities

Daniel Moghimi discovered that some IntelR Processors did not properly clear microarchitectural state after speculative execution of various instructions. A local unprivileged user could use this to obtain to sensitive information. CVE-2022-40982 Tavis Ormandy discovered that some AMD processors...

USN-6301-1: Linux kernel vulnerabilities

It was discovered that the netlink implementation in the Linux kernel did not properly validate policies when parsing attributes in some situations. An attacker could use this to cause a denial of service infinite recursion. CVE-2020-36691 Billy Jheng Bing Jhong discovered that the CIFS network...

USN-6228-1: Linux kernel 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-6188-1: OpenSSL vulnerability

Matt Caswell discovered that OpenSSL incorrectly handled certain ASN.1 object identifiers. A remote attacker could possibly use this issue to cause OpenSSL to consume resources, resulting in a denial of service...

USN-6167-1: QEMU vulnerabilities

It was discovered that QEMU did not properly manage the guest drivers when shared buffers are not allocated. A malicious guest driver could use this issue to cause QEMU to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 20.04 LTS, Ubunt...

USN-6093-1: Linux kernel (BlueField) vulnerabilities

It was discovered that the Traffic-Control Index TCINDEX implementation in the Linux kernel did not properly perform filter deactivation in some situations. A local attacker could possibly use this to gain elevated privileges. Please note that with the fix for this CVE, kernel support for the...

USN-6015-1: 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, obtain sensitive information, bypass security restrictions, cross-site tracing,...

USN-5993-1: Samba vulnerabilities

Demi Marie Obenour discovered that the Samba LDAP server incorrectly handled certain confidential attribute values. A remote authenticated attacker could possibly use this issue to obtain certain sensitive information. CVE-2023-0614 Andrew Bartlett discovered that the Samba AD DC admin tool...