USN-2448-2: Linux kernel regression

USN-2448-1 fixed vulnerabilities in the Linux kernel. Due to an unrelated regression TCP Throughput drops to zero for several drivers after upgrading. This update fixes the problem. We apologize for the inconvenience. Original advisory details: An information leak in the Linux kernel was discover...

USN-2447-1: Linux kernel (Utopic HWE) 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-2396-1: 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-2388-1: OpenJDK 7 vulnerabilities

A vulnerability was discovered in the OpenJDK JRE related to information disclosure and data integrity. An attacker could exploit this to expose sensitive data over the network. CVE-2014-6457 Several vulnerabilities were discovered in the OpenJDK JRE related to data integrity. CVE-2014-6502,...

USN-2356-1: Linux kernel vulnerabilities

Jack Morgenstein reported a flaw in the page handling of the KVM Kerenl Virtual Machine subsystem in the Linux kernel. A guest OS user could exploit this flaw to cause a denial of service host OS memory corruption or possibly have other unspecified impact on the host OS. CVE-2014-3601 Chris Evans...

USN-2354-1: Linux kernel vulnerabilities

Chris Evans reported an flaw in the Linux kernel's handling of iso9660 compact disk filesystem images. An attacker who can mount a custom iso9660 image either via a CD/DVD drive or a loopback mount could cause a denial of service system crash or reboot. CVE-2014-5471 Chris Evans reported an flaw ...

USN-2314-1: Linux kernel vulnerability

An flaw was discovered in the Linux kernel's audit subsystem when auditing certain syscalls. A local attacker could exploit this flaw to obtain potentially sensitive single-bit values from kernel memory or cause a denial of service OOPS...

USN-2254-1: PHP vulnerabilities

Christian Hoffmann discovered that the PHP FastCGI Process Manager FPM set incorrect permissions on the UNIX socket. A local attacker could use this issue to possibly elevate their privileges. This issue only affected Ubuntu 12.04 LTS, Ubuntu 13.10, and Ubuntu 14.04 LTS. CVE-2014-0185 Francisco...

USN-2232-2: OpenSSL regression

USN-2232-1 fixed vulnerabilities in OpenSSL. The upstream fix for CVE-2014-0224 caused a regression for certain applications that use tlssessionsecretcb, such as wpasupplicant. This update fixes the problem. Original advisory details: Jüri Aedla discovered that OpenSSL incorrectly handled invalid...

USN-2237-1: Linux kernel (Quantal HWE) vulnerability

Pinkie Pie discovered a flaw in the Linux kernel's futex subsystem. An unprivileged local user could exploit this flaw to cause a denial of service system crash or gain administrative privileges...

USN-2230-1: chkrootkit vulnerability

Thomas Stangner discovered that chkrootkit incorrectly quoted certain values. A local attacker could use this issue to execute arbitrary code when chkrootkit is run and gain root privileges...

USN-2214-1: libxml2 vulnerability

Daniel Berrange discovered that libxml2 would incorrectly perform entity substitution even when requested not to. If a user or automated system were tricked into opening a specially crafted document, an attacker could possibly cause resource consumption, resulting in a denial of service...

USN-2158-1: Linux kernel (Raring HWE) 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 Nico Golde and Fabian Yamaguchi reported buffer underflow errors in the implementation of the XFS filesystem...

USN-2119-1: Thunderbird vulnerabilities

Christian Holler, Terrence Cole, Jesse Ruderman, Gary Kwong, Eric Rescorla, Jonathan Kew, Dan Gohman, Ryan VanderMeulen and Sotaro Ikeda discovered multiple memory safety issues in Thunderbird. If a user were tricked in to opening a specially crafted message with scripting enabled, an attacker...

USN-2069-1: Linux kernel (Raring HWE) vulnerabilities

Hannes Frederic Sowa discovered a flaw in the Linux kernel's UDP Fragmentation Offload UFO. An unprivileged local user could exploit this flaw to cause a denial of service system crash or possibly gain administrative privileges. CVE-2013-4470 Multiple integer overflow flaws were discovered in the...

USN-1983-1: Python 2.7 vulnerabilities

Florian Weimer discovered that Python incorrectly handled matching multiple wildcards in ssl certificate hostnames. An attacker could exploit this to cause Python to consume resources, resulting in a denial of service. This issue only affected Ubuntu 13.04. CVE-2013-2099 Ryan Sleevi discovered th...

USN-1944-1: Linux kernel vulnerabilities

A denial of service flaw was discovered in the Btrfs file system in the Linux kernel. A local user could cause a denial of service by creating a large number of files with names that have the same CRC32 hash value. CVE-2012-5374 A denial of service flaw was discovered in the Btrfs file system in...

USN-1825-1: Linux kernel vulnerability

An flaw was discovered in the Linux kernel's perfevents interface. A local user could exploit this flaw to escalate privileges on the system...

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-1700-2: Linux kernel (OMAP4) regression

USN-1700-1 fixed vulnerabilities in the Linux kernel. Due to an unrelated regression inotify/fanotify stopped working after upgrading. This update fixes the problem. We apologize for the inconvenience. Original advisory details: A flaw was discovered in the Linux kernel's handling of script...

USN-1575-1: Linux kernel (Oneiric backport) vulnerabilities

Ben Hutchings reported a flaw in the Linux kernel with some network drivers that support TSO TCP segment offload. A local or peer user could exploit this flaw to to cause a denial of service. CVE-2012-3412 Jay Fenlason and Doug Ledford discovered a bug in the Linux kernel implementation of RDS...

USN-1562-1: Linux kernel (Natty backport) vulnerability

Some errors where discovered in the Linux kernel's UDF file system, which is used to mount some CD-ROMs and DVDs. An unprivileged local user could use these flaws to crash the system...

USN-1539-1: Linux kernel (Oneiric backport) vulnerabilities

An error was discovered in the Linux kernel's network TUN/TAP device implementation. A local user with access to the TUN/TAP interface which is not available to unprivileged users until granted by a root user could exploit this flaw to crash the system or potential gain administrative privileges...

USN-1458-1: Linux kernel (OMAP4) vulnerabilities

A flaw was found in the Linux's kernels ext4 file system when mounted with a journal. A local, unprivileged user could exploit this flaw to cause a denial of service. CVE-2011-4086 A flaw was discovered in the Linux kernel's cifs file system. An unprivileged local user could exploit this flaw to...

USN-1426-1: Linux kernel (EC2) vulnerabilities

Sasha Levin discovered a flaw in the permission checking for device assignments requested via the kvm ioctl in the Linux kernel. A local user could use this flaw to crash the system causing a denial of service. CVE-2011-4347 Stephan Bärwolf discovered a flaw in the KVM kernel-based virtual machin...

USN-1394-1: linux-ti-omap4 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 Vegard Nossum discovered a leak in the kernel's inotifyinit system call. A local, unprivileged user could exploit...

USN-1291-1: Linux kernel vulnerabilities

A bug was discovered in the XFS filesystem's handling of pathnames. A local attacker could exploit this to crash the system, leading to a denial of service, or gain root privileges. CVE-2011-4077 A flaw was found in the Journaling Block Device JBD. A local attacker able to mount ext3 or ext4 file...

USN-1183-1: Linux kernel vulnerabilities

Dan Rosenberg discovered that multiple terminal ioctls did not correctly initialize structure memory. A local attacker could exploit this to read portions of kernel stack memory, leading to a loss of privacy. CVE-2010-4076, CVE-2010-4077 Neil Horman discovered that NFSv4 did not correctly handle...

USN-1170-1: Linux kernel vulnerabilities

Dan Rosenberg discovered that multiple terminal ioctls did not correctly initialize structure memory. A local attacker could exploit this to read portions of kernel stack memory, leading to a loss of privacy. CVE-2010-4076, CVE-2010-4077 It was discovered that Xen did not correctly handle certain...

USN-1157-1: Firefox vulnerabilities

Bob Clary, Kevin Brosnan, Gary Kwong, Jesse Ruderman, Christian Biesinger, Bas Schouten, Igor Bukanov, Bill McCloskey, Olli Pettay, Daniel Veditz and Marcia Knous discovered multiple memory vulnerabilities in the browser rendering engine. An attacker could possibly execute arbitrary code with the...

USN-1154-1: OpenJDK 6 vulnerabilities

It was discovered that a heap overflow in the AWT FileDialog.show method could allow an attacker to cause a denial of service through an application crash or possibly execute arbitrary code. CVE-2011-0815 It was dicovered that integer overflows in the JPEGImageReader readImage function and the...

USN-1129-1: Perl vulnerabilities

It was discovered that the Safe.pm Perl module incorrectly handled Safe::reval and Safe::rdo access restrictions. An attacker could use this flaw to bypass intended restrictions and possibly execute arbitrary code. CVE-2010-1168, CVE-2010-1447 It was discovered that the CGI.pm Perl module...

USN-1009-2: GNU C Library vulnerability

USN-1009-1 fixed vulnerabilities in the GNU C library. Colin Watson discovered that the fixes were incomplete and introduced flaws with setuid programs loading libraries that used dynamic string tokens in their RPATH. If the "man" program was installed setuid, a local attacker could exploit this ...

USN-974-2: Linux kernel regression

USN-974-1 fixed vulnerabilities in the Linux kernel. The fixes for CVE-2010-2240 caused failures for Xen hosts. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Gael Delalleu, Rafal Wojtczuk, and Brad Spengler discovered that the memory manager did not...

USN-930-3: Firefox regression

USN-930-1 fixed vulnerabilities in Firefox. Due to a software packaging problem, the Firefox 3.6 update could not be installed when the firefox-2 package was also installed. This update fixes the problem and updates apturl for the change. Original advisory details: If was discovered that Firefox...

USN-927-5: nspr update

USN-927-4 fixed vulnerabilities in NSS. This update provides the NSPR needed to use the new NSS. Original advisory details: 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,...

USN-945-1: ClamAV vulnerabilities

It was discovered that ClamAV did not properly reallocate memory when processing certain PDF files. A remote attacker could send a specially crafted PDF and crash ClamAV. CVE-2010-1639 An out of bounds memory access flaw was discovered in ClamAV. A remote attacker could send a specially crafted...

USN-892-1: FUSE vulnerability

Dan Rosenberg discovered that FUSE did not correctly check mount locations. A local attacker, with access to use FUSE, could unmount arbitrary locations, leading to a denial of service...

USN-882-1: PHP vulnerabilities

Maksymilian Arciemowicz discovered that PHP did not properly handle the inirestore function. An attacker could exploit this issue to obtain random memory contents or to cause the PHP server to crash, resulting in a denial of service. CVE-2009-2626 It was discovered that the htmlspecialchars...

USN-792-1: OpenSSL vulnerabilities

It was discovered that OpenSSL did not limit the number of DTLS records it would buffer when they arrived with a future epoch. A remote attacker could cause a denial of service via memory resource consumption by sending a large number of crafted requests. CVE-2009-1377 It was discovered that...

USN-509-1: Linux kernel vulnerabilities

A flaw in the sysfsreaddir function allowed a local user to cause a denial of service by dereferencing a NULL pointer. CVE-2007-3104 A buffer overflow was discovered in the random number generator. In environments with granular assignment of root privileges, a local attacker could gain additional...

USN-306-1: MySQL 4.1 vulnerability

MySQL did not correctly handle NULL as the second argument to the strtodate function. An authenticated user could exploit this to crash the server...

USN-302-1: Linux kernel vulnerabilities

An integer overflow was discovered in the doreplace function. A local user process with the CAPNETADMIN capability could exploit this to execute arbitrary commands with full root privileges. However, none of Ubuntu's supported packages use this capability with any non-root user, so this only...

USN-23-1: apache2 vulnerability

Chintan Trivedi discovered a Denial of Service vulnerability in apache2. The field length limit was not enforced for certain malicious requests. This could allow a remote attacker who is able to send large amounts of data to a server to cause HTTP server instances to consume proportional amounts ...

USN-7369-1: elfutils vulnerabilities

It was discovered that readelf from elfutils could be made to read out of bounds. If a user or automated system were tricked into running readelf on a specially crafted file, an attacker could cause readelf to crash, resulting in a denial of service. This issue only affected Ubuntu 24.04 LTS...

USN-7085-1: X.Org X Server vulnerability

Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled certain memory operations in the X Keyboard Extension. An attacker could use this issue to cause the X Server to crash, leading to a denial of service, or possibly execute arbitrary code...

USN-6784-1: cJSON vulnerabilities

It was discovered that cJSON incorrectly handled certain input. An attacker could possibly use this issue to cause cJSON to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS and Ubuntu 23.10. CVE-2023-50471, CVE-2023-50472 Luo Jin discovered that cJSON incorrectly...

USN-6696-1: OpenJDK 8 vulnerabilities

Yi Yang discovered that the Hotspot component of OpenJDK 8 incorrectly handled array accesses in the C1 compiler. An attacker could possibly use this issue to cause a denial of service, execute arbitrary code or bypass Java sandbox restrictions. CVE-2024-20918 It was discovered that the Hotspot...

USN-6627-1: libde265 vulnerabilities

It was discovered that libde265 could be made to read out of bounds. If a user or automated system were tricked into opening a specially crafted file, an attacker could possibly use this issue to cause a denial of service. CVE-2021-35452, CVE-2021-36411, CVE-2022-43238, CVE-2022-43241,...

USN-6538-1: PostgreSQL vulnerabilities

Jingzhou Fu discovered that PostgreSQL incorrectly handled certain unknown arguments in aggregate function calls. A remote attacker could possibly use this issue to obtain sensitive information. CVE-2023-5868 Pedro Gallegos discovered that PostgreSQL incorrectly handled modifying certain SQL arra...