USN-2801-1: Linux kernel vulnerability

Ben Serebrin discovered that the KVM hypervisor implementation in the Linux kernel did not properly catch Alignment Check exceptions. An attacker in a guest virtual machine could use this to cause a denial of service system crash in the host OS...

USN-2788-2: unzip regression

USN-2788-1 fixed vulnerabilities in unzip. One of the security patches caused a regression when extracting 0-byte files. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Gustavo Grieco discovered that unzip incorrectly handled certain password protecte...

USN-2797-1: Linux kernel (Utopic HWE) vulnerabilities

It was discovered that the Linux kernel did not check if a new IPv6 MTU set by a user space application was valid. A remote attacker could forge a route advertisement with an invalid MTU that a user space daemon like NetworkManager would honor and apply to the kernel, causing a denial of service...

USN-2774-1: Linux kernel (OMAP4) vulnerabilities

It was discovered that virtio networking in the Linux kernel did not handle fragments correctly, leading to kernel memory corruption. A remote attacker could use this to cause a denial of service system crash or possibly execute code with administrative privileges. CVE-2015-5156 It was discovered...

USN-2721-1: Subversion vulnerabilities

It was discovered that the Subversion moddavsvn module incorrectly handled REPORT requests for a resource that does not exist. A remote attacker could use this issue to cause the server to crash, resulting in a denial of service. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS...

USN-2691-1: Linux kernel vulnerabilities

Andy Lutomirski discovered a flaw in the Linux kernel's handling of nested NMIs non-maskable interrupts. An unprivileged local user could exploit this flaw to cause a denial of service system crash or potentially escalate their privileges. CVE-2015-3290 Colin King discovered a flaw in the addkey...

USN-2688-1: Linux kernel vulnerabilities

Andy Lutomirski discovered a flaw in the Linux kernel's handling of nested NMIs non-maskable interrupts. An unprivileged local user could exploit this flaw to cause a denial of service system crash or potentially escalate their privileges. CVE-2015-3290 Colin King discovered a flaw in the addkey...

USN-2667-1: Linux kernel vulnerabilities

A race condition was discovered in the Linux kernel's filehandle size verification. A local user could exploit this flaw to read potentially sensative memory locations. CVE-2015-1420 A underflow error was discovered in the Linux kernel's Ozmo Devices USB over WiFi host controller driver. A remote...

USN-2640-1: 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-2580-1: tcpdump vulnerabilities

It was discovered that tcpdump incorrectly handled printing certain packets. A remote attacker could use this issue to cause tcpdump to crash, resulting in a denial of service, or possibly execute arbitrary code. In the default installation, attackers would be isolated by the tcpdump AppArmor...

USN-2565-1: Linux kernel vulnerabilities

An integer overflow was discovered in the stack randomization feature of the Linux kernel on 64 bit platforms. A local attacker could exploit this flaw to bypass the Address Space Layout Randomization ASLR protection mechanism. CVE-2015-1593 An information leak was discovered in the Linux Kernel'...

USN-2528-1: Linux kernel vulnerability

It was discovered that the Linux kernel's Infiniband subsystem did not properly sanitize its input parameters while registering memory regions from userspace. A local user could exploit this flaw to cause a denial of service system crash or to potentially gain administrative privileges...

USN-2527-1: Linux kernel (Trusty HWE) vulnerability

It was discovered that the Linux kernel's Infiniband subsystem did not properly sanitize its input parameters while registering memory regions from userspace. A local user could exploit this flaw to cause a denial of service system crash or to potentially gain administrative privileges...

USN-2515-2: Linux kernel (Trusty HWE) vulnerabilities regression

USN-2515-1 fixed vulnerabilities in the Linux kernel. There was an unrelated regression in the use of the virtual counter CNTVCT on arm64 architectures. This update fixes the problem. We apologize for the inconvenience. Original advisory details: A flaw was discovered in the Kernel Virtual...

USN-2495-1: Oxide vulnerabilities

A use-after-free bug was discovered in the DOM implementation in Blink. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via renderer crash or execute arbitrary code with the privileges of the sandboxed rende...

USN-2449-1: NTP vulnerabilities

Neel Mehta discovered that NTP generated weak authentication keys. A remote attacker could possibly use this issue to brute force the authentication key and send requests if permitted by IP restrictions. CVE-2014-9293 Stephen Roettger discovered that NTP generated weak MD5 keys. A remote attacker...

USN-2425-1: DBus vulnerability

It was discovered that DBus incorrectly handled a large number of file descriptor messages. A local attacker could use this issue to cause DBus to stop responding, resulting in a denial of service. CVE-2014-7824...

USN-2357-1: Linux kernel (OMAP4) 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-2177-1: Linux kernel (Saucy HWE) vulnerabilities

A flaw was discovered in the Kernel Virtual Machine KVM subsystem of the Linux kernel. A guest OS user could exploit this flaw to execute arbitrary code on the host OS. CVE-2014-0049 Al Viro discovered an error in how CIFS in the Linux kernel handles uncached write operations. An unprivileged loc...

USN-2102-2: Firefox regression

USN-2102-1 fixed vulnerabilities in Firefox. The update introduced a regression which could make Firefox crash under some circumstances. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Christian Holler, Terrence Cole, Jesse Ruderman, Gary Kwong, Eric...

USN-2096-1: Linux kernel vulnerability

Pageexec reported a bug in the Linux kernel's recvmmsg syscall when called from code using the x32 ABI. An unprivileged local user could exploit this flaw to cause a denial of service system crash or gain administrator privileges...

USN-2075-1: Linux kernel vulnerabilities

Vasily Kulikov reported a flaw in the Linux kernel's implementation of ptrace. An unprivileged local user could exploit this flaw to obtain sensitive information from kernel memory. CVE-2013-2929 Dave Jones and Vince Weaver reported a flaw in the Linux kernel's per event subsystem that allows...

USN-2053-1: Thunderbird vulnerabilities

Ben Turner, Bobby Holley, Jesse Ruderman and Christian Holler discovered multiple memory safety issues in Thunderbird. If a user were tricked in to opening a specially crafted message with scripting enabled, an attacker could potentially exploit these to cause a denial of service via application...

USN-1984-1: Python 3.2 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. CVE-2013-2099 Ryan Sleevi discovered that Python did not properly handle...

USN-1976-1: Linux kernel vulnerabilities

An information leak was discovered in the handling of ICMPv6 Router Advertisement RA messages in the Linux kernel's IPv6 network stack. A remote attacker could exploit this flaw to cause a denial of service excessive retries and address-generation outage, and consequently obtain sensitive...

USN-1937-1: PHP vulnerability

It was discovered that PHP did not properly handle certificates with NULL characters in the Subject Alternative Name field. An attacker could exploit this to perform a machine-in-the-middle attack to view sensitive information or alter encrypted communications...

USN-1792-1: Linux kernel vulnerabilities

Mathias Krause discovered several errors in the Linux kernel's xfrmuser implementation. A local attacker could exploit these flaws to examine parts of kernel memory. CVE-2012-6537 Mathias Krause discovered information leak in the Linux kernel's compat ioctl interface. A local user could exploit t...

USN-1769-1: Linux kernel vulnerabilities

Andrew Cooper of Citrix reported a Xen stack corruption in the Linux kernel. An unprivileged user in a 32bit PVOPS guest can cause the guest kernel to crash, or operate erroneously. CVE-2013-0190 A failure to validate input was discovered in the Linux kernel's Xen netback network backend driver. ...

USN-1745-1: Linux kernel (OMAP4) vulnerability

Suleiman Souhlal, Salman Qazi, Aaron Durbin and Michael Davidson discovered a race condition in the Linux kernel's ptrace syscall. An unprivileged local attacker could exploit this flaw to run programs as an administrator. CVE-2013-0871 A flaw was discovered in the Edgeort USB serial converter...

USN-1692-1: QEMU vulnerability

It was discovered that QEMU incorrectly handled certain e1000 packet sizes. In certain environments, an attacker may use this flaw in combination with large packets to cause a denial of service or execute arbitrary code in the guest...

USN-1687-1: NSS vulnerability

Two intermediate CA certificates were mis-issued by the TURKTRUST certificate authority. If a remote attacker were able to perform a machine-in-the-middle attack, this flaw could be exploited to view sensitive information...

USN-1568-1: Linux kernel 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-1554-1: Linux kernel vulnerability

A flaw was found in the Linux kernel's Reliable Datagram Sockets RDS protocol implementation. A local, unprivileged user could use this flaw to cause a denial of service. CVE-2012-2372 Mathias Krause discovered an information leak in the Linux kernel's TUN/TAP device driver. A local user could...

USN-1535-1: Linux kernel 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-1533-1: Linux kernel 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-1532-1: Linux kernel (OMAP4) 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-1478-1: Libav vulnerabilities

Mateusz Jurczyk and Gynvael Coldwind discovered that Libav incorrectly handled certain malformed DV files. If a user were tricked into opening a crafted DV file, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user...

USN-1412-1: Linux kernel vulnerability

Somnath Kotur discovered an error in the Linux kernel's VLAN virtual lan and be2net drivers. An attacker on the local network could exploit this flaw to cause a denial of service...

USN-1404-1: Linux kernel (OMAP4) vulnerability

Somnath Kotur discovered an error in the Linux kernel's VLAN virtual lan and be2net drivers. An attacker on the local network could exploit this flaw to cause a denial of service. CVE-2011-3347 A flaw was found in the Linux kernel's ext4 file system when mounting a corrupt filesystem. A...

USN-1344-1: Linux kernel vulnerabilities

Clement Lecigne discovered a bug in the HFS filesystem. A local attacker could exploit this to cause a kernel oops. CVE-2011-2203 A flaw was found in how the Linux kernel handles user-defined key types. An unprivileged local user could exploit this to crash the system. CVE-2011-4110...

USN-1292-1: Linux kernel (Maverick backport) 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 Nick Bowler discovered the kernel GHASH message digest algorithm incorrectly handled error conditions...

USN-1184-1: Firefox and Xulrunner vulnerabilities

Gary Kwong, Igor Bukanov, and Bob Clary discovered multiple memory vulnerabilities in the browser rendering engine. An attacker could use these to possibly execute arbitrary code with the privileges of the user invoking Firefox. CVE-2011-2982 It was discovered that a vulnerability in event...

USN-1192-1: Firefox vulnerabilities

Aral Yaman discovered a vulnerability in the WebGL engine. An attacker could potentially use this to crash Firefox or execute arbitrary code with the privileges of the user invoking Firefox. CVE-2011-2989 Vivekanand Bolajwar discovered a vulnerability in the JavaScript engine. An attacker could...

USN-1102-1: tiff vulnerability

Martin Barbella discovered that the thunder aka ThunderScan decoder in the TIFF library incorrectly handled an unexpected BitsPerSample value. If a user or automated system were tricked into opening a specially crafted TIFF image, a remote attacker could execute arbitrary code with user privilege...

USN-1071-1: Linux kernel vulnerabilities

Tavis Ormandy discovered that the Linux kernel did not properly implement exception fixup. A local attacker could exploit this to crash the kernel, leading to a denial of service. CVE-2010-3086 Dan Rosenberg discovered that the Linux kernel TIPC implementation contained multiple integer signednes...

USN-1021-1: Apache vulnerabilities

It was discovered that Apache's modcache and moddav modules incorrectly handled requests that lacked a path. A remote attacker could exploit this with a crafted request and cause a denial of service. This issue affected Ubuntu 6.06 LTS, 8.04 LTS, 9.10 and 10.04 LTS. CVE-2010-1452 It was discovere...

USN-959-2: PAM vulnerability

USN-959-1 fixed vulnerabilities in PAM. This update provides the corresponding updates for Ubuntu 10.10. Original advisory details: Denis Excoffier discovered that the PAM MOTD module in Ubuntu did not correctly handle path permissions when creating user file stamps. A local attacker could exploi...

USN-1003-1: OpenSSL vulnerabilities

It was discovered that OpenSSL incorrectly handled return codes from the bnwexpand function calls. A remote attacker could trigger this flaw in services that used SSL to cause a denial of service or possibly execute arbitrary code with application privileges. This issue only affected Ubuntu 6.06...

USN-963-1: FreeType vulnerabilities

Robert Święcki discovered that FreeType did not correctly handle certain malformed font files. If a user were tricked into using a specially crafted font file, a remote attacker could execute arbitrary code with user privileges...

USN-782-1: Thunderbird vulnerabilities

Several flaws were discovered in the JavaScript engine of Thunderbird. If a user had JavaScript enabled and were tricked into viewing malicious web content, a remote attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program...