11213 matches found
USN-2948-2: Linux kernel (Utopic HWE) regression
USN-2948-1 fixed vulnerabilities in the Ubuntu 14.10 Linux kernel backported to Ubuntu 14.04 LTS. An incorrect reference counting fix in the radeon driver introduced a regression that could cause a system crash. This update fixes the problem. We apologize for the inconvenience. Original advisory...
USN-2908-3: Linux kernel (Raspberry Pi 2) vulnerabilities
halfdog discovered that OverlayFS, when mounting on top of a FUSE mount, incorrectly propagated file attributes, including setuid. A local unprivileged attacker could use this to gain privileges. CVE-2016-1576 halfdog discovered that OverlayFS in the Linux kernel incorrectly propagated security...
USN-2868-1: DHCP vulnerability
Sebastian Poehn discovered that the DHCP server, client, and relay incorrectly handled certain malformed UDP packets. A remote attacker could use this issue to cause the DHCP server, client, or relay to stop responding, resulting in a denial of service...
USN-2846-1: Linux kernel vulnerabilities
Felix Wilhelm discovered a race condition in the Xen paravirtualized drivers which can cause double fetch vulnerabilities. An attacker in the paravirtualized guest could exploit this flaw to cause a denial of service crash the host or potentially execute arbitrary code on the host. CVE-2015-8550...
USN-2759-1: Linux kernel vulnerabilities
It was discovered that an integer overflow error existed in the SCSI generic sg driver in the Linux kernel. A local attacker with write permission to a SCSI generic device could use this to cause a denial of service system crash or potentially escalate their privileges. CVE-2015-5707 Marc-André...
USN-2689-1: Linux kernel (Utopic HWE) 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-2638-1: Linux kernel vulnerabilities
Xiong Zhou discovered a bug in the way the EXT4 filesystem handles fallocate zero range functionality when the page size is greater than the block size. A local attacker could exploit this flaw to cause a denial of service system crash. CVE-2015-0275 Wen Xu discovered a use-after-free flaw in the...
USN-2584-1: Linux kernel (EC2) 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-2458-2: Ubufox update
USN-2458-1 fixed vulnerabilities in Firefox. This update provides the corresponding version of Ubufox. Original advisory details: Christian Holler, Patrick McManus, Christoph Diehl, Gary Kwong, Jesse Ruderman, Byron Campen, Terrence Cole, and Nils Ohlmeier discovered multiple memory safety issues...
USN-2448-1: 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-2444-1: Linux kernel (OMAP4) vulnerabilities
Rabin Vincent, Robert Swiecki, Russell King discovered that the ftrace subsystem of the Linux kernel does not properly handle private syscall numbers. A local user could exploit this flaw to cause a denial of service OOPS. CVE-2014-7826 Rabin Vincent, Robert Swiecki, Russell Kinglaw discovered a...
USN-2239-1: Linux kernel (Saucy HWE) vulnerabilities
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. CVE-2014-3153 A flaw was discovered in the Linux kernel virtual machine's kvm validation of interrupt...
USN-2235-1: Linux kernel vulnerabilities
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. CVE-2014-3153 A flaw was discovered in the vhost-net subsystem of the Linux kernel. Guest OS users...
USN-2223-1: Linux kernel (Quantal HWE) 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-2174-1: Linux kernel (EC2) vulnerabilities
A flaw was discovered in the Linux kernel's handling of the SCTP handshake. A remote attacker could exploit this flaw to cause a denial of service system crash. CVE-2014-0101 An error was discovered in the Linux kernel's DCCP protocol support. A remote attacked could exploit this flaw to cause a...
USN-1878-1: Linux kernel vulnerabilities
An information leak was discovered in the Linux kernel when inotify is used to monitor the /dev/ptmx device. A local user could exploit this flaw to discover keystroke timing and potentially discover sensitive information like password length. CVE-2013-0160 A flaw was discovered in the Linux...
USN-1594-1: Linux kernel (Oneiric backport) vulnerabilities
Vadim Ponomarev discovered a flaw in the Linux kernel causing a reference leak when PID namespaces are used. A remote attacker could exploit this flaw causing a denial of service. CVE-2012-2127 A flaw was found in how the Linux kernel's KVM Kernel-based Virtual Machine subsystem handled MSI Messa...
USN-1490-1: Linux kernel (Natty backport) vulnerabilities
Stephan Mueller reported a flaw in the Linux kernel's dl2k network driver's handling of ioctls. An unprivileged local user could leverage this flaw to cause a denial of service. CVE-2012-2313 Timo Warns reported multiple flaws in the Linux kernel's hfsplus filesystem. An unprivileged local user...
USN-1488-1: Linux kernel vulnerabilities
Stephan Mueller reported a flaw in the Linux kernel's dl2k network driver's handling of ioctls. An unprivileged local user could leverage this flaw to cause a denial of service. CVE-2012-2313 Timo Warns reported multiple flaws in the Linux kernel's hfsplus filesystem. An unprivileged local user...
USN-1098-1: vsftpd vulnerability
It was discovered that vsftpd incorrectly handled certain glob expressions. A remote authenticated user could use a crafted glob expression to cause vftpd to consume all resources, leading to a denial of service...
USN-1089-1: 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-2010-4075, CVE-2010-4076, CVE-2010-4077 Dan Rosenberg discovered that the socket...
USN-1080-1: Linux kernel vulnerabilities
Thomas Pollet discovered that the RDS network protocol did not check certain iovec buffers. A local attacker could exploit this to crash the system or possibly execute arbitrary code as the root user. CVE-2010-3865 Vasiliy Kulikov discovered that the Linux kernel X.25 implementation did not...
USN-914-1: Linux kernel vulnerabilities
Mathias Krause discovered that the Linux kernel did not correctly handle missing ELF interpreters. A local attacker could exploit this to cause the system to crash, leading to a denial of service. CVE-2010-0307 Marcelo Tosatti discovered that the Linux kernel's hardware virtualization did not...
USN-873-1: Firefox 3.0 and Xulrunner 1.9 vulnerabilities
Jesse Ruderman, Josh Soref, Martijn Wargers, Jose Angel, Olli Pettay, and David James discovered several flaws in the browser and JavaScript engines of Firefox. If a user were tricked into viewing a malicious website, a remote attacker could cause a denial of service or possibly execute arbitrary...
USN-761-1: PHP vulnerabilities
It was discovered that PHP did not sanitize certain error messages when displayerrors is enabled, which could result in browsers becoming vulnerable to cross-site scripting attacks when processing the output. With cross-site scripting vulnerabilities, if a user were tricked into viewing server...
USN-756-1: ClamAV vulnerability
It was discovered that ClamAV did not properly verify buffers when processing Upack files. A remote attacker could send a crafted file and cause a denial of service via application crash...
USN-728-3: Firefox vulnerabilities
Jesse Ruderman and Gary Kwong discovered flaws in the browser engine. If a user were tricked into viewing a malicious website, a remote attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program. CVE-2009-0772, CVE-2009-0774...
USN-612-1: OpenSSL vulnerability
A weakness has been discovered in the random number generator used by OpenSSL on Debian and Ubuntu systems. As a result of this weakness, certain encryption keys are much more common than they should be, such that an attacker could guess the key through a brute-force attack given minimal knowledg...
USN-575-1: Apache vulnerabilities
It was discovered that Apache did not sanitize the Expect header from an HTTP request when it is reflected back in an error message, which could result in browsers becoming vulnerable to cross-site scripting attacks when processing the output. With cross-site scripting vulnerabilities, if a user...
USN-429-1: tcpdump vulnerability
Moritz Jodeit discovered that tcpdump had an overflow in the 802.11 packet parser. Remote attackers could send specially crafted packets, crashing tcpdump, possibly leading to a denial of service...
USN-209-1: SSH server vulnerability
An information disclosure vulnerability has been found in the SSH server. When the GSSAPIAuthentication option was enabled, the SSH server could send GSSAPI credentials even to users who attempted to log in with a method other than GSSAPI. This could inadvertently expose these credentials to an...
USN-1-1: PNG library vulnerabilities
Several integer overflow vulnerabilities were discovered in the PNG library. These vulnerabilities could be exploited by an attacker by providing a specially crafted PNG image which, when processed by the PNG library, could result in the execution of program code provided by the attacker. The PNG...
USN-7348-1: Python vulnerabilities
It was discovered that the Python ipaddress module contained incorrect information about which IP address ranges were considered “private” or “globally reachable”. This could possibly result in applications applying incorrect security policies. This issue only affected Ubuntu 14.04 LTS and Ubuntu...
USN-6702-1: Linux kernel vulnerabilities
It was discovered that the NVIDIA Tegra XUSB pad controller driver in the Linux kernel did not properly handle return values in certain error conditions. A local attacker could use this to cause a denial of service system crash. CVE-2023-23000 It was discovered that the ARM Mali Display Processor...
USN-6626-1: Linux kernel vulnerabilities
Quentin Minster discovered that a race condition existed in the KSMBD implementation in the Linux kernel when handling sessions operations. A remote attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2023-32250, CVE-2023-32252, CVE-2023-32257...
USN-6465-3: Linux kernel (GKE) vulnerabilities
Yu Hao and Weiteng Chen discovered that the Bluetooth HCI UART driver in the Linux kernel contained a race condition, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service system crash. CVE-2023-31083 Lin Ma discovered that the Netlink...
USN-6461-1: Linux kernel (OEM) vulnerabilities
Yu Hao discovered that the UBI driver in the Linux kernel did not properly check for MTD with zero erasesize during device attachment. A local privileged attacker could use this to cause a denial of service system crash. CVE-2023-31085 Marek Marczykowski-Górecki discovered that the Xen event...
USN-6426-1: WebKitGTK vulnerabilities
Several security issues were discovered in the WebKitGTK Web and JavaScript engines. If a user were tricked into viewing a malicious website, a remote attacker could exploit a variety of issues related to web browser security, including cross-site scripting attacks, denial of service attacks, and...
USN-6132-1: Linux kernel vulnerabilities
Patryk Sondej and Piotr Krysiuk discovered that a race condition existed in the netfilter subsystem of the Linux kernel when processing batch requests, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrar...
USN-6131-1: Linux kernel vulnerabilities
Patryk Sondej and Piotr Krysiuk discovered that a race condition existed in the netfilter subsystem of the Linux kernel when processing batch requests, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrar...
USN-5939-1: Linux kernel (GCP) vulnerabilities
It was discovered that the Upper Level Protocol ULP subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execut...
USN-5918-1: Linux kernel (BlueField) 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-5479-1: PHP vulnerabilities
Charles Fol discovered that PHP incorrectly handled initializing certain arrays when handling the pgqueryparams function. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. CVE-2022-31625 Charles Fol discovered that...
USN-5223-2: Apache Log4j 1.2 vulnerability
USN-5223-1 fixed a vulnerability in Apache Log4j 1.2. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: It was discovered that Apache Log4j 1.2 was vulnerable to deserialization of untrusted data if the configuration file was editable. An attacker coul...
USN-5249-1: USBView vulnerability
It was discovered that USBView allowed unprivileged users to run usbview as root. A local attacker could use this vulnerability to gain administrative privileges or cause a denial of service...
USN-4813-1: Jackson Databind vulnerabilities
It was discovered that Jackson Databind incorrectly handled deserialization. An attacker could possibly use this issue to obtain sensitive information. CVE-2018-11307, CVE-2019-12086, CVE-2019-12814 It was discovered that Jackson Databind incorrectly handled deserialization. An attacker could...
USN-4638-1: c-ares vulnerability
It was discovered that c-ares incorrectly handled certain DNS requests. An attacker could possibly use this issue to cause a denial of service...
USN-4589-1: containerd vulnerability
It was discovered that containerd could be made to expose sensitive information when processing URLs in container image manifests. A remote attacker could use this to trick the user and obtain the user's registry credentials...
USN-4477-1: Squid vulnerabilities
Amit Klein discovered that Squid incorrectly validated certain data. A remote attacker could possibly use this issue to perform an HTTP request smuggling attack, resulting in cache poisoning. CVE-2020-15810 Régis Leroy discovered that Squid incorrectly validated certain data. A remote attacker...
USN-4371-1: libvirt vulnerabilities
It was discovered that libvirt incorrectly handled an active pool without a target path. A remote attacker could possibly use this issue to cause libvirt to crash, resulting in a denial of service. CVE-2020-10703 It was discovered that libvirt incorrectly handled memory when retrieving certain...