USN-6312-1: 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-6306-1: Fast DDS vulnerabilities

It was discovered that Fast DDS incorrectly handled certain inputs. A remote attacker could possibly use this issue to cause a denial of service and information exposure. This issue only affected Ubuntu 22.04 LTS. CVE-2021-38425 It was discovered that Fast DDS incorrectly handled certain inputs. ...

USN-6284-1: 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-4336-3: GNU binutils vulnerabilities

USN-4336-1 fixed several vulnerabilities in GNU. This update provides the corresponding update for Ubuntu 14.04 LTS. Original advisory details: It was discovered that GNU binutils contained a large number of security issues. If a user or automated system were tricked into processing a...

USN-6256-1: Linux kernel (IoT) vulnerabilities

Jiasheng Jiang discovered that the HSA Linux kernel driver for AMD Radeon GPU devices did not properly validate memory allocation in certain situations, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service system crash. CVE-2022-3108...

USN-6186-1: 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-6057-1: Linux kernel (Intel IoTG) vulnerabilities

It was discovered that the Traffic-Control Index TCINDEX implementation in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2023-1281 It was discovered that the OverlayFS...

USN-6045-1: Linux kernel 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-6024-1: Linux kernel vulnerabilities

It was discovered that the Traffic-Control Index TCINDEX implementation in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2023-1281 Lin Ma discovered a race condition in t...

USN-5979-1: Linux kernel (HWE) vulnerabilities

It was discovered that the KVM VMX implementation in the Linux kernel did not properly handle indirect branch prediction isolation between L1 and L2 VMs. An attacker in a guest VM could use this to expose sensitive information from the host OS or other guest VMs. CVE-2022-2196 It was discovered...

USN-5931-1: Python vulnerability

It was discovered that Python incorrectly handled certain inputs. If a user or an automated system were tricked into running a specially crafted input, a remote attacker could possibly use this issue to execute arbitrary code. CVE-2022-37454...

USN-5638-4: Expat vulnerabilities

USN-5638-1 fixed several vulnerabilities in Expat. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Rhodri James discovered that Expat incorrectly handled memory when processing certain malformed XML files. An attacker could possibly use this issue to...

USN-5889-1: ZoneMinder vulnerabilities

It was discovered that ZoneMinder was not properly sanitizing URL parameters for certain views. An attacker could possibly use this issue to perform a cross-site scripting XSS attack. This issue was only fixed in Ubuntu 16.04 ESM. CVE-2019-6777 It was discovered that ZoneMinder was not properly...

USN-5759-2: LibBPF vulnerabilities

USN-5759-1 fixed vulnerabilities in LibBPF. This update provides the corresponding updates for Ubuntu 20.04 ESM. Original advisory details: It was discovered that LibBPF incorrectly handled certain memory operations under certain circumstances. An attacker could possibly use this issue to cause...

USN-5626-1: Bind vulnerabilities

Yehuda Afek, Anat Bremler-Barr, and Shani Stajnrod discovered that Bind incorrectly handled large delegations. A remote attacker could possibly use this issue to reduce performance, leading to a denial of service. CVE-2022-2795 It was discovered that Bind incorrectly handled statistics requests. ...

USN-5590-1: Linux kernel (OEM) vulnerability

Domingo Dirutigliano and Nicola Guerrera discovered that the netfilter subsystem in the Linux kernel did not properly handle rules that truncated packets below the packet header size. When such rules are in place, a remote attacker could possibly use this to cause a denial of service system crash...

USN-5534-1: ImageMagick vulnerabilities

It was discovered that ImageMagick incorrectly handled certain values. If a user were tricked into processing a specially crafted image file, an attacker could possibly exploit this issue to cause a denial of service or other unspecified impact. CVE-2022-32545, CVE-2022-32546 It was discovered th...

USN-5493-2: Linux kernel (HWE) 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-5497-1: Libjpeg6b vulnerabilities

It was discovered that Libjpeg6b was not properly performing bounds checks when compressing PPM and Targa image files. An attacker could possibly use this issue to cause a denial of service. CVE-2018-11212 Chijin Zhou discovered that Libjpeg6b was incorrectly handling the EOF character in input...

USN-5451-1: InfluxDB vulnerability

Ilya Averyanov discovered that an InfluxDB vulnerability allowed attackers to bypass authentication and gain access to any known database user...

USN-5401-1: DPDK vulnerabilities

Wenxiang Qian discovered that DPDK incorrectly checked certain payloads. An attacker could use this issue to cause DPDK to crash, resulting in a denial of service, or possibly execute arbitrary code. CVE-2021-3839 It was discovered that DPDK incorrectly handled inflight type messages. An attacker...

USN-5153-1: LibreOffice vulnerabilities

It was discovered that LibreOffice incorrectly handled digital signatures. An attacker could possibly use this issue to create a specially crafted document that would display a validly signed indicator, contrary to expectations...

USN-4986-3: rpcbind regression

USN-4986-1 fixed a vulnerability in rpcbind. The update caused a regression resulting in rpcbind crashing in certain environments. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that rpcbind incorrectly handled certain large data...

USN-4634-2: OpenLDAP vulnerabilities

USN-4634-1 fixed several vulnerabilities in OpenLDAP. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: It was discovered that OpenLDAP incorrectly handled certain malformed inputs. A remote attacker could possibly use this issue t...

USN-4625-1: Firefox vulnerability

A use-after-free was discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could exploit this to execute arbitrary code...

USN-3081-2: Tomcat vulnerability

Dawid Golunski discovered that the Tomcat init script incorrectly handled creating log files. A remote attacker could possibly use this issue to obtain root privileges...

USN-4488-1: X.Org X Server vulnerabilities

Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled the input extension protocol. A local attacker could possibly use this issue to escalate privileges. CVE-2020-14346 Jan-Niklas Sohn discovered that the X.Org X Server incorrectly initialized memory. A local attacker could...

USN-4464-1: GNOME Shell vulnerability

It was discovered that GNOME Shell incorrectly handled the login screen password dialog. Sensitive information could possibly be exposed during user logout...

USN-4444-1: WebKitGTK vulnerabilities

A large number of 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...

USN-4437-1: libslirp vulnerability

Ziming Zhang and VictorV discovered that libslirp incorrectly handled replying to certain ICMP echo requests. A remote attacker could possibly use this issue to cause libslirp to crash, resulting in a denial of service...

USN-4349-1: EDK II vulnerabilities

A buffer overflow was discovered in the network stack. An unprivileged user could potentially enable escalation of privilege and/or denial of service. This issue was already fixed in a previous release for 18.04 LTS and 19.10. CVE-2018-12178 A buffer overflow was discovered in BlockIo service. An...

USN-4326-1: libiberty vulnerabilities

It was discovered that libiberty incorrectly handled parsing certain binaries. If a user or automated system were tricked into processing a specially crafted binary, a remote attacker could use this issue to cause libiberty to crash, resulting in a denial of service, or possibly execute arbitrary...

USN-4310-1: WebKitGTK+ vulnerability

A large number of 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...

USN-4229-1: NTP vulnerability

It was discovered that ntpq and ntpdc incorrectly handled some arguments. An attacker could possibly use this issue to cause ntpq or ntpdc to crash, execute arbitrary code, or escalate to higher privileges...

USN-4161-1: Linux kernel vulnerability

It was discovered that the IPv6 routing implementation in the Linux kernel contained a reference counting error leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code...

USN-3741-2: Linux kernel (Xenial HWE) vulnerabilities

USN-3741-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS. It was discovered that memory present in the L1 data cache of an Intel CPU core may be...

USN-3739-2: libxml2 vulnerabilities

USN-3739-1 fixed a vulnerability in libxml2. This update provides the corresponding update for Ubuntu 12.04. Original advisory details: Matias Brutti discovered that libxml2 incorrectly handled certain XML files. An attacker could possibly use this issue to expose sensitive information...

USN-3687-1: WebKitGTK+ vulnerabilities

A large number of 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...

USN-3625-1: Perl vulnerabilities

It was discovered that Perl incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause Perl to hang, resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS. CVE-2015-8853 It was discovered that Perl incorrectly loaded libraries from th...

USN-3581-2: Linux kernel (HWE) vulnerabilities

USN-3581-1 fixed 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. Mohamed Ghannam discovered that the IPv4 raw socket implementation in the Linux kernel contain...

USN-3576-1: libvirt vulnerabilities

Vivian Zhang and Christoph Anton Mitterer discovered that libvirt incorrectly disabled password authentication when the VNC password was set to an empty string. A remote attacker could possibly use this issue to bypass authentication, contrary to expectations. This issue only affected Ubuntu 14.0...

USN-3509-1: Linux kernel vulnerabilities

Mohamed Ghannam discovered that a use-after-free vulnerability existed in the Netlink subsystem XFRM in the Linux kernel. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2017-16939 It was discovered that the Linux kernel did not...

USN-3508-1: Linux kernel vulnerabilities

Mohamed Ghannam discovered that a use-after-free vulnerability existed in the Netlink subsystem XFRM in the Linux kernel. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2017-16939 It was discovered that the Linux kernel did not...

USN-3414-2: QEMU regression

USN-3414-1 fixed vulnerabilities in QEMU. The patch backport for CVE-2017-9375 was incomplete and caused a regression in the USB xHCI controller emulation support. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Leo Gaspard discovered that QEMU...

USN-3424-1: libxml2 vulnerabilities

It was discovered that a type confusion error existed in libxml2. An attacker could use this to specially construct XML data that could cause a denial of service or possibly execute arbitrary code. CVE-2017-0663 It was discovered that libxml2 did not properly validate parsed entity references. An...

USN-3392-2: Linux kernel (Xenial HWE) regression

USN-3392-1 fixed a regression in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS. USN-3378-2 fixed vulnerabilities in the Linux Hardware Enablement kernel. Unfortunately, ...

USN-3378-2: Linux kernel (Xenial HWE) vulnerabilities

USN-3378-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS. Fan Wu and Shixiong Zhao discovered a race condition between inotify events and vfs...

USN-3378-1: Linux kernel vulnerabilities

Fan Wu and Shixiong Zhao discovered a race condition between inotify events and vfs rename operations in the Linux kernel. An unprivileged local attacker could use this to cause a denial of service system crash or execute arbitrary code. CVE-2017-7533 It was discovered that the Linux kernel did n...

USN-3291-3: Linux kernel (Xenial HWE) vulnerabilities

USN-3291-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS. Dmitry Vyukov discovered that the generic SCSI sg subsystem in the Linux kernel...

USN-3190-2: Linux kernel (Raspberry Pi 2) vulnerabilities

Mikulas Patocka discovered that the asynchronous multibuffer cryptographic daemon mcryptd in the Linux kernel did not properly handle being invoked with incompatible algorithms. A local attacker could use this to cause a denial of service system crash. CVE-2016-10147 It was discovered that a...