USN-6187-1: Linux kernel (IBM) 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 TUN/TAP driver in t...

USN-6171-1: Linux kernel 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 TUN/TAP driver in t...

USN-6165-1: GLib vulnerabilities

It was discovered that GLib incorrectly handled non-normal GVariants. An attacker could use this issue to cause GLib to crash, resulting in a denial of service, or perform other unknown attacks...

USN-6150-1: 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-6096-1: Linux kernel vulnerabilities

It was discovered that some AMD x86-64 processors with SMT enabled could speculatively execute instructions using a return address from a sibling thread. A local attacker could possibly use this to expose sensitive information. CVE-2022-27672 Ziming Zhang discovered that the VMware Virtual GPU DR...

USN-6080-1: Linux kernel vulnerabilities

It was discovered that some AMD x86-64 processors with SMT enabled could speculatively execute instructions using a return address from a sibling thread. A local attacker could possibly use this to expose sensitive information. CVE-2022-27672 Zheng Wang discovered that the Intel i915 graphics...

USN-6051-1: 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-6007-1: 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-5987-1: Linux kernel 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-5954-2: Firefox regressions

USN-5954-1 fixed vulnerabilities in Firefox. The update introduced several minor regressions. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted...

USN-5482-2: SPIP vulnerabilities

USN-5482-1 fixed several vulnerabilities in SPIP. This update provides the corresponding updates for Ubuntu 20.04 LTS for CVE-2021-44118, CVE-2021-44120, CVE-2021-44122 and CVE-2021-44123. Original advisory details: It was discovered that SPIP incorrectly validated inputs. An authenticated attack...

USN-5884-1: Linux kernel (AWS) vulnerabilities

Kirill Tkhai discovered that the XFS file system implementation in the Linux kernel did not calculate size correctly when pre-allocating space in some situations. A local attacker could use this to expose sensitive information. CVE-2021-4155 Lee Jones discovered that a use-after-free vulnerabilit...

USN-5870-1: apr-util vulnerability

Ronald Crane discovered that APR-util did not properly handled memory when encoding or decoding certain input data. An attacker could possibly use this issue to cause a denial of service, or possibly execute arbitrary code...

LSN-0091-1: Kernel Live Patch Security Notice

It was discovered that a race condition existed in the memory address space accounting implementation in the Linux kernel, 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.CVE-2022-41222 Sönke...

USN-5856-1: Linux kernel (OEM) vulnerabilities

Davide Ornaghi discovered that the netfilter subsystem in the Linux kernel did not properly handle VLAN headers in some situations. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2023-0179 Hu Jiahui discovered that multiple race...

USN-5812-1: urllib3 vulnerability

It was discovered that urllib3 incorrectly handled certain characters in URLs. A remote attacker could possibly use this issue to cause urllib3 to consume resources, leading to a denial of service...

USN-5787-1: Libksba vulnerability

It was discovered that Libksba incorrectly handled parsing CRL signatures. A remote attacker could use this issue to cause Libksba to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-5772-1: QEMU vulnerabilities

It was discovered that QEMU incorrectly handled bulk transfers from SPICE clients. A remote attacker 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 14.04 ESM and Ubuntu 16.04 ESM. CVE-2021-3682 It...

USN-5736-1: ImageMagick vulnerabilities

It was discovered that ImageMagick incorrectly handled certain values when processing PDF files. If a user or automated system using ImageMagick were tricked into opening a specially crafted PDF file, an attacker could exploit this to cause a denial of service. This issue only affected Ubuntu 14....

USN-5714-1: LibTIFF vulnerabilities

It was discovered that LibTIFF incorrectly handled certain memory operations when using tiffcrop. An attacker could trick a user into processing a specially crafted tiff image file and potentially use this issue to cause a denial of service. This issue only affected Ubuntu 22.10. CVE-2022-2519,...

USN-5692-1: Linux kernel vulnerabilities

David Bouman and Billy Jheng Bing Jhong discovered that a race condition existed in the iouring subsystem in the Linux kernel, 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. CVE-2022-2602...

USN-5503-1: GnuPG vulnerability

Demi Marie Obenour discovered that GnuPG incorrectly handled injection in the status message. A remote attacker could possibly use this issue to forge signatures...

USN-5342-3: Python vulnerability

USN-5342-1 fixed several vulnerabilities in Python. This update provides the corresponding fix for CVE-2021-3426 for Ubuntu 18.04 ESM. Original advisory details: David Schwörer discovered that Python incorrectly handled certain inputs. An attacker could possibly use this issue to expose sensitive...

USN-5382-2: libinput vulnerability

USN-5382-1 fixed a vulnerability in libinput. This update provides the corresponding updates for Ubuntu 22.04 LTS. Original advisory details: Albin Eldstål-Ahrens and Lukas Lamster discovered libinput did not properly handle input devices with specially crafted names. A local attacker with physic...

USN-4986-4: 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 for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It was discovered that rpcbind incorrectly handled certain large...

USN-4786-1: Moment.js vulnerabilities

It was discovered that Moment.js mishandled certain regular expressions. An attacker could use this vulnerability to cause a denial of service...

USN-4766-1: Apache Commons BeanUtils vulnerabilities

It was discovered that Apache Commons BeanUtils improperly handled certain input. An attacker could possibly use this vulnerability to cause a crash or execute arbitrary code...

USN-4667-1: APT vulnerability

Kevin Backhouse discovered that APT incorrectly handled certain packages. A local attacker could possibly use this issue to cause APT to crash or stop responding, resulting in a denial of service...

USN-3968-3: Sudo vulnerabilities

USN-3968-1 fixed several vulnerabilities in Sudo. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Florian Weimer discovered that Sudo incorrectly handled the noexec restriction when used with certain applications. A local attacker could possibly use...

USN-4530-1: Debian-LAN vulnerabilities

Wolfgang Schweer discovered that Debian-LAN did not properly handle ACLs for the Kerberos admin server. A local attacker could possibly use this issue to change the passwords of other users, leading to root privilege escalation. CVE-2019-3467...

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-4395-1: fwupd vulnerability

Justin Steven discovered that fwupd incorrectly handled certain signature verification. An attacker could possibly use this issue to install an unsigned firmware...

USN-4340-1: CUPS vulnerabilities

It was discovered that CUPS incorrectly handled certain language values. A local attacker could possibly use this issue to cause CUPS to crash, leading to a denial of service, or possibly obtain sensitive information. This issue only applied to Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 19.10...

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-4202-2: Thunderbird regression

USN-4202-1 fixed vulnerabilities in Thunderbird. After upgrading, Thunderbird created a new profile for some users. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that a specially crafted S/MIME message with an inner encryption laye...

USN-4179-1: FriBidi vulnerability

Alex Murray discovered a stack-based buffer overflow when handling a large number of unicode isolate directives. An attacker could use this to cause a denial of service or possibly execute arbitrary code...

USN-4170-3: Whoopsie regression

USN-4170-1 fixed a vulnerability in Whoopsie and USN-4170-2 fixed a subsequent regression. That update was incomplete and could still result in Whoopsie potentially crashing when uploading crash reports on some architectures. This update fixes the problem. We apologize for the inconvenience...

USN-4087-1: BWA vulnerability

It was discovered that Burrows-Wheeler Aligner BWA mishandled certain crafted .alt files. An attacker could use this vulnerability to cause a denial of service crash or possibly execute arbitrary code...

USN-3847-3: Linux kernel (Azure) vulnerabilities

USN-3847-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. This update provides the corresponding updates for the Linux kernel for Microsoft Azure Cloud systems for Ubuntu 14.04 LTS. It was discovered that a race condition existed in the raw MIDI driver for the Linux kernel, leadi...

USN-3712-2: libpng vulnerability

USN-3712-1 fixed a vulnerability in libpng. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: Patrick Keshishian discovered that libpng incorrectly handled certain PNG files. An attacker could possibly use this to cause a denial of service...

USN-3679-1: QEMU update

Ken Johnson and Jann Horn independently discovered that microprocessors utilizing speculative execution of a memory read may allow unauthorized memory reads via sidechannel attacks. An attacker in the guest could use this to expose sensitive guest information, including kernel memory. This update...

USN-3675-1: GnuPG vulnerabilities

Marcus Brinkmann discovered that during decryption or verification, GnuPG did not properly filter out terminal sequences when reporting the original filename. An attacker could use this to specially craft a file that would cause an application parsing GnuPG output to incorrectly interpret the...

USN-3655-2: Linux kernel (Trusty HWE) vulnerabilities

USN-3655-1 fixed vulnerabilities and added mitigations in the Linux kernel for Ubuntu 14.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 14.04 LTS for Ubuntu 12.04 ESM. Jann Horn and Ken Johnson discovered that microprocessors...

USN-3575-2: QEMU regression

USN-3575-1 fixed vulnerabilities in QEMU. The fix for CVE-2017-11334 caused a regression in Xen environments. This update removes the problematic fix pending further investigation. We apologize for the inconvenience. Original advisory details: It was discovered that QEMU incorrectly handled guest...

USN-3564-1: PostgreSQL vulnerability

It was discovered that PostgreSQL incorrectly handled certain temp files. An attacker could possibly use this to access sensitive information...

USN-3528-1: Ruby vulnerabilities

It was discovered that Ruby incorrectly handled certain terminal emulator escape sequences. An attacker could use this to execute arbitrary code via a crafted user name. This issue only affected Ubuntu 16.04 LTS and Ubuntu 17.10. CVE-2017-10784 It was discovered that Ruby incorrectly handled...

USN-3525-1: Linux kernel vulnerability

Jann Horn discovered that microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Meltdown. A local attacker could use this to expose sensitive information, including kernel memory...

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-3459-2: MySQL vulnerabilities

USN-3459-1 fixed several vulnerabilities in MySQL. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: Multiple security issues were discovered in MySQL and this update includes new upstream MySQL versions to fix these issues. MySQL has been updated to...

USN-3420-2: Linux kernel (Xenial HWE) vulnerabilities

USN-3420-1 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 a buffer overflow existed in the Bluetooth stack of the Linux...