USN-4916-1 linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-dell300x, linux-gcp, linux-gcp-4.15, linux-hwe, linux-kvm, linux-lts-xenial, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities

It was discovered that the overlayfs implementation in the Linux kernel did not properly validate the application of file system capabilities with respect to user namespaces. A local attacker could use this to gain elevated privileges. CVE-2021-3493 Piotr Krysiuk discovered that the BPF JIT...

USN-4881-1 containerd vulnerability

It was discovered that containerd incorrectly handled certain environment variables. Contrary to expectations, a container could receive environment variables defined for a different container, possibly containing sensitive information...

USN-4856-1 golang-github-docker-docker-credential-helpers vulnerability

Jasiel Spelman discovered that docker-credential-helpers has a double free. A local attacker could use this to cause a denial of service crash or possibly execute arbitrary code...

USN-4837-1 libsass vulnerabilities

It was discovered that LibSass incorrectly handled certain specially crafted sass file. An attacker could possibly use this issue to cause a denial of service or other unspecified impact...

USN-4754-2 python2.7 regression

USN-4754-1 fixed a vulnerability in Python. The fix for CVE-2021-3177 introduced a regression in Python 2.7. This update reverts the security fix pending further investigation. We apologize for the inconvenience. Original advisory details: It was discovered that Python incorrectly handled certain...

USN-4742-1 python-django vulnerability

It was discovered that Django incorrectly accepted semicolons as query parameters. A remote attacker could possibly use this issue to perform a Web Cache Poisoning attack...

USN-4711-1 linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-gcp, linux-gcp-4.15, linux-gke-4.15, linux-kvm, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities

It was discovered that the LIO SCSI target implementation in the Linux kernel performed insufficient identifier checking in certain XCOPY requests. An attacker with access to at least one LUN in a multiple backstore environment could use this to expose sensitive information or modify data...

USN-4720-1 apport vulnerabilities

Itai Greenhut discovered that Apport incorrectly parsed certain files in the /proc filesystem. A local attacker could use this issue to escalate privileges and run arbitrary code. CVE-2021-25682, CVE-2021-25683 Itai Greenhut discovered that Apport incorrectly handled opening certain special files...

USN-4467-2 qemu vulnerabilities

USN-4467-1 fixed several vulnerabilities in QEMU. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: It was discovered that the QEMU SD memory card implementation incorrectly handled certain memory operations. An attacker inside a guest could possibly u...

USN-4680-1 linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-gcp, linux-gcp-4.15, linux-gke-4.15, linux-hwe, linux-kvm, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities

It was discovered that debugfs in the Linux kernel as used by blktrace contained a use-after-free in some situations. A privileged local attacker could possibly use this to cause a denial of service system crash. CVE-2019-19770 It was discovered that a race condition existed in the binder IPC...

USN-4633-1 postgresql-10, postgresql-12, postgresql-9.5 vulnerabilities

Peter Eisentraut discovered that PostgreSQL incorrectly handled connection security settings. Client applications could possibly be connecting with certain security parameters dropped, contrary to expectations. CVE-2020-25694 Etienne Stalmans discovered that PostgreSQL incorrectly handled the...

USN-4171-6 apport regression

USN-4171-1 fixed vulnerabilities in Apport. The update caused a regression when handling configuration files. This update fixes the problem, and also introduces further hardening measures. Original advisory details: Kevin Backhouse discovered Apport would read its user-controlled settings file as...

USN-4623-1 pacemaker vulnerability

Ken Gaillot discovered that Pacemaker incorrectly handled IPC communications permissions. A local attacker could possibly use this issue to bypass ACL restrictions and execute arbitrary code as root...

USN-4621-1 netqmail vulnerabilities

It was discovered that netqmail did not properly handle certain input. Both remote and local attackers could use this vulnerability to cause netqmail to crash or execute arbitrary code. CVE-2005-1513, CVE-2005-1514, CVE-2005-1515 It was discovered that netqmail did not properly handle certain inp...

USN-4562-1 ruby-kramdown vulnerability

It was discovered that kramdown insecurely handled certain crafted input. An attacker could use this vulnerability to read restricted files or execute arbitrary code...

USN-4556-1 netqmail vulnerabilities

It was discovered that netqmail did not properly handle certain input. Both remote and local attackers could use this vulnerability to cause netqmail to crash or execute arbitrary code. CVE-2005-1513, CVE-2005-1514, CVE-2005-1515 It was discovered that netqmail did not properly handle certain inp...

USN-4551-1 squid3 vulnerabilities

Alex Rousskov and Amit Klein discovered that Squid incorrectly handled certain Content-Length headers. A remote attacker could possibly use this issue to perform an HTTP request smuggling attack, resulting in cache poisoning. CVE-2020-15049 Amit Klein discovered that Squid incorrectly validated...

USN-4550-1 dpdk vulnerabilities

Ryan Hall discovered that DPDK incorrectly handled vhost crypto. An attacker inside a guest could use these issues to perform multiple attacks, including denial of service attacks, obtaining sensitive information from the host, and possibly executing arbitrary code on the host...

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-4522-1 novnc vulnerability

It was discovered that noVNC did not properly manage certain messages, resulting in the remote VNC server injecting arbitrary HTML into the noVNC web page. An attacker could use this issue to conduct cross-site scripting XSS attacks. CVE-2017-18635...

USN-4509-1 libdbi-perl vulnerabilities

It was discovered that Perl DBI module incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. CVE-2013-7490 It was discovered that Perl DBI module incorrectly handled certain files. An attacker could possibly use this issue to expose sensitive...

USN-4502-1 ruby-websocket-extensions vulnerability

It was discovered that websocket-extensions does not properly parse special headers. A remote attacker could use this issue to cause regex backtracking, resulting in a denial of service. CVE-2020-7663...

USN-4473-1 libmysofa vulnerabilities

It was discovered that libmysofa incorrectly handled certain input files. An attacker could possibly use this issue to cause a denial of service or other unspecified impact. CVE-2019-16091, CVE-2019-16092, CVE-2019-16093, CVE-2019-16094, CVE-2019-16095...

USN-4465-1 linux-hwe, linux-aws-5.3, linux-azure-5.3, linux-gke-5.3 vulnerabilities

It was discovered that the XFS file system implementation in the Linux kernel did not properly validate meta data in some circumstances. An attacker could use this to construct a malicious XFS image that, when mounted, could cause a denial of service. CVE-2020-12655 It was discovered that the...

USN-4446-1 squid3 vulnerabilities

Jeriko One discovered that Squid incorrectly handled caching certain requests. A remote attacker could possibly use this issue to perform cache-injection attacks or gain access to reverse proxy features such as ESI. CVE-2019-12520 Jeriko One and Kristoffer Danielsson discovered that Squid...

USN-4416-1 glibc vulnerabilities

Florian Weimer discovered that the GNU C Library incorrectly handled certain memory operations. A remote attacker could use this issue to cause the GNU C Library to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS. CVE-2017-121...

USN-4407-1 libvncserver vulnerabilities

It was discovered that LibVNCServer incorrectly handled decompressing data. An attacker could possibly use this issue to cause LibVNCServer to crash, resulting in a denial of service. CVE-2019-15680 It was discovered that an information disclosure vulnerability existed in LibVNCServer when sendin...

USN-4368-1 linux-gke-5.0, linux-oem-osp1 vulnerabilities

Tristan Madani discovered that the file locking implementation in the Linux kernel contained a race condition. A local attacker could possibly use this to cause a denial of service or expose sensitive information. CVE-2019-19769 It was discovered that the Serial CAN interface driver in the Linux...

USN-4318-1 linux, linux-hwe vulnerabilities

Al Viro discovered that the vfs layer 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 expose sensitive information kernel memory. CVE-2020-8428 Gustavo Romero and Paul Mackerras discovered that th...

USN-4316-2 libgd2 vulnerabilities

USN-4316-1 fixed a vulnerability in GD Graphics Library. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: It was discovered that GD Graphics Library incorrectly handled cloning an image. An attacker could possibly use this issue to cause GD Graphics...

USN-4288-2 ppp vulnerability

USN-4288-1 fixed a vulnerability in ppp. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: It was discovered that ppp incorrectly handled certain rhostname values. A remote attacker could use this issue to cause ppp to crash,...

USN-4250-2 mariadb-10.1, mariadb-10.3 vulnerability

It was discovered that an unspecified vulnerability existed in the C API component of MariaDB. An attacker could use this to cause a denial of service for MariaDB clients. MariaDB has been updated to 10.3.22 in Ubuntu 19.10 and 10.1.44 in Ubuntu 18.04 LTS. In addition to security fixes, the updat...

USN-4254-2 linux-lts-xenial, linux-aws vulnerabilities

USN-4254-1 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 ESM. It was discovered that the Linux kernel did not properly clear data structures on...

USN-4252-1 tcpdump vulnerabilities

Multiple security issues were discovered in tcpdump. A remote attacker could use these issues to cause tcpdump to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-4225-2 linux-hwe vulnerabilities

USN-4225-1 fixed vulnerabilities in the Linux kernel for Ubuntu 19.10. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 19.10 for Ubuntu 18.04 LTS. It was discovered that a heap-based buffer overflow existed in the Marvell WiFi-Ex Driver for...

USN-4238-1 sdl-image1.2 vulnerabilities

It was discovered that SDLimage incorrectly handled certain image files. An attacker could possibly use this issue to cause a denial of service or other unspecified impact...

USN-4228-1 linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities

It was discovered that a heap-based buffer overflow existed in the Marvell WiFi-Ex Driver for the Linux kernel. A physically proximate attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2019-14895, CVE-2019-14901 It was discovered that a...

USN-4223-1 openjdk-8, openjdk-lts vulnerabilities

Jan Jancar, Petr Svenda, and Vladimir Sedlacek discovered that a side- channel vulnerability existed in the ECDSA implementation in OpenJDK. An Attacker could use this to expose sensitive information. CVE-2019-2894 It was discovered that the Socket implementation in OpenJDK did not properly...

USN-4182-3 intel-microcode regression

USN-4182-1 provided updated Intel Processor Microcode. A regression was discovered that caused some Skylake processors to hang after a warm reboot. This update reverts the microcode for that specific processor family. We apologize for the inconvenience. Original advisory details: Stephan van...

USN-4210-1 linux, linux-aws, linux-aws-hwe, linux-gcp, linux-gke-4.15, linux-hwe, linux-kvm, linux-oem, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities

It was discovered that a buffer overflow existed in the 802.11 Wi-Fi configuration interface for the Linux kernel when handling beacon settings. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2019-16746 Nicolas Waisman discovered...

USN-4205-1 sqlite3 vulnerabilities

It was discovered that SQLite incorrectly handled certain schemas. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 12.04 ESM. CVE-2018-8740 It was discovered that SQLite incorrectly handled certain schemas. An attacker could possibly use thi...

USN-4199-1 libvpx vulnerabilities

It was discovered that libvpx did not properly handle certain malformed WebM media files. If an application using libvpx opened a specially crafted WebM file, a remote attacker could cause a denial of service, or possibly execute arbitrary code...

USN-4191-1 qemu vulnerabilities

It was discovered that the LSI SCSI adapter emulator implementation in QEMU did not properly validate executed scripts. A local attacker could use this to cause a denial of service. CVE-2019-12068 Sergej Schumilo, Cornelius Aschermann and Simon Wörner discovered that the qxl paravirtual graphics...

USN-4166-2 php5 vulnerability

USN-4166-1 fixed a vulnerability in PHP. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: It was discovered that PHP incorrectly handled certain paths when being used in FastCGI configurations. A remote attacker could possibly use...

USN-4166-1 php7.0, php7.2, php7.3 vulnerability

It was discovered that PHP incorrectly handled certain paths when being used in FastCGI configurations. A remote attacker could possibly use this issue to execute arbitrary code...

USN-4163-2 linux-lts-xenial, linux-aws vulnerabilities

USN-4163-1 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 ESM. It was discovered that a race condition existed in the ARC EMAC ethernet driver for th...

USN-4163-1 linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities

It was discovered that a race condition existed in the ARC EMAC ethernet driver for the Linux kernel, resulting in a use-after-free vulnerability. An attacker could use this to cause a denial of service system crash. CVE-2016-10906 It was discovered that a race condition existed in the Serial...

USN-4157-2 linux-hwe, linux-azure, linux-gcp, linux-gke-5.0 vulnerabilities

USN-4157-1 fixed vulnerabilities in the Linux kernel for Ubuntu 19.04. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 19.04 for Ubuntu 18.04 LTS. Wen Huang discovered that the Marvell Wi-Fi device driver in the Linux kernel did not properly...

USN-4116-1 linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities

It was discovered that a use-after-free error existed in the block layer subsystem of the Linux kernel when certain failure conditions occurred. A local attacker could possibly use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2018-20856 Amit Klein and Ben...

USN-4112-1 ceph vulnerability

Abhishek Lekshmanan discovered that the RADOS gateway implementation in Ceph did not handle client disconnects properly in some situations. A remote attacker could use this to cause a denial of service...