USN-4694-1: Linux kernel vulnerability

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-4692-1: tar vulnerabilities

Chris Siebenmann discovered that tar incorrectly handled extracting files resized during extraction when invoked with the --sparse flag. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 12.04 ESM, Ubuntu 14.04 ESM, Ubuntu 16.04 LTS and Ubuntu...

USN-4689-1: NVIDIA graphics drivers vulnerabilities

It was discovered that the NVIDIA GPU display driver for the Linux kernel contained a vulnerability that allowed user-mode clients to access legacy privileged APIs. A local attacker could use this to cause a denial of service or escalate privileges. CVE-2021-1052 It was discovered that the NVIDIA...

USN-4668-4 python-apt vulnerability

USN-4668-1 fixed a vulnerability in python-apt. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Kevin Backhouse discovered that python-apt incorrectly handled resources. A local attacker could possibly use this issue to cause python-apt to consume...

USN-4667-2 apt vulnerability

USN-4667-1 fixed a vulnerability in APT. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: 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...

USN-4667-2: APT vulnerability

USN-4667-1 fixed a vulnerability in APT. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: 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...

USN-4686-1: Ghostscript vulnerabilities

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

USN-4684-1: EDK II vulnerabilities

Laszlo Ersek discovered that EDK II incorrectly validated certain signed images. An attacker could possibly use this issue with a specially crafted image to cause EDK II to hang, resulting in a denial of service. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS...

USN-4682-1: WavPack vulnerability

It was discovered that WavPack incorrectly handled certain WAV files. An attacker could possibly use this issue to execute arbitrary code or cause a crash...

USN-4680-1: Linux kernel 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-4675-1: OpenStack Horizon vulnerability

Pritam Singh discovered that OpenStack Horizon incorrectly validated certain parameters. An attacker could possibly use this issue to cause OpenStack Horizon to redirect to a malicious URL...

USN-4674-2: Dovecot vulnerability

USN-4674-1 fixed a vulnerability in Dovecot. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Innokentii Sennovskiy discovered that Dovecot incorrectly handled MIME parsing. A remote attacker could possibly use this issue to cause Dovecot to crash,...

USN-4660-2: Linux kernel regression

USN-4660-1 fixed vulnerabilities in the Linux kernel. Unfortunately, that update introduced a regression in the software raid10 driver when used with fstrim that could lead to data corruption. This update fixes the problem. Original advisory details: It was discovered that a race condition existe...

USN-4658-2: Linux kernel regression

USN-4658-1 fixed vulnerabilities in the Linux kernel. Unfortunately, that update introduced a regression in the software raid10 driver when used with fstrim that could lead to data corruption. This update fixes the problem. Original advisory details: It was discovered that a race condition existe...

USN-4669-1: SquirrelMail vulnerability

It was discovered that a cross-site scripting XSS vulnerability in SquirrelMail allows remote attackers to use malicious script content from HTML e-mail to execute code and/or provoke a denial of service...

USN-4665-2: curl vulnerabilities

USN-4665-1 fixed several vulnerabilities in curl. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: Varnavas Papaioannou discovered that curl incorrectly handled FTP PASV responses. An attacker could possibly use this issue to tric...

USN-4665-1: curl vulnerabilities

Marc Aldorasi discovered that curl incorrectly handled the libcurl CURLOPTCONNECTONLY option. This could result in data being sent to the wrong destination, possibly exposing sensitive information. This issue only affected Ubuntu 20.10. CVE-2020-8231 Varnavas Papaioannou discovered that curl...

USN-4656-2: X.Org X Server vulnerabilities

USN-4656-1 fixed several vulnerabilities in X.Org. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Jan-Niklas Sohn discovered that the X.Org X Server XKB extension incorrectly handled certain inputs. A local attacker could possibly use this issue to...

USN-4661-1: Snapcraft vulnerability

It was discovered that Snapcraft includes the current directory when configuring LDLIBRARYPATH for application commands. If a user were tricked into installing a malicious snap or downloading a malicious library, under certain circumstances an attacker could exploit this to affect strict mode sna...

USN-4657-1: Linux kernel vulnerabilities

Elena Petrova discovered that the pin controller device tree implementation in the Linux kernel did not properly handle string references. A local attacker could use this to expose sensitive information kernel memory. CVE-2020-0427 Daniele Antonioli, Nils Ole Tippenhauer, and Kasper Rasmussen...