USN-5538-1: libtirpc vulnerability It was discovered that libtirpc incorrectly handled certain inputs. An attacker could possibly use this issue to cause a denial of service. Source: USN-5538-1: libtirpc vulnerability
USN-5537-1: MySQL vulnerabilities Multiple security issues were discovered in MySQL and this update includes new upstream MySQL versions to fix these issues. MySQL has been updated to 8.0.30 in Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. Ubuntu 18.04 LTS has been updated to MySQL 5.7.39. In addition to security fixes, the updated packages contain bug fixes, new features, and possibly incompatible changes. Please see the following for more information: https://dev.mysql.com/doc/relnotes/mysql/5.7/en/news-5-7-39.html https://dev.mysql.com/doc/relnotes/mysql/8.0/en/news-8-0-30.html https://www.oracle.com/security-alerts/cpujul2022.html Source: USN-5537-1: MySQL vulnerabilities
USN-5536-1: Firefox vulnerabilities Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, spoof the mouse pointer position, bypass Subresource Integrity protections, obtain sensitive information, or execute arbitrary code. Source: USN-5536-1: Firefox vulnerabilities
USN-5535-1: Intel Microcode vulnerabilities Joseph Nuzman discovered that some Intel processors did not properly initialise shared resources. A local attacker could use this to obtain sensitive information. (CVE-2021-0145) Mark Ermolov, Dmitry Sklyarov and Maxim Goryachy discovered that some Intel processors did not prevent test and debug logic from being activated at runtime. A local attacker could use this to escalate privileges. (CVE-2021-0146) It was discovered that some Intel processors did not implement sufficient control flow management. A local attacker could use this to cause a denial of service (system crash). (CVE-2021-0127) It was discovered that some Intel processors did not completely perform cleanup actions on multi-core shared buffers. A local attacker could possibly use this to expose sensitive information. (CVE-2022-21123, CVE-2022-21127) It was discovered that some Intel processors did not completely perform cleanup actions on microarchitectural fill buffers. A local [ more… ]
Disk caching in Microsoft Edge Beginning with Microsoft Edge 102 on Windows, Microsoft Edge now automatically compresses disk caches for improved performance and a reduced disk footprint. Our goal on the Microsoft Edge team is to deliver the best performing browser possible on Windows and other platforms. When a browser uses too many resources, it not only impacts the browsing experience but can also slow down the entire system. However, when it comes to performance optimizations, we often need to balance optimizing for the entire system, since optimizing for one resource can often come at a cost increasing the use of another resource. One such example is the use of disk cache that is used by browsers to store resources fetched from the web so that they can be accessed quickly later if needed. The larger the size of the [ more… ]
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