Red Hat Security Advisory 2021-4356-28 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include buffer overflow, bypass, denial of service, double free, heap overflow, information leakage, null pointer, out of bounds read, and use-after-free vulnerabilities.
4dfc7aebdc7ac022001a4c7d69c2bd52229c03ec9dfec7f38b9b87cefa159f78Red Hat Security Advisory 2021-3653-01 - Red Hat Advanced Cluster Management 2.1.11 security fix and container updates are available.
15f863255ce01b9af4125b6f699165597020889114335a232c7f75076dc7e35cRed Hat Security Advisory 2021-3454-01 - Red Hat Advanced Cluster Management for Kubernetes 2.3.2 images Red Hat Advanced Cluster Management for Kubernetes provides the capabilities to address common challenges that administrators and site reliability engineers face as they work across a range of public and private cloud environments. Clusters and applications are all visible and managed from a single console—with security policy built in. This advisory contains the container images for Red Hat Advanced Cluster Management for Kubernetes, which fix several bugs and security issues.
ededc503492f31daf90a74b29a6e64b1e7ee98978cd963f10901af9667484f8eRed Hat Security Advisory 2021-3327-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include denial of service, out of bounds write, and privilege escalation vulnerabilities.
b20ba2534d111110aaf1bd0add4dc3ab65b04821835470cce71af9635bd44116Ubuntu Security Notice 4751-1 - It was discovered that the console keyboard driver in the Linux kernel contained a race condition. A local attacker could use this to expose sensitive information. Minh Yuan discovered that the tty driver in the Linux kernel contained race conditions when handling fonts. A local attacker could possibly use this to expose sensitive information. Bodong Zhao discovered a use-after-free in the Sun keyboard driver implementation in the Linux kernel. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.
e9d3e10fdaf8851fce0f2b40b30eae653fe05a491bcde750907baec6b6f2532bUbuntu Security Notice 4708-1 - Wen Xu discovered that the XFS filesystem implementation in the Linux kernel did not properly track inode validations. An attacker could use this to construct a malicious XFS image that, when mounted, could cause a denial of service. It was discovered that the btrfs file system implementation in the Linux kernel did not properly validate file system metadata in some situations. An attacker could use this to construct a malicious btrfs image that, when mounted, could cause a denial of service. Various other issues were also addressed.
ee3ba6a5f1ef72c2c85d181889c74ab4b335aa9c49a0f1b94413ecb7a848dc09Ubuntu Security Notice 4680-1 - 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. It was discovered that a race condition existed in the binder IPC implementation in the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.
f8bb161739bd9ff04ef2e592dea7faf6d742ed985cb591f733ceddfc5a9eeca9Ubuntu Security Notice 4679-1 - It was discovered that the console keyboard driver in the Linux kernel contained a race condition. A local attacker could use this to expose sensitive information. Minh Yuan discovered that the tty driver in the Linux kernel contained race conditions when handling fonts. A local attacker could possibly use this to expose sensitive information. Kiyin discovered that the perf subsystem in the Linux kernel did not properly deallocate memory in some situations. A privileged attacker could use this to cause a denial of service. Various other issues were also addressed.
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