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CVE-2022-39189

An issue was discovered the x86 KVM subsystem in the Linux kernel before 5.18.17. Unprivileged guest users can compromise the guest kernel because TLB flush operations are mishandled in certain KVM_VCPU_PREEMPTED situations.

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RHSA-2023:2951: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

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RHSA-2023:2736: Red Hat Security Advisory: kernel-rt security and bug fix update

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Red Hat Security Advisory 2023-2458-01

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CVE-2022-20455: Android Security Bulletin—February 2023

In addAutomaticZenRule of ZenModeHelper.java, there is a possible persistent denial of service due to resource exhaustion. This could lead to local denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12L Android-13Android ID: A-242537431

CVE-2022-43449: en/security-disclosure/2022/2022-11.md · OpenHarmony/security - Gitee.com

OpenHarmony-v3.1.2 and prior versions had an Arbitrary file read vulnerability via download_server. Local attackers can install an malicious application on the device and reveal any file from the filesystem that is accessible to download_server service which run with UID 1000.

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Ubuntu Security Notice USN-5683-1

Ubuntu Security Notice 5683-1 - It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Selim Enes Karaduman discovered that a race condition existed in the General notification queue implementation of 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.

Ubuntu Security Notice USN-5667-1

Ubuntu Security Notice 5667-1 - Selim Enes Karaduman discovered that a race condition existed in the General notification queue implementation of 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. Pawan Kumar Gupta, Alyssa Milburn, Amit Peled, Shani Rehana, Nir Shildan and Ariel Sabba discovered that some Intel processors with Enhanced Indirect Branch Restricted Speculation did not properly handle RET instructions after a VM exits. A local attacker could potentially use this to expose sensitive information.

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