Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/gpusvm: Reject VMs with VMIO or VMPFNMAP when creating SVM ranges. VMs marked with VMIO or VMPFNMAP are not backed by struct page objects, which GPUSVM requires in order to operate correctly. In particular, getpages relies on...

NewStart CGSL MAIN 6.02 : kernel Multiple Vulnerabilities (NS-SA-2022-0089)

The remote NewStart CGSL host, running version MAIN 6.02, has kernel packages installed that are affected by multiple vulnerabilities: - In the Linux kernel 5.0.21, mounting a crafted ext4 filesystem image, performing some operations, and unmounting can lead to a use-after-free in ext4putsuper in...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel (Raspberry Pi) vulnerabilities (USN-5071-3)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5071-3 advisory. It was discovered that the KVM hypervisor implementation in the Linux kernel did not properly perform reference counting in some situations,...

Security update for the Linux Kernel (important)

openSUSE Security Update: Security update for the Linux Kernel Announcement ID: openSUSE-SU-2021:2687-1 Rating: important References: 1065729 1085224 1094840 1113295 1152472 1152489 1153274 1154353 1155518 1156395 1170511 1176447 1176940 1179243 1180092 1180814 1183871 1184114 1184350 1184631...

Important: Red Hat Security Advisory: kpatch-patch security update

An update for kpatch-patch is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability...

CVE-2021-22543

An issue was discovered in Linux: KVM through Improper handling of VMIO|VMPFNMAP vmas in KVM can bypass RO checks and can lead to pages being freed while still accessible by the VMM and guest. This allows users with the ability to start and control a VM to read/write random pages of memory and ca...

CVE-2021-22543: Improper Restriction of Operations within the Bounds of a Memory Buffer

An issue was discovered in Linux: KVM through Improper handling of VMIO|VMPFNMAP vmas in KVM can bypass RO checks and can lead to pages being freed while still accessible by the VMM and guest. This allows users with the ability to start and control a VM to read/write random pages of memory and ca...