PT-2025-8005 · Linux +2 · Linux Kernel +2

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A resolved issue in the Linux kernel involves the mremap syscall. When this syscall is called with old size=0 and ends up in move page tables, it unnecessarily calls invalidate range...

Oracle Linux 7 / 8 : Unbreakable Enterprise kernel-container (ELSA-2022-9265)

The remote Oracle Linux 7 / 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2022-9265 advisory. 5.4.17-2136.305.5.5 - KVM: x86/mmu: do compare-and-exchange of gPTE via the user address Paolo Bonzini Orabug: 34034594 CVE-2022-1158 Tenable has extracted...

CVE-2022-1263

A NULL pointer dereference issue was found in KVM when releasing a vCPU with dirty ring support enabled. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a kernel oops condition that results in a denial of service...

CVE-2021-3607 affecting package qemu-kvm 4.2.0-48

CVE-2021-3607 affecting package qemu-kvm 4.2.0-48. A patched version of the package is available...

CVE-2021-3947 affecting package qemu-kvm 4.2.0-48

CVE-2021-3947 affecting package qemu-kvm 4.2.0-48. A patched version of the package is available...

CVE-2021-3930 affecting package qemu-kvm 4.2.0-48

CVE-2021-3930 affecting package qemu-kvm 4.2.0-48. A patched version of the package is available...

CVE-2021-3608 affecting package qemu-kvm 4.2.0-48

CVE-2021-3608 affecting package qemu-kvm 4.2.0-48. A patched version of the package is available...

CVE-2022-1158

A flaw was found in KVM. When updating a guest's page table entry, vmpgoff was improperly used as the offset to get the page's pfn. As vaddr and vmpgoff are controllable by user-mode processes, this flaw allows unprivileged local users on the host to write outside the userspace region and...

CVE-2021-20295

It was discovered that the update for the virt:rhel module in the RHSA-2020:4676 https://access.redhat.com/errata/RHSA-2020:4676 erratum released as part of Red Hat Enterprise Linux 8.3 failed to include the fix for the qemu-kvm component issue CVE-2020-10756, which was previously corrected in...

CVE-2021-20295

It was discovered that the update for the virt:rhel module in the RHSA-2020:4676 https://access.redhat.com/errata/RHSA-2020:4676 erratum released as part of Red Hat Enterprise Linux 8.3 failed to include the fix for the qemu-kvm component issue CVE-2020-10756, which was previously corrected in...

CVE-2021-20295

It was discovered that the update for the virt:rhel module in the RHSA-2020:4676 https://access.redhat.com/errata/RHSA-2020:4676 erratum released as part of Red Hat Enterprise Linux 8.3 failed to include the fix for the qemu-kvm component issue CVE-2020-10756, which was previously corrected in...

Security feature bypass

It was discovered that the update for the virt:rhel module in the RHSA-2020:4676 https://access.redhat.com/errata/RHSA-2020:4676 erratum released as part of Red Hat Enterprise Linux 8.3 failed to include the fix for the qemu-kvm component issue CVE-2020-10756, which was previously corrected in...

CVE-2021-20295

CVE-2021-20295 is a Red Hat–specific regression assigned to the absence of the previously delivered fix for CVE-2020-10756 in virt:rhel/qemu-kvm when updating RHSA-2020:4676 for RHEL 8.3. The issue arose because the update failed to include the fix that had been applied earlier via RHSA-2020:4059...

CVE-2021-20295

It was discovered that the update for the virt:rhel module in the RHSA-2020:4676 https://access.redhat.com/errata/RHSA-2020:4676 erratum released as part of Red Hat Enterprise Linux 8.3 failed to include the fix for the qemu-kvm component issue CVE-2020-10756, which was previously corrected in...

USN-5362-1: Linux kernel (Intel IOTG) vulnerabilities

Nick Gregory discovered that the Linux kernel incorrectly handled network offload functionality. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. CVE-2022-25636 Enrico Barberis, Pietro Frigo, Marius Muench, Herbert Bos, and Cristiano Giuffrida...

USN-5361-1: Linux kernel vulnerabilities

It was discovered that the VFIO PCI driver in the Linux kernel did not properly handle attempts to access disabled memory spaces. A local attacker could use this to cause a denial of service system crash. CVE-2020-12888 Mathy Vanhoef discovered that the Linux kernel’s WiFi implementation did not...

Ubuntu 20.04 LTS : Linux kernel (Intel IOTG) vulnerabilities (USN-5362-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5362-1 advisory. Nick Gregory discovered that the Linux kernel incorrectly handled network offload functionality. A local attacker could use this to cause a denial of...

Ubuntu: Security Advisory (USN-5357-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-5357-1: Linux kernel vulnerability

It was discovered that the IPsec implementation in the Linux kernel did not properly allocate enough memory when performing ESP transformations, leading to a heap-based buffer overflow. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code...

Insecure Access Control

linux is vulnerable to insecure access control. The vulnerability exists due to a flaw in kvms390guestsidaop in the arch/s390/kvm/kvm-s390.c function in KVM allowing an attacker to obtain unauthorized memory write access...