Unbreakable Enterprise kernel security update

5.4.17-2102.204.4.3 - KVM: nSVM: always intercept VMLOAD/VMSAVE when nested Maxim Levitsky Orabug: 33205365 CVE-2021-3656 CVE-2021-3656 - KVM: nSVM: avoid picking up unsupported bits from L2 in intctl Maxim Levitsky Orabug: 33205443 CVE-2021-3653 CVE-2021-3653...

Unbreakable Enterprise kernel-container security update

4.14.35-2047.506.10.el7 - Revert 'rds/ib: reap tx completions during connection shutdown' Manjunath Patil Orabug: 33220435 - Revert 'rds/ib: handle posted ACK during connection shutdown' Manjunath Patil Orabug: 33220435 - Revert 'rds/ib: recover rds connection from interrupt loss scenario'...

Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2021-9420)

The remote Oracle Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-9420 advisory. - KVM: nSVM: always intercept VMLOAD/VMSAVE when nested Maxim Levitsky Orabug: 33205365 CVE-2021-3656 CVE-2021-3656 Tenable has extracted the...

Oracle Linux 7 : Unbreakable Enterprise kernel (ELSA-2021-9419)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-9419 advisory. - KVM: nSVM: always intercept VMLOAD/VMSAVE when nested Maxim Levitsky Orabug: 33205367 CVE-2021-3656 CVE-2021-3656 Tenable has extracted the preceding...

Important: kernel

Issue Overview: A flaw was found in the Linux kernel's KVM implementation, where improper handing of the VMIO|VMPFNMAP VMAs in KVM bypasses RO checks and leads to pages being freed while still accessible by the VMM and guest. This flaw allows users who can start and control a VM to read/write...

Oracle Linux 7 / 8 : Unbreakable Enterprise kernel-container (ELSA-2021-9421)

The remote Oracle Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-9421 advisory. - KVM: nSVM: always intercept VMLOAD/VMSAVE when nested Maxim Levitsky Orabug: 33205365 CVE-2021-3656 Tenable has extracted the preceding descripti...

Unbreakable Enterprise kernel security update

4.14.35-2047.506.10 - Revert 'rds/ib: reap tx completions during connection shutdown' Manjunath Patil Orabug: 33220435 - Revert 'rds/ib: handle posted ACK during connection shutdown' Manjunath Patil Orabug: 33220435 - Revert 'rds/ib: recover rds connection from interrupt loss scenario' Manjunath...

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...

SUSE SLES15: cluster-md-kmp-rt / dlm-kmp-rt / gfs2-kmp-rt / kernel-devel-rt / etc (SUSE-SU-2021:2678-1)

The remote SUSE Linux SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:2678-1 advisory. The SUSE Linux Enterprise 15 SP2 RT kernel was updated to receive various security and bugfixes. The following security bugs were fixed: -...

Privilege Escalation

linux-kvm is vulnerable to privilege escalation. The vulnerability exists due to the lack of proper validation of user-supplied eBPF programs prior to executing...

arch/x86/kvm/svm/nested.c in the Linux kernel before 5.11.12 has a use-after-free in which an AMD KVM guest can bypass access control on host OS MSRs when there are nested guests aka CID-a58d9166a756. This occurs because of a TOCTOU race condition associated with a VMCB12 double fetch in nested_svm_vmrun.

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The vulnerability of the rtas_args.nargs function in the arch/powerpc/kvm/book3s_rtas.c driver of the Linux operating system allows a attacker to trigger memory corruption on the host operating system.

The vulnerability of the rtasargs.nargs function in the arch/powerpc/kvm/book3srtas.c driver of the Linux operating system is related to the possibility of writing outside the specified field. Exploiting this vulnerability could allow an attacker to cause damage to the host’s operating system’s...

CVE-2021-3546 affecting package qemu-kvm 4.2.0-48

CVE-2021-3546 affecting package qemu-kvm 4.2.0-48. A patched version of the package is available...

RHEL 8 : virt:rhel and virt-devel:rhel (RHSA-2021:3061)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:3061 advisory. Kernel-based Virtual Machine KVM offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contai...

SUSE SLES15: kernel-azure / kernel-azure-devel / kernel-devel-azure / etc (SUSE-SU-2021:2646-1)

The remote SUSE Linux SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:2646-1 advisory. The SUSE Linux Enterprise 15 SP2 Azure kernel was updated to receive various security and bugfixes. The following security bugs were fixed: -...

RHEL 8 : kpatch-patch (RHSA-2021:3044)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:3044 advisory. This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel...

SUSE SLES15: kernel-azure / kernel-azure-devel / kernel-devel-azure / etc (SUSE-SU-2021:2645-1)

The remote SUSE Linux SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:2645-1 advisory. The SUSE Linux Enterprise 15 SP3 Azure kernel was updated to receive various security and bugfixes. The following security bugs were fixed: -...

openSUSE 15 Security Update : kernel (openSUSE-SU-2021:2645-1)

The remote SUSE Linux SUSE15 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2021:2645-1 advisory. - 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...

openSUSE: Security Advisory for the (openSUSE-SU-2021:2645-1)

The remote host is missing an update for the Copyright C 2021 Greenbone Networks GmbH 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-or-later This program is free software; you can...

SUSE: Security Advisory (SUSE-SU-2021:2646-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 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...