AlmaLinux 8 : kernel (ALSA-2021:3548)

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2021:3548 advisory. - A flaw was found in the KVM's AMD code for supporting SVM nested virtualization. The flaw occurs when processing the VMCB virtual machine control block provided ...

Mageia: Security Advisory (MGASA-2021-0409)

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...

LSN-0083-1: Kernel Live Patch Security Notice

The BPF subsystem in the Linux kernel before 4.17 mishandles situations with a long jump over an instruction sequence where inner instructions require substantial expansions into multiple BPF instructions, leading to an overflow. This affects kernel/bpf/core.c and net/core/filter.c.CVE-2018-25020...

Debian DLA-2843-1 : linux - LTS security update

The remote Debian 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-2843 advisory. - Use-after-free vulnerability in the Linux kernel exploitable by a local attacker due to reuse of a DCCP socket with an attached dccpshctxccid object as a listene...

Oracle Linux 7 / 8 : Unbreakable Enterprise kernel-container (ELSA-2021-9565)

The remote Oracle Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-9565 advisory. - LTS tag: v5.4.142 Jack Vogel CVE-2021-3653 CVE-2021-3656 - KVM: nSVM: always intercept VMLOAD/VMSAVE when nested CVE-2021-3656 Maxim Levitsky -...

Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2021-9564)

The remote Oracle Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-9564 advisory. - LTS tag: v5.4.142 Jack Vogel CVE-2021-3653 CVE-2021-3656 - KVM: nSVM: always intercept VMLOAD/VMSAVE when nested CVE-2021-3656 Maxim Levitsky -...

CentOS 7 : kernel (RHSA-2021:3801)

The remote CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:3801 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 being freed...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 7.4 Advanced Update Support. 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...

SUSE SLES15: cluster-md-kmp-rt / dlm-kmp-rt / gfs2-kmp-rt / kernel-devel-rt / etc (SUSE-SU-2021:3415-1)

The remote SUSE Linux SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:3415-1 advisory. The SUSE Linux Enterprise 15 SP3 kernel was updated. The following security bugs were fixed: - CVE-2020-3702: Fixed a bug which could be...

RHEL 7 : kernel (RHSA-2021:3801)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:3801 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Improper handling of...

CVE-2021-3653

A flaw was found in the KVM's AMD code for supporting SVM nested virtualization. The flaw occurs when processing the VMCB virtual machine control block provided by the L1 guest to spawn/handle a nested guest L2. Due to improper validation of the "intctl" field, this issue could allow a malicious ...

Input validation

A flaw was found in the KVM's AMD code for supporting SVM nested virtualization. The flaw occurs when processing the VMCB virtual machine control block provided by the L1 guest to spawn/handle a nested guest L2. Due to improper validation of the "intctl" field, this issue could allow a malicious ...

CVE-2021-3653

The CVE-2021-3653 issue affects the KVM hypervisor AMD code dealing with SVM nested virtualization. The root cause is improper validation of the int_ctl field in the VMCB provided by an L1 guest, which could allow a malicious L1 to enable AVIC for an L2 guest. Consequences stated across connected...

CVE-2021-3653

A flaw was found in the KVM's AMD code for supporting SVM nested virtualization. The flaw occurs when processing the VMCB virtual machine control block provided by the L1 guest to spawn/handle a nested guest L2. Due to improper validation of the "intctl" field, this issue could allow a malicious ...

CVE-2021-3653

A flaw was found in the KVM's AMD code for supporting SVM nested virtualization. The flaw occurs when processing the VMCB virtual machine control block provided by the L1 guest to spawn/handle a nested guest L2. Due to improper validation of the "intctl" field, this issue could allow a malicious ...

openSUSE 15 Security Update : kernel (openSUSE-SU-2021:3205-1)

The remote SUSE Linux SUSE15 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2021:3205-1 advisory. - An issue was discovered in the Linux kernel through 5.6.11. sgwrite lacks an sgremoverequest call in a certain failure case, aka...

SUSE SLES12 Security Update : kernel (Live Patch 36 for SLE 12 SP3) (SUSE-SU-2021:3196-1)

The remote SUSE Linux SLES12 / SLESSAP12 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:3196-1 advisory. This update for the Linux Kernel 4.4.180-94135 fixes several issues. The following security issues were fixed: - CVE-2021-3653: Fix...

SUSE SLED15: cluster-md-kmp-default / dlm-kmp-default / gfs2-kmp-default / etc (SUSE-SU-2021:3207-1)

The remote SUSE Linux SLED15 / SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:3207-1 advisory. The SUSE Linux Enterprise 15 SP2 kernel was updated to receive various security and bugfixes. The following security bugs were fixed: ...

SUSE SLES12: kernel-azure / kernel-azure-base / kernel-azure-devel / etc (SUSE-SU-2021:3192-1)

The remote SUSE Linux SLES12 / SLESSAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:3192-1 advisory. The SUSE Linux Enterprise 12 SP5 Azure kernel was updated to receive various security and bugfixes. The following security bugs wer...

Unbreakable Enterprise kernel security update

4.14.35-2047.507.7.4 - KVM: x86: Check kvmrebooting in kvmspuriousfault Sean Christopherson Orabug: 33362693 4.14.35-2047.507.7.3 - arm64: Reserve elfcorehdr before scanning reserved memory from device tree Dave Kleikamp Orabug: 33354710 4.14.35-2047.507.7.2 - net: geneve: modify IP header check ...