Linux Distros Unpatched Vulnerability : CVE-2021-3653

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

Rocky Linux 8 : kernel (RLSA-2021:3548)

The remote Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-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 provide...

K11546763: Linux kernel vulnerability CVE-2021-3653

Security Advisory Description 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...

Unbreakable Enterprise kernel security update

5.4.17-2136.314.6.2 - proc: procskipspaces shouldn't think it is working on C strings Linus Torvalds Orabug: 34883034 CVE-2022-4378 - proc: avoid integer type confusion in getproclong Linus Torvalds Orabug: 34883034 CVE-2022-4378 5.4.17-2136.314.6.1 - RDMA/uverbs: Move IBEVENTDEVICEFATAL to...

Unbreakable Enterprise kernel security update

5.15.0-5.76.5.1 - proc: procskipspaces shouldn't think it is working on C strings Linus Torvalds Orabug: 34883037 CVE-2022-4378 - proc: avoid integer type confusion in getproclong Linus Torvalds Orabug: 34883037 CVE-2022-4378 5.15.0-5.76.5 - KVM: x86: Use SRCU to protect zap in...

RHEL 7 : kernel (RHSA-2021:4768)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:4768 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: use-after-free in...

Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel 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 from th...

ALSA-2022:0825 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. The following packages have been upgraded to a later upstream version: kernel 4.18.0. BZ2036888 Security Fixes: kernel: improper initialization of the "flags" member of the new pipebuffer CVE-2022-0847 kernel: U...

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 (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 -...

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 -...

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 ...