kernel: powerpc: KVM guest OS users can cause host OS memory corruption

A flaw was found on the Linux kernel. On the PowerPC platform, the KVM guest allows the OS users to cause host OS memory corruption via rtasargs.nargs. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability...

kernel: powerpc: KVM guest OS users can cause host OS memory corruption

A flaw was found on the Linux kernel. On the PowerPC platform, the KVM guest allows the OS users to cause host OS memory corruption via rtasargs.nargs. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability...

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

An update 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 the CVE links...

CentOS 7 : kernel (RHSA-2021:3327)

The remote CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:3327 advisory. - A flaw was found in the way RTAS handled memory accesses in userspace to kernel communication. On a locked down usually due to Secure Boot guest syst...

RHEL 7 : kernel (RHSA-2021:3327)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:3327 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: out-of-bounds write in...

kernel: powerpc: RTAS calls can be used to compromise kernel integrity

A flaw was found in the way RTAS handled memory accesses in userspace to kernel communication. On a locked down usually due to Secure Boot guest system running on top of PowerVM or KVM hypervisors pseries platform a root like local user could use this flaw to further increase their privileges to...

kernel security and bug fix update

3.10.0-1160.41.1.OL7 - Update Oracle Linux certificates Ilya Okomin - Oracle Linux RHCK Module Signing Key was compiled into kernel [email protected] - Update x509.genkey Orabug: 24817676 - Conflict with shim-ia32 and shim-x64 = 15-2.0.9 - Update oraclekernel-sig-key...

SUSE: Security Advisory (SUSE-SU-2021:2842-1)

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...

SUSE SLES12 Security Update : kernel (Live Patch 40 for SLE 12 SP3) (SUSE-SU-2021:2846-1)

The remote SUSE Linux SLES12 / SLESSAP12 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:2846-1 advisory. This update for the Linux Kernel 4.4.180-94147 fixes several issues. The following security issues were fixed: - CVE-2021-37576: On...

SUSE-SU-2021:2846-1 Security update for the Linux Kernel (Live Patch 40 for SLE 12 SP3)

This update for the Linux Kernel 4.4.180-94147 fixes several issues. The following security issues were fixed: - CVE-2021-37576: On the powerpc platform KVM guest OS users could cause host OS memory corruption via rtasargs.nargs bsc1188838. - CVE-2021-28688: The fix for XSA-365 includes...

SUSE: Security Advisory (SUSE-SU-2021:2756-1)

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...

SUSE SLES12: kernel-livepatch-4_12_14-150_72-default / etc (SUSE-SU-2021:2746-1)

The remote SUSE Linux SLES12 / SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:2746-1 advisory. This update for the Linux Kernel 4.12.14-12277 fixes several issues. The following security issues were fixed: - CVE-2021-22543: Fixed...

openSUSE 15 Security Update : kernel (openSUSE-SU-2021:2687-1)

The remote SUSE Linux SUSE15 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2021:2687-1 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...

arch/powerpc/perf/core-book3s.c in the Linux kernel before 5.12.13 on systems with perf_event_paranoid=-1 and no specific PMU driver support registered allows local users to cause a denial of service (perf_instruction_pointer NULL pointer dereference and OOPS) via a "perf record" command.

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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: -...

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...

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: -...

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 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: -...

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...