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...

UBUNTU-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 ...

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 SLES12: qemu / qemu-arm / qemu-block-curl / qemu-block-iscsi / etc (SUSE-SU-2021:2563-1)

The remote SUSE Linux SLES12 / SLESSAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:2563-1 advisory. Security issues fixed: - CVE-2021-3595: Fixed slirp: invalid pointer initialization may lead to information disclosure tftp...

AZL-6579 CVE-2021-37576 affecting package kernel for versions less than 5.10.78.1-1

arch/powerpc/kvm/book3srtas.c in the Linux kernel through 5.13.5 on the powerpc platform allows KVM guest OS users to cause host OS memory corruption via rtasargs.nargs, aka CID-f62f3c20647e...

UBUNTU-CVE-2021-37576

arch/powerpc/kvm/book3srtas.c in the Linux kernel through 5.13.5 on the powerpc platform allows KVM guest OS users to cause host OS memory corruption via rtasargs.nargs, aka CID-f62f3c20647e...

Information Disclosure

libslirp is vulnerable to information disclosure. The flaw exists in the udp6input function and could occur while processing a udp packet that is smaller than the size of the 'udphdr' structure. This issue may lead to out-of-bounds read access or indirect host memory disclosure to the guest...

CVE-2021-3595

An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the tftpinput function and could occur while processing a udp packet that is smaller than the size of the 'tftpt' structure. This issue may lead to out-of-bounds read access or...

DEBIAN-CVE-2021-3592

An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the bootpinput function and could occur while processing a udp packet that is smaller than the size of the 'bootpt' structure. A malicious guest could use this flaw to leak 10 byte...

CVE-2021-3593

An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the udp6input function and could occur while processing a udp packet that is smaller than the size of the 'udphdr' structure. This issue may lead to out-of-bounds read access or...

CVE-2021-3595

An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the tftpinput function and could occur while processing a udp packet that is smaller than the size of the 'tftpt' structure. This issue may lead to out-of-bounds read access or...

UBUNTU-CVE-2021-3592

An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the bootpinput function and could occur while processing a udp packet that is smaller than the size of the 'bootpt' structure. A malicious guest could use this flaw to leak 10 byte...

CVE-2021-3595

An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the tftpinput function and could occur while processing a udp packet that is smaller than the size of the 'tftpt' structure. This issue may lead to out-of-bounds read access or...

CVE-2021-3593

An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the udp6input function and could occur while processing a udp packet that is smaller than the size of the 'udphdr' structure. This issue may lead to out-of-bounds read access or...

SUSE SLES11 Security Update : spice (SUSE-SU-2021:14744-1)

The remote SUSE Linux SLES11 / SLESSAP11 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:14744-1 advisory. - CVE-2021-20201: client initiated renegotiation causing denial of service bsc1181686 - CVE-2020-14355: Fixed multiple buffer...

SUSE: Security Advisory (SUSE-SU-2016:1259-1)

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...

DEBIAN-CVE-2021-3545

An information disclosure vulnerability was found in the virtio vhost-user GPU device vhost-user-gpu of QEMU in versions up to and including 6.0. The flaw exists in virglcmdgetcapsetinfo in contrib/vhost-user-gpu/virgl.c and could occur due to the read of uninitialized memory. A malicious guest...

CVE-2021-3507

A heap buffer overflow was found in the floppy disk emulator of QEMU up to 6.0.0 including. It could occur in fdctrltransferhandler in hw/block/fdc.c while processing DMA read data transfers from the floppy drive to the guest system. A privileged guest user could use this flaw to crash the QEMU...

CVE-2021-3507

CVE-2021-3507 refers to a heap buffer overflow in QEMU’s floppy disk emulator up to version 6.0.0, triggered in fdctrl_transfer_handler() (hw/block/fdc.c) during DMA read data transfers from the floppy to the guest. Reported impact includes host DoS via crashing the QEMU process and potential inf...