Important: kernel security and bug fix update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: use-after-free in net/bluetooth/hcievent.c when destroying an hcichan CVE-2021-33034 kernel: security bypass in certs/blacklist.c and certs/systemkeyring.c CVE-2020-26541 For more details...

QEMU: reachable assertion failure in net_tx_pkt_add_raw_fragment() in hw/net/net_tx_pkt.c

An assertion failure flaw was found in QEMU in the network packet processing component. This issue affects the "e1000e" and "vmxnet3" network devices. This flaw allows a malicious guest user or process to abort the QEMU process on the host, resulting in a denial of service...

Windows does not recognize the VMXNET3 on App layer after upgraded to Windows 10 20H2.

After upgraded to Windows 10 20H2 on OS layer, then add a new version to App layer or platform layer, Windows virtual machine does not recognize the VMXNET3 virtual adapter. In the Windows device manager, you see a message similar to on packing machine: This device cannot start. Code 10 Operation...

SUSE: Security Advisory (SUSE-SU-2021:1244-1)

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...

OESA-2021-1128 qemu security update

QEMU is a FAST! processor emulator using dynamic translation to achieve good emulation speed. QEMU has two operating modes: Full system emulation. In this mode, QEMU emulates a full system for example a PC, including one or several processors and various peripherals. It can be used to launch...

Medium: qemu-kvm

Issue Overview: An out-of-bound write access flaw was found in the way QEMU loads ROM contents at boot time. This flaw occurs in the romcopy routine while loading the contents of a 32-bit -kernel image into memory. Running an untrusted -kernel image may load contents at arbitrary memory locations...

QEMU: reachable assertion failure in net_tx_pkt_add_raw_fragment() in hw/net/net_tx_pkt.c

An assertion failure flaw was found in QEMU in the network packet processing component. This issue affects the "e1000e" and "vmxnet3" network devices. This flaw allows a malicious guest user or process to abort the QEMU process on the host, resulting in a denial of service...

An integer overflow issue was found in the vmxnet3 NIC emulator of the QEMU for versions up to v5.2.0. It may occur if a guest was to supply invalid values for rx/tx queue size or other NIC parameters. A privileged guest user may use this flaw to crash the QEMU process on the host resulting in DoS scenario.

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QEMU <= 5.2.0 DoS Vulnerability

QEMU is prone to a denial of service DoS vulnerability. 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 c...

CVE-2021-20203

An integer overflow issue was found in the vmxnet3 NIC emulator of the QEMU for versions up to v5.2.0. It may occur if a guest was to supply invalid values for rx/tx queue size or other NIC parameters. A privileged guest user may use this flaw to crash the QEMU process on the host resulting in Do...

CVE-2021-20203

An integer overflow issue was found in the vmxnet3 NIC emulator of the QEMU for versions up to v5.2.0. It may occur if a guest was to supply invalid values for rx/tx queue size or other NIC parameters. A privileged guest user may use this flaw to crash the QEMU process on the host resulting in Do...

CVE-2021-20203

An integer overflow issue was found in the vmxnet3 NIC emulator of the QEMU for versions up to v5.2.0. It may occur if a guest was to supply invalid values for rx/tx queue size or other NIC parameters. A privileged guest user may use this flaw to crash the QEMU process on the host resulting in Do...

CVE-2021-20203

An integer overflow issue was found in the vmxnet3 NIC emulator of the QEMU for versions up to v5.2.0. It may occur if a guest was to supply invalid values for rx/tx queue size or other NIC parameters. A privileged guest user may use this flaw to crash the QEMU process on the host resulting in Do...

Integer overflow

An integer overflow issue was found in the vmxnet3 NIC emulator of the QEMU for versions up to v5.2.0. It may occur if a guest was to supply invalid values for rx/tx queue size or other NIC parameters. A privileged guest user may use this flaw to crash the QEMU process on the host resulting in Do...

UBUNTU-CVE-2021-20203

An integer overflow issue was found in the vmxnet3 NIC emulator of the QEMU for versions up to v5.2.0. It may occur if a guest was to supply invalid values for rx/tx queue size or other NIC parameters. A privileged guest user may use this flaw to crash the QEMU process on the host resulting in Do...

CVE-2021-20203

An integer overflow issue was found in the vmxnet3 NIC emulator of the QEMU for versions up to v5.2.0. It may occur if a guest was to supply invalid values for rx/tx queue size or other NIC parameters. A privileged guest user may use this flaw to crash the QEMU process on the host resulting in Do...

CVE-2021-20203

CVE-2021-20203 affects the QEMU vmxnet3 NIC emulator (versions up to v5.2.0). A defect allows an integer overflow when a guest supplies invalid rx/tx queue sizes or NIC parameters, potentially crashing the QEMU process on the host and causing DoS. Multiple connected advisories note fixes via upda...

CVE-2021-20203

An integer overflow issue was found in the vmxnet3 NIC emulator of the QEMU for versions up to v5.2.0. It may occur if a guest was to supply invalid values for rx/tx queue size or other NIC parameters. A privileged guest user may use this flaw to crash the QEMU process on the host resulting in Do...

CVE-2021-20203

An integer overflow issue was found in the vmxnet3 NIC emulator of the QEMU for versions up to v5.2.0. It may occur if a guest was to supply invalid values for rx/tx queue size or other NIC parameters. A privileged guest user may use this flaw to crash the QEMU process on the host resulting in Do...

SUSE SLED15 / SLES15 Security Update : qemu (SUSE-SU-2021:0521-1)

This update for qemu fixes the following issues : Fixed potential privilege escalation in virtfs CVE-2021-20181 bsc1182137 Fixed out-of-bound access in iscsi CVE-2020-11947 bsc1180523 Fixed out-of-bound access in vmxnet3 emulation CVE-2021-20203 bsc1181639 Fixed out-of-bound access in ARM interru...