Fedora: Security Advisory for swtpm (FEDORA-2022-12443a525c)

The remote host is missing an update for the Copyright C 2022 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...

Oracle Linux 7 : libtpms (ELSA-2022-9240)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2022-9240 advisory. libtpms 0.8.8-1.el7 - spec: Update spec file to version 0.8.8 Fri Sep 17 2021 Stefan Berger - 0.8.7-1 - tpm2: Fixes for building and running with OpenS...

OESA-2022-1576 swtpm security update

TPM emulator built on libtpms providing TPM functionality for QEMU VMs Security Fixes: swtpm is a libtpms-based TPM emulator with socket, character device, and Linux CUSE interface. Versions prior to 0.5.3, 0.6.2, and 0.7.1 are vulnerable to out-of-bounds read. A specially crafted header of swtpm...

CVE-2021-20257

An infinite loop flaw was found in the e1000 NIC emulator of the QEMU. This issue occurs while processing transmits tx descriptors in processtxdesc if various descriptor fields are initialized with invalid values. This flaw allows a guest to consume CPU cycles on the host, resulting in a denial o...

Denial of service

An infinite loop flaw was found in the e1000 NIC emulator of the QEMU. This issue occurs while processing transmits tx descriptors in processtxdesc if various descriptor fields are initialized with invalid values. This flaw allows a guest to consume CPU cycles on the host, resulting in a denial o...

CVE-2021-20257

CVE-2021-20257 concerns QEMU’s e1000 NIC emulator. The issue is an infinite loop in process_tx_desc when tx descriptor fields are invalid, allowing a guest to exhaust host CPU and cause DoS. Connected advisories confirm this affects QEMU and related builds (e.g., Debian LTS, Red Hat/AL2, Astra Li...

CVE-2021-20257

An infinite loop flaw was found in the e1000 NIC emulator of the QEMU. This issue occurs while processing transmits tx descriptors in processtxdesc if various descriptor fields are initialized with invalid values. This flaw allows a guest to consume CPU cycles on the host, resulting in a denial o...

CVE-2021-20257

An infinite loop flaw was found in the e1000 NIC emulator of the QEMU. This issue occurs while processing transmits tx descriptors in processtxdesc if various descriptor fields are initialized with invalid values. This flaw allows a guest to consume CPU cycles on the host, resulting in a denial o...

CVE-2021-20257

An infinite loop flaw was found in the e1000 NIC emulator of the QEMU. This issue occurs while processing transmits tx descriptors in processtxdesc if various descriptor fields are initialized with invalid values. This flaw allows a guest to consume CPU cycles on the host, resulting in a denial o...

QEMU 安全漏洞

QEMU Quick Emulator is a set of simulation processor software by Fabrice Bellard, a French individual developer. The software is fast and cross-platform. A security vulnerability exists in QEMU version 6.2.0, which stems from a previous fix for CVE-2021-3748 in the QEMU virtio-net appliance, that...

CVE-2021-20257: Loop with Unreachable Exit Condition

An infinite loop flaw was found in the e1000 NIC emulator of the QEMU. This issue occurs while processing transmits tx descriptors in processtxdesc if various descriptor fields are initialized with invalid values. This flaw allows a guest to consume CPU cycles on the host, resulting in a denial o...

[SECURITY] Fedora 35 Update: swtpm-0.7.1-1.20220218git92a7035.fc35

TPM emulator built on libtpms providing TPM functionality for QEMU VMs...

[SECURITY] Fedora 34 Update: swtpm-0.6.2-1.20220218git23b78c0.fc34

TPM emulator built on libtpms providing TPM functionality for QEMU VMs...

QEMU Denial of Service Vulnerability (CNVD-2022-84162)

QEMU is a suite of emulation processor software from the personal developer Fabrice Bellard of France. The software is fast and cross-platform, and a denial-of-service vulnerability exists in QEMU, which stems from the incorrect handling of certain values by the QEMU NIC emulator. An attacker...

USN-5307-1 qemu vulnerabilities

Gaoning Pan discovered that QEMU incorrectly handled the floppy disk emulator. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. CVE-2021-20196 Gaoning Pan discovered that the QEMU vmxnet3 NIC emulator incorrectly handled certain values. A...

Ubuntu 18.04 LTS / 20.04 LTS : QEMU vulnerabilities (USN-5307-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5307-1 advisory. Gaoning Pan discovered that QEMU incorrectly handled the floppy disk emulator. An attacker inside the guest could use this issue to cause QEM...

[SECURITY] Fedora 34 Update: qemu-5.2.0-9.fc34

QEMU is a generic and open source processor emulator which achieves a good emulation speed by using dynamic translation. QEMU has two operating modes: Full system emulation. In this mode, QEMU emulates a full system for example a PC, including a processor and various peripherials. It can be used ...

DEBIAN-CVE-2021-3608

A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device in versions prior to 6.1.0. The issue occurs while handling a "PVRDMAREGDSRHIGH" write from the guest and may result in a crash of QEMU or cause undefined behavior due to the access of an uninitialized pointer. The...

DEBIAN-CVE-2021-3607

An integer overflow was found in the QEMU implementation of VMWare's paravirtual RDMA device in versions prior to 6.1.0. The issue occurs while handling a "PVRDMAREGDSRHIGH" write from the guest due to improper input validation. This flaw allows a privileged guest user to make QEMU allocate a lar...

unicorn:fuzz_emu_mips_32be: Index-out-of-bounds in helper_dpau_h_qbr_mips

Detailed Report: https://oss-fuzz.com/testcase?key=5914025228107776 Project: unicorn Fuzzing Engine: libFuzzer Fuzz Target: fuzzemumips32be Job Type: libfuzzerubsanunicorn Platform Id: linux Crash Type: Index-out-of-bounds Crash Address: Crash State: helperdpauhqbrmips Sanitizer: undefined UBSAN...