CVE-2021-3409

CVE-2021-3409 affects QEMU up to 5.2.0 and stems from an ineffective patch for CVE-2020-17380/CVE-2020-25085, leading to a heap/buffer overflow in the SDHCI controller emulation. Astra Linux reports these issues as a heap-based overflow triggered by a mis-handled write in the SDHC_BLKSIZE path of...

DEBIAN-CVE-2021-3416

A potential stack overflow via infinite loop issue was found in various NIC emulators of QEMU in versions up to and including 5.2.0. The issue occurs in loopback mode of a NIC wherein reentrant DMA checks get bypassed. A guest user/process may use this flaw to consume CPU cycles or crash the QEMU...

CVE-2021-27208

When booting a Zync-7000 SOC device from nand flash memory, the nand driver in the ROM does not validate the inputs when reading in any parameters in the nand’s parameter page. IF a field read in from the parameter page is too large, this causes a buffer overflow that could lead to arbitrary code...

CVE-2021-27208

When booting a Zync-7000 SOC device from nand flash memory, the nand driver in the ROM does not validate the inputs when reading in any parameters in the nand’s parameter page. IF a field read in from the parameter page is too large, this causes a buffer overflow that could lead to arbitrary code...

The vulnerability of the ati_2d_blt function (hw/display/ati_2d.c) in the QEMU hardware emulation software allows a hacker to trigger a service failure.

The vulnerability of the ati2dblt function hw/display/ati2d.c in the QEMU hardware emulation software is related to the execution of operations outside the buffer boundaries in memory. Exploiting this vulnerability can allow an attacker to cause a system failure...

The vulnerability of the QEMU hardware emulation software, related to the swapping of the zero pointer, allows a hacker to trigger a service failure.

The vulnerability of the QEMU hardware emulation software is related to the swapping of the zero pointer. Exploiting this vulnerability can allow a hacker to trigger a service failure...

Huawei EulerOS: Security Advisory for qemu (EulerOS-SA-2021-1632)

The remote host is missing an update for the Huawei EulerOS 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...

AZL-6829 CVE-2021-20255 affecting package qemu for versions less than 6.2.0-2

A stack overflow via an infinite recursion vulnerability was found in the eepro100 i8255x device emulator of QEMU. This issue occurs while processing controller commands due to a DMA reentry issue. This flaw allows a guest user or process to consume CPU cycles or crash the QEMU process on the hos...

QEMU: assertion failure through usb_packet_unmap() in hw/usb/hcd-ehci.c

A reachable assertion vulnerability was found in the USB EHCI emulation code of QEMU. This issue occurs while processing USB requests due to missed handling of DMA memory map failure. This flaw allows a malicious privileged user within the guest to send bogus USB requests and crash the QEMU proce...

EulerOS Virtualization for ARM 64 3.0.6.0 : qemu-kvm (EulerOS-SA-2021-1527)

According to the versions of the qemu-kvm packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities : - An out-of-bounds read vulnerability was found in the SLiRP networking implementation of the QEMU emulator. This flaw...

USN-4747-2: GNU Screen vulnerability

USN-4747-1 fixed a vulnerability in screen. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Felix Weinmann discovered that GNU Screen incorrectly handled certain character sequences. A remote attacker could use this issue to cause GNU Screen to crash...

QEMU: assertion failure through usb_packet_unmap() in hw/usb/hcd-ehci.c

A reachable assertion vulnerability was found in the USB EHCI emulation code of QEMU. This issue occurs while processing USB requests due to missed handling of DMA memory map failure. This flaw allows a malicious privileged user within the guest to send bogus USB requests and crash the QEMU proce...

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...

[SECURITY] [DSA 4861-1] screen security update

------------------------------------------------------------------------- Debian Security Advisory DSA-4861-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso February 21, 2021 https://www.debian.org/security/faq -...

IBM Security Verify Information Queue Session Fixation Vulnerability

IBM Security Verify Information Queue is a cross-product integrator that leverages Kafka technology and a publish/subscribe model to integrate data between IBM security products. A session fixation vulnerability exists in IBM Security Verify Information Queue. The vulnerability stems from incorre...

ATTPwn - Tool Designed To Emulate Adversaries

ATTPwn is a computer security tool designed to emulate adversaries. The tool aims to bring emulation of a real threat into closer contact with implementations based on the techniques and tactics from the MITRE ATT&CK framework. The goal is to simulate how a threat works in an intrusion scenario,...

Ubuntu: Security Advisory (USN-4725-1)

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...

USN-4725-1 qemu vulnerabilities

It was discovered that QEMU incorrectly handled memory in iSCSI emulation. An attacker inside the guest could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. CVE-2020-11947 Alexander Bulekov discovered tha...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : QEMU vulnerabilities (USN-4725-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4725-1 advisory. It was discovered that QEMU incorrectly handled memory in iSCSI emulation. An attacker inside the guest could possibly use this...

EulerOS 2.0 SP9 : qemu (EulerOS-SA-2021-1275)

According to the versions of the qemu package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - In QEMU through 5.0.0, an integer overflow was found in the SM501 display driver implementation. This flaw occurs in the COPYAREA macro while...