CVE-2020-35505

A NULL pointer dereference flaw was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0. This issue occurs while handling the 'Information Transfer' command. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of...

How to Check HBA Host and its Corresponding WWPN on XenServer

This article explains how to check HBA host and its corresponding WWPN on XenServer...

Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel 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 th...

CVE-2019-16233

A flaw was found in the Linux kernel. A NULL pointer dereference flaw was found in the QLOGIC drivers for HBA. A call to allocworkqueue return was not validated and can cause a denial of service. The highest threat from this vulnerability is to system availability. Mitigation Mitigation for this...

CVE-2015-8613

CVE-2015-8613 is a stack-based buffer overflow in QEMU’s megasas_ctrl_get_info when using SCSI MegaRAID SAS HBA emulation, allowing local guest users to crash the QEMU process (DoS) via a crafted CTRL_GET_INFO SCSI command. The vulnerability affects QEMU’s SCSI MegaRAID SAS HBA emulation and has ...

How to confirm the status of HBA inserted into XenServer Host

Inorder for Storage repositories like LVMOBHA to connect properly, first step is to confirm if the HBA are connected properly to the Host. This article will help in confirming that...

How to Troubleshoot Multiple HBA Cards Issue in XenServer

How to troubleshoot multiple HBA Cards issue...

kernel security update

kernel 2.6.18-409.0.0.0.1 - netfront fix ring buffer index go back led vif stop orabug 18272251 - net fix tcptrimhead James Li orabug 14512145, 19219078 - ocfs2: dlm: fix recovery hung Junxiao Bi orabug 13956772 - i386: fix MTRR code Zhenzhong Duan orabug 15862649 - oprofile x86, mm: Add...

Debian Security Advisory DSA 3471-1 (qemu - security update)

Several vulnerabilities were discovered in qemu, a full virtualization solution on x86 hardware. CVE-2015-7295 Jason Wang of Red Hat Inc. discovered that the Virtual Network Device support is vulnerable to denial-of-service, that could occur when receiving large packets. CVE-2015-7504 Qinghao Tan...

Ubuntu: Security Advisory (USN-2891-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2016 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...

Ubuntu 14.04 LTS : QEMU vulnerabilities (USN-2891-1)

The remote Ubuntu 14.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-2891-1 advisory. Qinghao Tang discovered that QEMU incorrectly handled PCI MSI-X support. An attacker inside the guest could use this issue to cause QEMU to crash,...

USN-2891-1: QEMU vulnerabilities

Qinghao Tang discovered that QEMU incorrectly handled PCI MSI-X support. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS and Ubuntu 15.10. CVE-2015-7549 Lian Yihan discovered that QEMU incorrectl...

FreeBSD : qemu -- denial of service vulnerability in MegaRAID SAS HBA emulation (b3f9f8ef-b1bb-11e5-9728-002590263bf5)

Prasad J Pandit, Red Hat Product Security Team, reports : Qemu emulator built with the SCSI MegaRAID SAS HBA emulation support is vulnerable to a stack-based buffer overflow issue. It occurs while processing the SCSI controller's CTRLGETINFO command. A privileged guest user could use this flaw to...

qemu -- denial of service vulnerability in MegaRAID SAS HBA emulation

Prasad J Pandit, Red Hat Product Security Team, reports: Qemu emulator built with the SCSI MegaRAID SAS HBA emulation support is vulnerable to a stack buffer overflow issue. It occurs while processing the SCSI controller's CTRLGETINFO command. A privileged guest user could use this flaw to crash...

Oracle: Security Advisory (ELSA-2009-1243)

The remote host is missing an update for the SPDX-FileCopyrightText: 2015 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...

How to Disable SR-IOV on Emulex CNA\HBA on HP Hosts Running XenServer 6.5

To Disable SR-IOV on Emulex CNA\HBA...

Oracle: Security Advisory (ELSA-2011-0303)

The remote host is missing an update for the SPDX-FileCopyrightText: 2015 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...

Oracle: Security Advisory (ELSA-2010-0723)

The remote host is missing an update for the SPDX-FileCopyrightText: 2015 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...

Oracle: Security Advisory (ELSA-2010-0704)

The remote host is missing an update for the SPDX-FileCopyrightText: 2015 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...

Oracle: Security Advisory (ELSA-2011-0429)

The remote host is missing an update for the SPDX-FileCopyrightText: 2015 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...