QEMU: block: iscsi: OOB heap access via an unexpected response of iSCSI Server

An out-of-bounds heap buffer access flaw was found in the way the iSCSI Block driver in QEMU handled a response coming from an iSCSI server while checking the status of a Logical Address Block LBA in an iscsicoblockstatus routine. A remote user could use this flaw to crash the QEMU process,...

QEMU: block: iscsi: OOB heap access via an unexpected response of iSCSI Server

An out-of-bounds heap buffer access flaw was found in the way the iSCSI Block driver in QEMU handled a response coming from an iSCSI server while checking the status of a Logical Address Block LBA in an iscsicoblockstatus routine. A remote user could use this flaw to crash the QEMU process,...

Important: qemu

Issue Overview: tcpemu in tcpsubr.c in libslirp 4.1.0, as used in QEMU 4.2.0, mismanages memory, as demonstrated by IRC DCC commands in EMUIRC. This can cause a heap-based buffer overflow or other out-of-bounds access which can lead to a DoS or potential execute arbitrary code. CVE-2020-7039 An...

QEMU: block: iscsi: OOB heap access via an unexpected response of iSCSI Server

An out-of-bounds heap buffer access flaw was found in the way the iSCSI Block driver in QEMU handled a response coming from an iSCSI server while checking the status of a Logical Address Block LBA in an iscsicoblockstatus routine. A remote user could use this flaw to crash the QEMU process,...

kernel: Use-after-free in __blk_drain_queue() function in block/blk-core.c

A flaw was found in the Linux kernel’s block driver implementation blkdrainqueue function where a use-after-free condition could be triggered while draining the outstanding command queue in the systems block device subsystem. An attacker could use this flaw to crash the system or corrupt local...

CVE-2020-1711

An out-of-bounds heap buffer access flaw was found in the way the iSCSI Block driver in QEMU versions 2.12.0 before 4.2.1 handled a response coming from an iSCSI server while checking the status of a Logical Address Block LBA in an iscsicoblockstatus routine. A remote user could use this flaw to...

DEBIAN-CVE-2020-1711

An out-of-bounds heap buffer access flaw was found in the way the iSCSI Block driver in QEMU versions 2.12.0 before 4.2.1 handled a response coming from an iSCSI server while checking the status of a Logical Address Block LBA in an iscsicoblockstatus routine. A remote user could use this flaw to...

UBUNTU-CVE-2020-1711

An out-of-bounds heap buffer access flaw was found in the way the iSCSI Block driver in QEMU versions 2.12.0 before 4.2.1 handled a response coming from an iSCSI server while checking the status of a Logical Address Block LBA in an iscsicoblockstatus routine. A remote user could use this flaw to...

Heap overflow

An out-of-bounds heap buffer access flaw was found in the way the iSCSI Block driver in QEMU versions 2.12.0 before 4.2.1 handled a response coming from an iSCSI server while checking the status of a Logical Address Block LBA in an iscsicoblockstatus routine. A remote user could use this flaw to...

CVE-2014-0147

Qemu before 1.6.2 block diver for the various disk image formats used by Bochs and for the QCOW version 2 format, are vulnerable to a possible crash caused by signed data types or a logic error while creating QCOW2 snapshots, which leads to incorrectly calling updaterefcount routine...

CVE-2014-0147

CVE-2014-0147 affects QEMU before 1.6.2, where a logic error with signed data types during QCOW2 snapshot creation (impacting QCOW2 and disk image formats used by Bochs) can cause a crash by incorrectly calling update_refcount(). Root cause is a signed data type/logical error in snapshot handling...

PT-2020-5091

Name of the Vulnerable Software and Affected Versions QEMU versions 2.12.0 through 4.2.1 Description The issue is related to an out-of-bounds heap buffer access flaw in the iSCSI Block driver. This flaw can be exploited by a remote user to potentially execute arbitrary code or cause a denial of...

kernel: Use-after-free in __blk_drain_queue() function in block/blk-core.c

A flaw was found in the Linux kernel’s block driver implementation blkdrainqueue function where a use-after-free condition could be triggered while draining the outstanding command queue in the systems block device subsystem. An attacker could use this flaw to crash the system or corrupt local...

CVE-2019-16089

An issue was discovered in the Linux kernel through 5.2.13. nbdgenlstatus in drivers/block/nbd.c does not check the nlaneststartnoflag return value...

Buffer Overflow

KVM Kernel-based Virtual Machine is a full virtualization solution for Linux on AMD64 and Intel 64 systems. The qemu-kvm-rhev package provides the user-space component for running virtual machines using KVM in environments managed by Red Hat Enterprise Virtualization Manager. Multiple integer...

Linux kernel information disclosure vulnerability (CNVD-2018-24479)

Linux kernel is the kernel used by Linux, the open source operating system released by the Linux Foundation in the United States. A security vulnerability exists in the 'aoediskdebugfsshow' function in the drivers/block/aoe/aoeblk.c file in Linux kernel 4.16.4rc4 and earlier versions. A local...

CVE-2018-8896

In 2345 Security Guard 3.6, the driver file 2345DumpBlock.sys allows local users to cause a denial of service BSOD or possibly have unspecified other impact because of not validating input values from IOCtl 0x00222044...

Ubuntu 16.04 LTS : Linux kernel (GCP) vulnerabilities (USN-3468-3)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3468-3 advisory. It was discovered that the KVM subsystem in the Linux kernel did not properly bound guest IRQs. A local attacker in a guest VM could use this to cause a...

Ubuntu 14.04 LTS : Linux kernel vulnerabilities (USN-3470-1)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3470-1 advisory. Qian Zhang discovered a heap-based buffer overflow in the tipcmsgbuild function in the Linux kernel. A local attacker could use to cause a denial of...

Ubuntu: Security Advisory (USN-3468-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2017 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...