CVE-2017-12134

The CVE-2017-12134 issue affects Xen when Linux runs in a Xen PV domain on x86 and may cause a denial of service or arbitrary code execution due to incorrect merging of block I/O requests in xen_biovec_phys_mergeable (drivers/xen/biomerge.c). Public advisories (Debian, Fedora, Gentoo, Cloud Found...

CVE-2017-12134

The xenbiovecphysmergeable function in drivers/xen/biomerge.c in Xen might allow local OS guest users to corrupt block device data streams and consequently obtain sensitive memory information, cause a denial of service, or gain host OS privileges by leveraging incorrect block IO merge-ability...

CVE-2017-12134

The xenbiovecphysmergeable function in drivers/xen/biomerge.c in Xen might allow local OS guest users to corrupt block device data streams and consequently obtain sensitive memory information, cause a denial of service, or gain host OS privileges by leveraging incorrect block IO merge-ability...

CVE-2017-12134

The xenbiovecphysmergeable function in drivers/xen/biomerge.c in Xen might allow local OS guest users to corrupt block device data streams and consequently obtain sensitive memory information, cause a denial of service, or gain host OS privileges by leveraging incorrect block IO merge-ability...

Moderate: Red Hat Security Advisory: qemu-kvm security update

An update for qemu-kvm is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

Qemu: qemu-nbd: server breaks with SIGPIPE upon client abort

Quick Emulator QEMU built with the Network Block Device NBD Server support is vulnerable to a crash via a SIGPIPE signal. The crash can occur if a client aborts a connection due to any failure during negotiation or read operation. A remote user/process could use this flaw to crash the qemu-nbd...

Qemu: nbd: segmentation fault due to client non-negotiation

Quick Emulator QEMU built with Network Block Device NBD Server support was vulnerable to a null-pointer dereference issue. The flaw could occur when releasing a client that was not initialized due to failed negotiation. A remote user or process could exploit this flaw to crash the qemu-nbd server...

Qemu: nbd: oob stack write in client routine drop_sync

A stack buffer overflow flaw was found in the Quick Emulator QEMU built with the Network Block Device NBD client support. The flaw could occur while processing server's response to a 'NBDOPTLIST' request. A malicious NBD server could use this issue to crash a remote NBD client resulting in DoS or...

Qemu: qemu-nbd: server breaks with SIGPIPE upon client abort

Quick Emulator QEMU built with the Network Block Device NBD Server support is vulnerable to a crash via a SIGPIPE signal. The crash can occur if a client aborts a connection due to any failure during negotiation or read operation. A remote user/process could use this flaw to crash the qemu-nbd...

kernel: Use after free in SCSI generic device interface

It was found that the blkrqmapuseriov function in the Linux kernel's block device implementation did not properly restrict the type of iterator, which could allow a local attacker to read or write to arbitrary kernel memory locations or cause a denial of service use-after-free by leveraging write...

PT-2017-3734 · Qemu +1 · Qemu +2

Name of the Vulnerable Software and Affected Versions: Qemu versions prior to 2.10.1 Qemu-NBD affected versions not specified Description: The issue is related to errors during connection establishment in the Qemu-NBD hardware emulator server. It can be exploited by a remote attacker to cause a...

QEMU nbd_negotiate function denial of service vulnerability

QEMU is an open source emulator software. A security vulnerability exists in the qemu-nbd server support NBD service system in QEMU due to a failure to ensure initialization prior to interacting with the client in the nbdnegotiate function, which allows remote attackers to exploit the vulnerabili...

CentOS Update for qemu-img CESA-2017:1681 centos7

Check the version of qemu-img 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 scriptoid"1.3.6.1.4.1.25623.1.0.882749";...

Important: Red Hat Security Advisory: qemu-kvm security update

An update for qemu-kvm is now available for Red Hat Enterprise Linux 7. 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...

Qemu: nbd: segmentation fault due to client non-negotiation

Quick Emulator QEMU built with Network Block Device NBD Server support was vulnerable to a null-pointer dereference issue. The flaw could occur when releasing a client that was not initialized due to failed negotiation. A remote user or process could exploit this flaw to crash the qemu-nbd server...

Scientific Linux Security Update : kernel on SL6.x i386/x86_64 (20170321)

Security Fixes : - It was discovered that a remote attacker could leverage the generation of IPv6 atomic fragments to trigger the use of fragmentation in an arbitrary IPv6 flow in scenarios in which actual fragmentation of packets is not needed and could subsequently perform any type of a...

Kernel security update: new kernel 2.6.32-042stab123.1, Virtuozzo 6.0 Update 12 Hotfix 7 (6.0.12-)

This update provides a new Virtuozzo 6.0 kernel 2.6.32-042stab123.1 as well as internal stability bug fixes. The new kernel is based on the Red Hat Enterprise Linux 6.9 kernel 2.6.32-696.el6 and provides security fixes. Vulnerability id: CVE-2017-6214 A flaw was found in the Linux kernel's handli...

RHEL 6 : kernel (RHSA-2017:0817)

An update for kernel is now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

USN-3207-1 linux vulnerabilities

It was discovered that a use-after-free vulnerability existed in the block device layer of the Linux kernel. A local attacker could use this to cause a denial of service system crash or possibly gain administrative privileges. CVE-2016-7910 Dmitry Vyukov discovered a use-after-free vulnerability ...

Ubuntu 14.04 LTS : Linux kernel vulnerabilities (USN-3207-1)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3207-1 advisory. It was discovered that a use-after-free vulnerability existed in the block device layer of the Linux kernel. A local attacker could use this to cause a...