Published: 13/04/2016 Updated: 26/08/2020

CVSS v2 Base Score: 4.7 | Impact Score: 6.9 | Exploitability Score: 3.4

CVSS v3 Base Score: 6 | Impact Score: 4 | Exploitability Score: 1.5

VMScore: 418

Vector: AV:L/AC:M/Au:N/C:N/I:N/A:C

The PCI backend driver in Xen, when running on an x86 system and using Linux 3.1.x up to and including 4.3.x as the driver domain, allows local guest administrators to hit BUG conditions and cause a denial of service (NULL pointer dereference and host OS crash) by leveraging a system with access to a passed-through MSI or MSI-X capable physical PCI device and a crafted sequence of XEN_PCI_OP_* operations, aka "Linux pciback missing sanity checks."

Vulnerable Product	Search on Vulmon	Subscribe to Product
linux linux kernel
debian debian linux 7.0
debian debian linux 8.0
opensuse opensuse 13.1
suse linux enterprise desktop 11
suse linux enterprise desktop 12
suse linux enterprise real time extension 11
suse linux enterprise real time extension 12
suse linux enterprise server 11
suse linux enterprise server 12
suse linux enterprise software development kit 11
suse linux enterprise software development kit 12
suse linux enterprise workstation extension 12

Debian Bug report logs - #808293 Regression in short UDP reads caused by "net: Fix skb csum races when peeking" Package: src:linux; Maintainer for src:linux is Debian Kernel Team <debian-kernel@listsdebianorg>; Affects: freeradius Reported by: Francesco Politi <fpoliti@micsoit> Date: Fri, 18 Dec 2015 12:09:01 UTC ...

The PCI backend driver in Xen, when running on an x86 system and using Linux 31x through 43x as the driver domain, allows local guest administrators to hit BUG conditions and cause a denial of service (NULL pointer dereference and host OS crash) by leveraging a system with access to a passed-through MSI or MSI-X capable physical PCI device and ...

Several security issues were fixed in the kernel ...

CWE-476 http://xenbits.xen.org/xsa/advisory-157.html http://www.securityfocus.com/bid/79546 http://www.securitytracker.com/id/1034480 http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00059.html http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html https://security.gentoo.org/glsa/201604-03 http://www.debian.org/security/2016/dsa-3434 https://nvd.nist.gov https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=808293 https://usn.ubuntu.com/2854-1/https://access.redhat.com/security/cve/cve-2015-8551

CVE-2015-8551

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