CVE-2015-8551
The PCI backend driver in Xen, when running on an x86 system and using Linux 3.1.x through 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…
Does this matter?
Lower severity and a low EPSS score (0.45%). Track it; it rarely justifies an emergency change on its own.
Description
The PCI backend driver in Xen, when running on an x86 system and using Linux 3.1.x through 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."
- CVSS 3.1
- 6.0 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
- EPSS
- 0.45% probability · 38th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- linux/linux kernel · debian/debian linux · opensuse/opensuse · suse/linux enterprise desktop · suse/linux enterprise real time extension · suse/linux enterprise server · suse/linux enterprise software development kit · suse/linux enterprise workstation extension
- Source
- cve@mitre.org
References
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00059.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.htmlMailing List, Third Party Advisory
- http://www.debian.org/security/2016/dsa-3434Third Party Advisory
- http://www.securityfocus.com/bid/79546Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1034480Third Party Advisory, VDB Entry
- http://xenbits.xen.org/xsa/advisory-157.htmlVendor Advisory
- https://security.gentoo.org/glsa/201604-03Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00059.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.htmlMailing List, Third Party Advisory
- http://www.debian.org/security/2016/dsa-3434Third Party Advisory
- http://www.securityfocus.com/bid/79546Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1034480Third Party Advisory, VDB Entry
- http://xenbits.xen.org/xsa/advisory-157.htmlVendor Advisory
- https://security.gentoo.org/glsa/201604-03Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.