NULL pointer dereference in Linux Linux_kernel

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…

EPSS: 0.001 (22.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
  • 1034480 (Third Party Advisory, VDB Entry, vdb-entry, x_refsource_SECTRACK)
  • openSUSE-SU-2016:2184 (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
  • SUSE-SU-2016:1764 (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
  • SUSE-SU-2016:1102 (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
  • SUSE-SU-2016:1707 (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
  • GLSA-201604-03 (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
  • SUSE-SU-2016:2105 (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
  • DSA-3434 (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
  • 79546 (Third Party Advisory, VDB Entry, vdb-entry, x_refsource_BID)

Frequently asked questions

What is CVE-2015-8551?
CVE-2015-8551 is a medium-severity vulnerability in Linux Linux_kernel, classified under NULL Pointer Dereference. CVSS score: 6.0/10. Published 2016-04-13.
How severe is CVE-2015-8551?
Medium severity. CVSS v3 base score is 6.0 out of 10.
Is CVE-2015-8551 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.