CVE-2015-7549

Advisory lineage Upstream: 0 Downstream: 13
Modified
Published: 30 Oct 2017, 14:00
Last modified:06 Aug 2024, 07:51

Vulnerability Summary

Overall Risk (default)
low
24/100
CVSS Score
6 MEDIUM
v3.0 (nvd)
EPSS Score
0.12% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

30 Oct 2017, 14:00
Published
Vulnerability first disclosed
06 Aug 2024, 07:51
Last Modified
Vulnerability information updated

Description

The MSI-X MMIO support in hw/pci/msix.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (NULL pointer dereference and QEMU process crash) by leveraging failure to define the .write method.

CVSS Metrics

  • v3.0•MEDIUM•Score: 6CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
  • v2.0•LOW•Score: 2.1AV:L/AC:L/Au:N/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 0.12%• Percentile: 30%

Techniques & Countermeasures

  • CWE-476•NULL Pointer Dereference

    The product dereferences a pointer that it expects to be valid but is NULL.

Affected Systems

  • qemu•qemu

    < 2.5.0

References (7)