NULL pointer dereference in Qemu
CVE-2015-7549
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.
EPSS: 0.004 (30.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.0 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H.
Affected products
- Qemu
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory, Issue Tracking)
- secalert@redhat.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, Issue Tracking, x_refsource_DEBIAN)
- secalert@redhat.com (x_refsource_CONFIRM, Third Party Advisory, Issue Tracking)
- secalert@redhat.com (x_refsource_CONFIRM)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_GENTOO, Issue Tracking)
- secalert@redhat.com (vendor-advisory, x_refsource_FEDORA, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2015-7549?
- CVE-2015-7549 is a medium-severity vulnerability in Qemu, classified under NULL Pointer Dereference. CVSS score: 6.0/10. Published 2017-10-30.
- How severe is CVE-2015-7549?
- Medium severity. CVSS v3 base score is 6.0 out of 10.
- Is CVE-2015-7549 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.