CVE-2015-7549

6.0 mediumEPSS 0.4%

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.

Severity

CVSS 3.0

6.0 medium

CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 33% of CVEs (scores of 2026-10-31)
CWE: CWE-476
Published: 2017-10-30
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

qemu:qemu

References

http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=43b11a91dd861a946b231b89b754285
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175380.html
http://www.debian.org/security/2016/dsa-3471
http://www.openwall.com/lists/oss-security/2015/12/14/2
http://www.securityfocus.com/bid/80761

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