CVE-2017-5578

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-03-15 · updated 2026-06-17
Weakness: CWE-401

Description

Memory leak in the virtio_gpu_resource_attach_backing function in hw/display/virtio-gpu.c in QEMU (aka Quick Emulator) allows local guest OS users to cause a denial of service (host memory consumption) via a large number of VIRTIO_GPU_CMD_RESOURCE_ATTACH_BACKING commands.

Affected products

QEMU: through 2.8.1.1

References

http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=204f01b30975923c64006f8067f0937b91eea68b
http://www.openwall.com/lists/oss-security/2017/01/23/3
http://www.openwall.com/lists/oss-security/2017/01/25/2
http://www.securityfocus.com/bid/95781
https://security.gentoo.org/glsa/201702-28
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=204f01b30975923c64006f8067f0937b91eea68b
http://www.openwall.com/lists/oss-security/2017/01/23/3
http://www.openwall.com/lists/oss-security/2017/01/25/2
http://www.securityfocus.com/bid/95781
https://security.gentoo.org/glsa/201702-28

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