CVE-2015-8744

NameCVE-2015-8744
DescriptionQEMU (aka Quick Emulator) built with a VMWARE VMXNET3 paravirtual NIC emulator support is vulnerable to crash issue. It occurs when a guest sends a Layer-2 packet smaller than 22 bytes. A privileged (CAP_SYS_RAWIO) guest user could use this flaw to crash the QEMU process instance resulting in DoS.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-3471-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
qemu (PTS)bullseye1:5.2+dfsg-11+deb11u3fixed
bullseye (security)1:5.2+dfsg-11+deb11u2fixed
bookworm1:7.2+dfsg-7+deb12u7fixed
sid, trixie1:9.1.1+ds-2fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
qemusourcesqueeze(not affected)
qemusourcewheezy(not affected)
qemusourcejessie1:2.1+dfsg-12+deb8u5aDSA-3471-1
qemusource(unstable)1:2.5+dfsg-1
qemu-kvmsource(unstable)(not affected)

Notes

[wheezy] - qemu <not-affected> (Vulnerable code introduced later)
[squeeze] - qemu <not-affected> (Vulnerable code introduced later)
- qemu-kvm <not-affected> (Vulnerable code not present)
Fixed by: http://git.qemu.org/?p=qemu.git;a=commit;h=a7278b36fcab9af469563bd7b9dadebe2ae25e48 (v2.5.0-rc0)
VMXNET3 device implementation introduced in http://git.qemu.org/?p=qemu.git;a=commit;h=786fd2b0f87baded8c9e55307b99719eea3e016e (v1.5.0-rc0)

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