DescriptionQEMU (aka Quick Emulator) built to use 'address_space_translate' to map an address to a MemoryRegionSection is vulnerable to an OOB r/w access issue. It could occur while doing pci_dma_read/write calls. Affects QEMU versions >= 1.6.0 and <= 2.3.1. A privileged user inside guest could use this flaw to crash the guest instance resulting in DoS.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
qemu (PTS)buster1:3.1+dfsg-8+deb10u8fixed
buster (security)1:3.1+dfsg-8+deb10u10fixed
bullseye (security), bullseye1:5.2+dfsg-11+deb11u2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
qemusourcesqueeze(not affected)
qemusourcewheezy(not affected)
qemu-kvmsource(unstable)(not affected)


[jessie] - qemu <ignored> (Minor issue; too dangerous backport)
[wheezy] - qemu <not-affected> (Affects Qemu versions >= 1.6.0 and <= 2.3.1)
[squeeze] - qemu <not-affected> (Affects Qemu versions >= 1.6.0 and <= 2.3.1)
- qemu-kvm <not-affected> (Affects Qemu versions >= 1.6.0 and <= 2.3.1);a=commit;h=c3c1bb99d1c11978d9ce94d1bdcf0705378c1459 (v2.3.0-rc1);a=commit;h=23820dbfc79d1c9dce090b4c555994f2bb6a69b3 (v2.4.0-rc0)

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