CVE-2020-27616

NameCVE-2020-27616
Descriptionati_2d_blt in hw/display/ati_2d.c in QEMU 4.2.1 can encounter an outside-limits situation in a calculation. A guest can crash the QEMU process.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium
Debian Bugs975265

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
qemu (PTS)stretch1:2.8+dfsg-6+deb9u9fixed
stretch (security)1:2.8+dfsg-6+deb9u13fixed
buster, buster (security)1:3.1+dfsg-8+deb10u8fixed
bullseye, sid1:5.2+dfsg-6fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
qemusourcestretch(not affected)
qemusourcebuster(not affected)
qemusource(unstable)1:5.2+dfsg-1975265

Notes

[buster] - qemu <not-affected> (Vulnerable code introduced in ATI VGA device emulation added later)
[stretch] - qemu <not-affected> (Vulnerable code introduced in ATI VGA device emulation added later)
https://lists.nongnu.org/archive/html/qemu-devel/2020-10/msg06080.html
https://git.qemu.org/?p=qemu.git;a=commit;h=ca1f9cbfdce4d63b10d57de80fef89a89d92a540 (v5.2.0-rc1)

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