CVE-2020-13800

NameCVE-2020-13800
Descriptionati-vga in hw/display/ati.c in QEMU 4.2.0 allows guest OS users to trigger infinite recursion via a crafted mm_index value during an ati_mm_read or ati_mm_write call.
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

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+deb9u11fixed
buster, buster (security)1:3.1+dfsg-8+deb10u8fixed
bullseye, sid1:5.1+dfsg-4fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
qemusourcejessie(not affected)
qemusourcestretch(not affected)
qemusourcebuster(not affected)
qemusource(unstable)1:5.0-6

Notes

[buster] - qemu <not-affected> (Vulnerable code introduced later)
[stretch] - qemu <not-affected> (Vulnerable code introduced later)
[jessie] - qemu <not-affected> (Vulnerable code introduced later)
https://www.openwall.com/lists/oss-security/2020/06/04/2
https://lists.gnu.org/archive/html/qemu-devel/2020-06/msg00833.html
https://git.qemu.org/?p=qemu.git;a=commitdiff;h=a98610c429d52db0937c1e48659428929835c455

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