CVE-2020-15863

NameCVE-2020-15863
Descriptionhw/net/xgmac.c in the XGMAC Ethernet controller in QEMU before 07-20-2020 has a buffer overflow. This occurs during packet transmission and affects the highbank and midway emulated machines. A guest user or process could use this flaw to crash the QEMU process on the host, resulting in a denial of service or potential privileged code execution. This was fixed in commit 5519724a13664b43e225ca05351c60b4468e4555.
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)
ReferencesDLA-2288-1
NVD severityhigh

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
qemu (PTS)stretch1:2.8+dfsg-6+deb9u9vulnerable
stretch (security)1:2.8+dfsg-6+deb9u10fixed
buster, buster (security)1:3.1+dfsg-8+deb10u7vulnerable
bullseye, sid1:5.0-14fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
qemusourcestretch1:2.8+dfsg-6+deb9u10DLA-2288-1
qemusource(unstable)1:5.0-12

Notes

[buster] - qemu <postponed> (Minor issue, can be fixed along in next DSA)
https://www.openwall.com/lists/oss-security/2020/07/22/1
https://git.qemu.org/?p=qemu.git;a=commit;h=5519724a13664b43e225ca05351c60b4468e4555

Search for package or bug name: Reporting problems