CVE-2020-15863

Name	CVE-2020-15863
Description	hw/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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-2288-1, DSA-4760-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
qemu (PTS)	buster	1:3.1+dfsg-8+deb10u8	fixed
	buster (security)	1:3.1+dfsg-8+deb10u12	fixed
	bullseye	1:5.2+dfsg-11+deb11u3	fixed
	bullseye (security)	1:5.2+dfsg-11+deb11u2	fixed
	bookworm	1:7.2+dfsg-7+deb12u5	fixed
	trixie	1:8.2.1+ds-2	fixed
	sid	1:8.2.2+ds-2	fixed

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

Package	Type	Release	Fixed Version	Origin
qemu	source	stretch	1:2.8+dfsg-6+deb9u10	DLA-2288-1
qemu	source	buster	1:3.1+dfsg-8+deb10u8	DSA-4760-1
qemu	source	(unstable)	1:5.0-12

https://www.openwall.com/lists/oss-security/2020/07/22/1
https://git.qemu.org/?p=qemu.git;a=commit;h=5519724a13664b43e225ca05351c60b4468e4555