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.

References

https://git.qemu.org/?p=qemu.git;a=commitdiff;h=5519724a13664b43e225ca05351c60b4468e4555

http://www.openwall.com/lists/oss-security/2020/07/22/1

https://lists.nongnu.org/archive/html/qemu-devel/2020-07/msg03497.html

https://lists.nongnu.org/archive/html/qemu-devel/2020-07/msg05745.html

https://usn.ubuntu.com/4467-1/

https://www.debian.org/security/2020/dsa-4760

http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00024.html

https://security.gentoo.org/glsa/202208-27

Details

Risk Information

CVSS v2

CVSS v3