MitreCVELIST:CVE-2020-15863CVE-2020-15863
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
lists.opensuse.org/opensuse-security-announce/2020-10/msg00024.html
www.openwall.com/lists/oss-security/2020/07/22/1
git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=5519724a13664b43e225ca05351c60b4468e4555
lists.nongnu.org/archive/html/qemu-devel/2020-07/msg03497.html
lists.nongnu.org/archive/html/qemu-devel/2020-07/msg05745.html
security.gentoo.org/glsa/202208-27
usn.ubuntu.com/4467-1/
www.debian.org/security/2020/dsa-4760
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