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5.3
CVSSv3

CVE-2020-15863

Published: 28/07/2020 Updated: 07/11/2023
CVSS v2 Base Score: 4.4 | Impact Score: 6.4 | Exploitability Score: 3.4
CVSS v3 Base Score: 5.3 | Impact Score: 3.7 | Exploitability Score: 1.1
VMScore: 392
Vector: AV:L/AC:M/Au:N/C:P/I:P/A:P
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Vulnerability Summary

hw/net/xgmac.c in the XGMAC Ethernet controller in QEMU prior to 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.

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debian debian linux 10.0

canonical ubuntu linux 16.04

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canonical ubuntu linux 20.04

Vendor Advisories

Debian Security Advisories: DSA-4760-1 qemu -- security update
Multiple security issues were discovered in QEMU, a fast processor emulator: CVE-2020-12829 An integer overflow in the sm501 display device may result in denial of service CVE-2020-14364 An out-of-bands write in the USB emulation code may result in guest-to-host code execution CVE-2020-15863 A buffer overflow in the XGMAC net ...

References

CWE-787http://www.openwall.com/lists/oss-security/2020/07/22/1https://lists.nongnu.org/archive/html/qemu-devel/2020-07/msg03497.htmlhttps://lists.nongnu.org/archive/html/qemu-devel/2020-07/msg05745.htmlhttps://usn.ubuntu.com/4467-1/https://www.debian.org/security/2020/dsa-4760http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00024.htmlhttps://security.gentoo.org/glsa/202208-27https://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=5519724a13664b43e225ca05351c60b4468e4555https://nvd.nist.govhttps://www.debian.org/security/2020/dsa-4760
CVSSv3
CVSSv2
CVSSv3
VMScore
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