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Stack-based Buffer Overflow The advisory has been revoked - it doesn't affect any version of package qemu-kvm-ui-opengl  (opens in a new tab)

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EPSS
0.48% (41st percentile)

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  • Snyk IDSNYK-RHEL8-QEMUKVMUIOPENGL-2840229
  • published1 Nov 2021
  • disclosed10 Jul 2020
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Introduced: 10 Jul 2020

CVE-2020-15863  (opens in a new tab)
CWE-121  (opens in a new tab)

Amendment

The Red Hat security team deemed this advisory irrelevant for RHEL:8.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu-kvm-ui-opengl package and not the qemu-kvm-ui-opengl package as distributed by RHEL.

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.