Out-of-bounds Write Affecting qemu-project/qemu package, versions [,5.0.0)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.07% (35th percentile)

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  • Snyk IDSNYK-UNMANAGED-QEMUPROJECTQEMU-3007056
  • published26 Jan 2022
  • disclosed28 Jul 2020
  • creditUnknown

Introduced: 28 Jul 2020

CVE-2020-15863  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade qemu-project/qemu to version 5.0.0 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-bounds Write 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

CVSS Scores

version 3.1