Use After Free Affecting libguestfs-winsupport package, versions <0:8.2-1.module+el8.3.0+6423+e4cb6418


Severity

Recommended
medium

Based on CentOS security rating.

Threat Intelligence

EPSS
0.05% (24th percentile)

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  • Snyk IDSNYK-CENTOS8-LIBGUESTFSWINSUPPORT-2134384
  • published26 Jul 2021
  • disclosed16 Jul 2020

Introduced: 16 Jul 2020

CVE-2020-15859  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Centos:8 libguestfs-winsupport to version 0:8.2-1.module+el8.3.0+6423+e4cb6418 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libguestfs-winsupport package and not the libguestfs-winsupport package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

QEMU 4.2.0 has a use-after-free in hw/net/e1000e_core.c because a guest OS user can trigger an e1000e packet with the data's address set to the e1000e's MMIO address.

CVSS Scores

version 3.1