Use After Free Affecting sgabios package, versions <1:0.20170427git-3.module+el8.6.0+847+b490afdd


Severity

Recommended
medium

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.05% (25th percentile)

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  • Snyk IDSNYK-ROCKY8-SGABIOS-3206946
  • published5 Jan 2023
  • disclosed21 Jul 2020

Introduced: 21 Jul 2020

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

How to fix?

Upgrade Rocky-Linux:8 sgabios to version 1:0.20170427git-3.module+el8.6.0+847+b490afdd or higher.
This issue was patched in RLSA-2021:4191.

NVD Description

Note: Versions mentioned in the description apply only to the upstream sgabios package and not the sgabios package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux: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 Base Scores

version 3.1