Incorrect Calculation of Buffer Size Affecting virt:8.2/libvirt-docs package, versions <0:6.0.0-25.5.module+el8.2.1+8680+ea98947b


Severity

Recommended
0.0
low
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

Exploit Maturity
Not Defined
EPSS
0.05% (20th percentile)

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  • Snyk IDSNYK-RHEL8-VIRT-4422064
  • published26 Jul 2021
  • disclosed20 Apr 2020

Introduced: 20 Apr 2020

CVE-2020-11947  (opens in a new tab)
CWE-131  (opens in a new tab)
CWE-122  (opens in a new tab)

How to fix?

Upgrade RHEL:8 virt:8.2/libvirt-docs to version 0:6.0.0-25.5.module+el8.2.1+8680+ea98947b or higher.
This issue was patched in RHSA-2021:0648.

NVD Description

Note: Versions mentioned in the description apply only to the upstream virt:8.2/libvirt-docs package and not the virt:8.2/libvirt-docs package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

iscsi_aio_ioctl_cb in block/iscsi.c in QEMU 4.1.0 has a heap-based buffer over-read that may disclose unrelated information from process memory to an attacker.

CVSS Scores

version 3.1