Out-of-bounds Write Affecting virt:av/libtpms package, versions *


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.05% (17th percentile)

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  • Snyk IDSNYK-RHEL8-VIRT-4413818
  • published16 Jun 2022
  • disclosed21 Jun 2021

Introduced: 21 Jun 2021

CVE-2021-3623  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:8 virt:av/libtpms.

NVD Description

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

A flaw was found in libtpms. The flaw can be triggered by specially-crafted TPM 2 command packets containing illegal values and may lead to an out-of-bounds access when the volatile state of the TPM 2 is marshalled/written or unmarshalled/read. The highest threat from this vulnerability is to system availability.

CVSS Scores

version 3.1