Vulnerability · Published Sep 28, 2022 · Assigned by Mend

CVE-2022-32166ovs - buffer over-read

Medium 6.1

In plain English

A medium-severity out-of-bounds read in ovs from ovs. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 49% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.1Medium
Exploit odds (30 days)0.6%top 50.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

In ovs versions v0.90.0 through v2.5.0 are vulnerable to heap buffer over-read in flow.c. An unsafe comparison of “minimasks” function could lead access to an unmapped region of memory. This vulnerability is capable of crashing the software, memory modification, and possible remote execution.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12openvswitch2.13.0+dfsg1-1DEBIAN-CVE-2022-32166
Debian:13openvswitch2.13.0+dfsg1-1DEBIAN-CVE-2022-32166
Debian:14openvswitch2.13.0+dfsg1-1DEBIAN-CVE-2022-32166

Affected products (as reported)

VendorProductVersions
ovs ovs v0.90.0 – before unspecifiedunspecified – through v2.5.0

Weakness: CWE-125 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H

References