Medium severity · published Sep 28, 2022
CVE-2022-32166
In ovs versions v0.90.0 through v2.5.0 are vulnerable to heap buffer over-read in flow.c
6.1
CVSS
0.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 49% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
10.0 · source: NVD
OV
Open Vswitch · Cloudbase
0.90.0 through 2.5.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-32166
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-32166
Patch
https://github.com/cloudbase/ovs/commit/2ed6505555cdcb46f9b1f0329d1491b75290fc73
Mailing List
https://lists.debian.org/debian-lts-announce/2022/10/msg00036.html
Third Party Advisory
https://www.mend.io/vulnerability-database/CVE-2022-32166
More from Open Vswitch
8.2
CVE-2023-1668
A flaw was found in openvswitch (OVS)