Out-of-bounds Read in Cloudbase Open Vswitch
CVE-2022-32166
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H.
EPSS exploit prediction
EPSS: 0.006 (49.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Cloudbase Open Vswitch
- Ovs — versions v0.90.0, unspecified
- Debian Linux — versions 10.0
Weakness classification (CWE)
References
- www.mend.io/vulnerability-database/CVE-2022-32166 (Third Party Advisory)
- github.com/cloudbase/ovs/commit/2ed6505555cdcb46f9b1f0329d1491b75290fc73 (Patch, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2022/10/msg00036.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-32166?
- CVE-2022-32166 is a medium-severity vulnerability in Cloudbase Open Vswitch, classified under Out-of-bounds Read. CVSS score: 6.1/10. Published 2022-09-28.
- How severe is CVE-2022-32166?
- Medium severity. CVSS v3 base score is 6.1 out of 10.