CVE-2023-3966

CWE-24810 documents9 sources
Severity
7.5HIGH
EPSS
0.0%
top 86.39%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Openvswitch OpenvswitchFedoraproject Fedora
Timeline
PublishedFeb 22
Latest updateMar 12

Description

A flaw was found in Open vSwitch where multiple versions are vulnerable to crafted Geneve packets, which may result in a denial of service and invalid memory accesses. Triggering this issue requires that hardware offloading via the netlink path is enabled.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages3 packages

▶Debianopenvswitch< 2.15.0+ds1-2+deb11u5+3
▶Ubuntuopenvswitch< 2.13.8-0ubuntu1.4+1

Also affects: Fedora 39, 40

🔴Vulnerability Details

4
OSV
openvswitch vulnerabilities↗2024-03-12
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OSV
CVE-2023-3966: A flaw was found in Open vSwitch where multiple versions are vulnerable to crafted Geneve packets, which may result in a denial of service and invalid↗2024-02-22
▶
GHSA
GHSA-r9cj-pfgj-jc26: A flaw was found in Open vSwitch where multiple versions are vulnerable to crafted Geneve packets, which may result in a denial of service and invalid↗2024-02-22
▶
CVEList
Openvswsitch: ovs-vswitch fails to recover after malformed geneve metadata packet↗2024-02-22
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📋Vendor Advisories

4
Ubuntu
Open vSwitch vulnerabilities↗2024-03-12
▶
Microsoft
Openvswsitch: ovs-vswitch fails to recover after malformed geneve metadata packet↗2024-02-13
▶
Red Hat
openvswsitch: ovs-vswitch fails to recover after malformed geneve metadata packet↗2024-02-08
▶
Debian
CVE-2023-3966: openvswitch - A flaw was found in Open vSwitch where multiple versions are vulnerable to craft...↗2023
▶

💬Community

1
Bugzilla
CVE-2023-3966 openvswsitch: ovs-vswitch fails to recover after malformed geneve metadata packet↗2023-03-15
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