7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.8 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
0.004 Low
EPSS
Percentile
71.7%
A vulnerability was found in openvswitch. A limitation in the implementation of userspace packet parsing can allow a malicious user to send a specially crafted packet causing the resulting megaflow in the kernel to be too wide, potentially causing a denial of service. The highest threat from this vulnerability is to system availability.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 12 | all | openvswitch | < 2.15.0~git20210104.def6eb1ea+dfsg1-5 | openvswitch_2.15.0~git20210104.def6eb1ea+dfsg1-5_all.deb |
Debian | 11 | all | openvswitch | < 2.15.0~git20210104.def6eb1ea+dfsg1-5 | openvswitch_2.15.0~git20210104.def6eb1ea+dfsg1-5_all.deb |
Debian | 10 | all | openvswitch | < 2.10.7+ds1-0+deb10u1 | openvswitch_2.10.7+ds1-0+deb10u1_all.deb |
Debian | 999 | all | openvswitch | < 2.15.0~git20210104.def6eb1ea+dfsg1-5 | openvswitch_2.15.0~git20210104.def6eb1ea+dfsg1-5_all.deb |
Debian | 13 | all | openvswitch | < 2.15.0~git20210104.def6eb1ea+dfsg1-5 | openvswitch_2.15.0~git20210104.def6eb1ea+dfsg1-5_all.deb |
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.8 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
0.004 Low
EPSS
Percentile
71.7%