CVE-2020-35498

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
redhatCNA
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CVEADP
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CISA-ADPADP
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 89%
VendorProductVersion
openvswitchopenvswitch
2.5.0 ≤
𝑥
< 2.5.12
openvswitchopenvswitch
2.6.0 ≤
𝑥
< 2.6.10
openvswitchopenvswitch
2.7.0 ≤
𝑥
< 2.7.13
openvswitchopenvswitch
2.8.0 ≤
𝑥
< 2.8.11
openvswitchopenvswitch
2.9.0 ≤
𝑥
< 2.9.9
openvswitchopenvswitch
2.10.0 ≤
𝑥
< 2.10.7
openvswitchopenvswitch
2.11.0 ≤
𝑥
< 2.11.6
openvswitchopenvswitch
2.12.0 ≤
𝑥
< 2.12.3
openvswitchopenvswitch
2.13.0 ≤
𝑥
< 2.13.3
openvswitchopenvswitch
2.14.0 ≤
𝑥
< 2.14.2
debiandebian_linux
9.0
debiandebian_linux
10.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
openvswitch
bullseye (security)
2.15.0+ds1-2+deb11u5
fixed
bullseye
2.15.0+ds1-2+deb11u5
fixed
bookworm
3.1.0-2+deb12u1
fixed
bookworm (security)
3.1.0-2+deb12u1
fixed
sid
3.4.0-1
fixed
trixie
3.4.0-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
openvswitch
groovy
Fixed 2.13.1-0ubuntu1.3
released
focal
Fixed 2.13.1-0ubuntu0.20.04.4
released
bionic
Fixed 2.9.8-0ubuntu0.18.04.2
released
xenial
Fixed 2.5.9-0ubuntu0.16.04.3
released
trusty
dne