CVE-2020-27827

A flaw was found in multiple versions of OpenvSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optional TLVs, potentially causing a denial of service. The highest threat from this vulnerability is to system availability.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
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: 66%
Affected Products (NVD)
VendorProductVersion
lldpd_projectlldpd
𝑥
< 1.0.8
openvswitchopenvswitch
2.6.0 ≤
𝑥
< 2.6.9
openvswitchopenvswitch
2.7.0 ≤
𝑥
< 2.7.12
openvswitchopenvswitch
2.8.0 ≤
𝑥
< 2.8.10
openvswitchopenvswitch
2.9.0 ≤
𝑥
< 2.9.8
openvswitchopenvswitch
2.10.0 ≤
𝑥
< 2.10.6
openvswitchopenvswitch
2.11.0 ≤
𝑥
< 2.11.5
openvswitchopenvswitch
2.12.0 ≤
𝑥
< 2.12.2
openvswitchopenvswitch
2.13.0 ≤
𝑥
< 2.13.2
openvswitchopenvswitch
2.14.0 ≤
𝑥
< 2.14.1
redhatopenshift_container_platform
4.0
redhatvirtualization
4.0
redhatenterprise_linux
7.0
redhatenterprise_linux
8.0
siemenssimatic_hmi_unified_comfort_panels_firmware
𝑥
< 17
siemenssimatic_net_cp_1243-1_firmware
-
siemenssimatic_net_cp_1243-8_irc_firmware
-
siemenssimatic_net_cp_1542sp-1_firmware
-
siemenssimatic_net_cp_1542sp-1_irc_firmware
-
siemenssimatic_net_cp_1543-1_firmware
-
siemenssimatic_net_cp_1543sp-1_firmware
-
siemenssimatic_net_cp_1545-1_firmware
-
siemenstim_1531_irc_firmware
𝑥
< 2.2
siemenssinumerik_one_firmware
𝑥
< 2.0.1
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
lldpd
bookworm
1.0.16-1+deb12u1
fixed
bookworm (security)
1.0.16-1+deb12u1
fixed
bullseye
1.0.11-1+deb11u2
fixed
bullseye (security)
1.0.11-1+deb11u2
fixed
sid
1.0.18-1
fixed
stretch
no-dsa
trixie
1.0.18-1
fixed
openvswitch
bookworm
3.1.0-2+deb12u1
fixed
bookworm (security)
3.1.0-2+deb12u1
fixed
bullseye
2.15.0+ds1-2+deb11u5
fixed
bullseye (security)
2.15.0+ds1-2+deb11u5
fixed
sid
3.4.0-1
fixed
stretch
no-dsa
trixie
3.4.0-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
lldpd
bionic
needs-triage
focal
needs-triage
groovy
ignored
hirsute
ignored
impish
ignored
jammy
needs-triage
kinetic
ignored
lunar
ignored
mantic
ignored
noble
needs-triage
trusty
dne
xenial
needs-triage
openvswitch
bionic
Fixed 2.9.7-0ubuntu0.18.04.2
released
focal
Fixed 2.13.1-0ubuntu0.20.04.3
released
groovy
Fixed 2.13.1-0ubuntu1.2
released
hirsute
Fixed 2.15.0-0ubuntu1
released
impish
Fixed 2.15.0-0ubuntu1
released
jammy
Fixed 2.15.0-0ubuntu1
released
kinetic
Fixed 2.15.0-0ubuntu1
released
lunar
Fixed 2.15.0-0ubuntu1
released
mantic
Fixed 2.15.0-0ubuntu1
released
noble
Fixed 2.15.0-0ubuntu1
released
trusty
dne
xenial
Fixed 2.5.9-0ubuntu0.16.04.2
released
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
libopenvswitch-2_11-0
suse enterprise sap 12 SP5
2.11.5-3.3.2
fixed
suse enterprise server 12 SP5
2.11.5-3.3.2
fixed
suse enterprise server 15
2.11.5-6.30.2
fixed
suse enterprise server 15 SP1
2.11.5-3.12.1
fixed
libopenvswitch-2_13-0
suse enterprise sap 15 SP2
2.13.2-9.11.1
fixed
suse enterprise server 15 SP2
2.13.2-9.11.1
fixed
libopenvswitch-2_14-0
suse enterprise sap 15 SP3
2.14.2-17.1
fixed
suse enterprise sap 15 SP4
2.14.2-150400.22.23
fixed
suse enterprise sap 15 SP5
2.14.2-150400.24.3.1
fixed
suse enterprise server 15 SP3
2.14.2-17.1
fixed
suse enterprise server 15 SP4
2.14.2-150400.22.23
fixed
suse enterprise server 15 SP5
2.14.2-150400.24.3.1
fixed
libopenvswitch-2_8-0
suse enterprise server 12 SP4
2.8.10-4.23.1
fixed
libopenvswitch-3_5-0
suse enterprise sap 15 SP7
3.5.0-150700.39.4
fixed
suse enterprise server 15 SP7
3.5.0-150700.39.4
fixed
libovn-20_03-0
suse enterprise sap 15 SP2
20.03.1-9.11.1
fixed
suse enterprise server 15 SP2
20.03.1-9.11.1
fixed
libovn-20_06-0
suse enterprise sap 15 SP3
20.06.2-17.1
fixed
suse enterprise sap 15 SP4
20.06.2-150400.22.23
fixed
suse enterprise sap 15 SP5
20.06.2-150400.24.3.1
fixed
suse enterprise server 15 SP3
20.06.2-17.1
fixed
suse enterprise server 15 SP4
20.06.2-150400.22.23
fixed
suse enterprise server 15 SP5
20.06.2-150400.24.3.1
fixed
libovn-25_03-0
suse enterprise sap 15 SP7
25.03.0-150700.39.4
fixed
suse enterprise server 15 SP7
25.03.0-150700.39.4
fixed
openvswitch
suse enterprise sap 12 SP5
2.11.5-3.3.2
fixed
suse enterprise sap 15 SP2
2.13.2-9.11.1
fixed
suse enterprise sap 15 SP3
2.14.2-17.1
fixed
suse enterprise sap 15 SP4
2.14.2-150400.22.23
fixed
suse enterprise sap 15 SP5
2.14.2-150400.24.3.1
fixed
suse enterprise sap 15 SP7
3.5.0-150700.39.4
fixed
suse enterprise server 12 SP2
2.5.11-25.26.1
fixed
suse enterprise server 12 SP4
2.8.10-4.23.1
fixed
suse enterprise server 12 SP5
2.11.5-3.3.2
fixed
suse enterprise server 15
2.11.5-6.30.2
fixed
suse enterprise server 15 SP1
2.11.5-3.12.1
fixed
suse enterprise server 15 SP2
2.13.2-9.11.1
fixed
suse enterprise server 15 SP3
2.14.2-17.1
fixed
suse enterprise server 15 SP4
2.14.2-150400.22.23
fixed
suse enterprise server 15 SP5
2.14.2-150400.24.3.1
fixed
suse enterprise server 15 SP7
3.5.0-150700.39.4
fixed
openvswitch-devel
suse enterprise sap 15 SP2
2.13.2-9.11.1
fixed
suse enterprise sap 15 SP3
2.14.2-17.1
fixed
suse enterprise sap 15 SP4
2.14.2-150400.22.23
fixed
suse enterprise sap 15 SP5
2.14.2-150400.24.3.1
fixed
suse enterprise sap 15 SP7
3.5.0-150700.39.4
fixed
suse enterprise server 15
2.11.5-6.30.2
fixed
suse enterprise server 15 SP1
2.11.5-3.12.1
fixed
suse enterprise server 15 SP2
2.13.2-9.11.1
fixed
suse enterprise server 15 SP3
2.14.2-17.1
fixed
suse enterprise server 15 SP4
2.14.2-150400.22.23
fixed
suse enterprise server 15 SP5
2.14.2-150400.24.3.1
fixed
suse enterprise server 15 SP7
3.5.0-150700.39.4
fixed
openvswitch-dpdk
suse enterprise server 12 SP2
2.5.11-25.26.1
fixed
openvswitch-dpdk-switch
suse enterprise server 12 SP2
2.5.11-25.26.1
fixed
openvswitch-ipsec
suse enterprise sap 15 SP2
2.13.2-9.11.1
fixed
suse enterprise sap 15 SP3
2.14.2-17.1
fixed
suse enterprise sap 15 SP4
2.14.2-150400.22.23
fixed
suse enterprise sap 15 SP5
2.14.2-150400.24.3.1
fixed
suse enterprise sap 15 SP7
3.5.0-150700.39.4
fixed
suse enterprise server 15 SP2
2.13.2-9.11.1
fixed
suse enterprise server 15 SP3
2.14.2-17.1
fixed
suse enterprise server 15 SP4
2.14.2-150400.22.23
fixed
suse enterprise server 15 SP5
2.14.2-150400.24.3.1
fixed
suse enterprise server 15 SP7
3.5.0-150700.39.4
fixed
openvswitch-pki
suse enterprise sap 15 SP2
2.13.2-9.11.1
fixed
suse enterprise sap 15 SP3
2.14.2-17.1
fixed
suse enterprise sap 15 SP4
2.14.2-150400.22.23
fixed
suse enterprise sap 15 SP5
2.14.2-150400.24.3.1
fixed
suse enterprise sap 15 SP7
3.5.0-150700.39.4
fixed
suse enterprise server 15 SP2
2.13.2-9.11.1
fixed
suse enterprise server 15 SP3
2.14.2-17.1
fixed
suse enterprise server 15 SP4
2.14.2-150400.22.23
fixed
suse enterprise server 15 SP5
2.14.2-150400.24.3.1
fixed
suse enterprise server 15 SP7
3.5.0-150700.39.4
fixed
openvswitch-switch
suse enterprise server 12 SP2
2.5.11-25.26.1
fixed
openvswitch-test
suse enterprise sap 15 SP2
2.13.2-9.11.1
fixed
suse enterprise sap 15 SP3
2.14.2-17.1
fixed
suse enterprise sap 15 SP4
2.14.2-150400.22.23
fixed
suse enterprise sap 15 SP5
2.14.2-150400.24.3.1
fixed
suse enterprise sap 15 SP7
3.5.0-150700.39.4
fixed
suse enterprise server 15 SP2
2.13.2-9.11.1
fixed
suse enterprise server 15 SP3
2.14.2-17.1
fixed
suse enterprise server 15 SP4
2.14.2-150400.22.23
fixed
suse enterprise server 15 SP5
2.14.2-150400.24.3.1
fixed
suse enterprise server 15 SP7
3.5.0-150700.39.4
fixed
openvswitch-vtep
suse enterprise sap 15 SP2
2.13.2-9.11.1
fixed
suse enterprise sap 15 SP3
2.14.2-17.1
fixed
suse enterprise sap 15 SP4
2.14.2-150400.22.23
fixed
suse enterprise sap 15 SP5
2.14.2-150400.24.3.1
fixed
suse enterprise sap 15 SP7
3.5.0-150700.39.4
fixed
suse enterprise server 15 SP2
2.13.2-9.11.1
fixed
suse enterprise server 15 SP3
2.14.2-17.1
fixed
suse enterprise server 15 SP4
2.14.2-150400.22.23
fixed
suse enterprise server 15 SP5
2.14.2-150400.24.3.1
fixed
suse enterprise server 15 SP7
3.5.0-150700.39.4
fixed
ovn
suse enterprise sap 15 SP2
20.03.1-9.11.1
fixed
suse enterprise sap 15 SP3
20.06.2-17.1
fixed
suse enterprise sap 15 SP4
20.06.2-150400.22.23
fixed
suse enterprise sap 15 SP5
20.06.2-150400.24.3.1
fixed
suse enterprise sap 15 SP7
25.03.0-150700.39.4
fixed
suse enterprise server 15 SP2
20.03.1-9.11.1
fixed
suse enterprise server 15 SP3
20.06.2-17.1
fixed
suse enterprise server 15 SP4
20.06.2-150400.22.23
fixed
suse enterprise server 15 SP5
20.06.2-150400.24.3.1
fixed
suse enterprise server 15 SP7
25.03.0-150700.39.4
fixed
ovn-central
suse enterprise sap 15 SP2
20.03.1-9.11.1
fixed
suse enterprise sap 15 SP3
20.06.2-17.1
fixed
suse enterprise sap 15 SP4
20.06.2-150400.22.23
fixed
suse enterprise sap 15 SP5
20.06.2-150400.24.3.1
fixed
suse enterprise sap 15 SP7
25.03.0-150700.39.4
fixed
suse enterprise server 15 SP2
20.03.1-9.11.1
fixed
suse enterprise server 15 SP3
20.06.2-17.1
fixed
suse enterprise server 15 SP4
20.06.2-150400.22.23
fixed
suse enterprise server 15 SP5
20.06.2-150400.24.3.1
fixed
suse enterprise server 15 SP7
25.03.0-150700.39.4
fixed
ovn-devel
suse enterprise sap 15 SP2
20.03.1-9.11.1
fixed
suse enterprise sap 15 SP3
20.06.2-17.1
fixed
suse enterprise sap 15 SP4
20.06.2-150400.22.23
fixed
suse enterprise sap 15 SP5
20.06.2-150400.24.3.1
fixed
suse enterprise sap 15 SP7
25.03.0-150700.39.4
fixed
suse enterprise server 15 SP2
20.03.1-9.11.1
fixed
suse enterprise server 15 SP3
20.06.2-17.1
fixed
suse enterprise server 15 SP4
20.06.2-150400.22.23
fixed
suse enterprise server 15 SP5
20.06.2-150400.24.3.1
fixed
suse enterprise server 15 SP7
25.03.0-150700.39.4
fixed
ovn-docker
suse enterprise sap 15 SP2
20.03.1-9.11.1
fixed
suse enterprise sap 15 SP3
20.06.2-17.1
fixed
suse enterprise sap 15 SP4
20.06.2-150400.22.23
fixed
suse enterprise sap 15 SP5
20.06.2-150400.24.3.1
fixed
suse enterprise sap 15 SP7
25.03.0-150700.39.4
fixed
suse enterprise server 15 SP2
20.03.1-9.11.1
fixed
suse enterprise server 15 SP3
20.06.2-17.1
fixed
suse enterprise server 15 SP4
20.06.2-150400.22.23
fixed
suse enterprise server 15 SP5
20.06.2-150400.24.3.1
fixed
suse enterprise server 15 SP7
25.03.0-150700.39.4
fixed
ovn-host
suse enterprise sap 15 SP2
20.03.1-9.11.1
fixed
suse enterprise sap 15 SP3
20.06.2-17.1
fixed
suse enterprise sap 15 SP4
20.06.2-150400.22.23
fixed
suse enterprise sap 15 SP5
20.06.2-150400.24.3.1
fixed
suse enterprise sap 15 SP7
25.03.0-150700.39.4
fixed
suse enterprise server 15 SP2
20.03.1-9.11.1
fixed
suse enterprise server 15 SP3
20.06.2-17.1
fixed
suse enterprise server 15 SP4
20.06.2-150400.22.23
fixed
suse enterprise server 15 SP5
20.06.2-150400.24.3.1
fixed
suse enterprise server 15 SP7
25.03.0-150700.39.4
fixed
ovn-vtep
suse enterprise sap 15 SP2
20.03.1-9.11.1
fixed
suse enterprise sap 15 SP3
20.06.2-17.1
fixed
suse enterprise sap 15 SP4
20.06.2-150400.22.23
fixed
suse enterprise sap 15 SP5
20.06.2-150400.24.3.1
fixed
suse enterprise sap 15 SP7
25.03.0-150700.39.4
fixed
suse enterprise server 15 SP2
20.03.1-9.11.1
fixed
suse enterprise server 15 SP3
20.06.2-17.1
fixed
suse enterprise server 15 SP4
20.06.2-150400.22.23
fixed
suse enterprise server 15 SP5
20.06.2-150400.24.3.1
fixed
suse enterprise server 15 SP7
25.03.0-150700.39.4
fixed
python3-ovs
suse enterprise sap 15 SP2
2.13.2-9.11.1
fixed
suse enterprise sap 15 SP3
2.14.2-17.1
fixed
suse enterprise sap 15 SP4
2.14.2-150400.22.23
fixed
suse enterprise sap 15 SP5
2.14.2-150400.24.3.1
fixed
suse enterprise sap 15 SP7
3.5.0-150700.39.4
fixed
suse enterprise server 15 SP2
2.13.2-9.11.1
fixed
suse enterprise server 15 SP3
2.14.2-17.1
fixed
suse enterprise server 15 SP4
2.14.2-150400.22.23
fixed
suse enterprise server 15 SP5
2.14.2-150400.24.3.1
fixed
suse enterprise server 15 SP7
3.5.0-150700.39.4
fixed
Red Hat logo
Red Hat Enterprise Linux Releases
Red Hat Product
Release
lldpd
RHEL 9
0:1.0.18-4.el9
fixed
lldpd-devel
RHEL 9
0:1.0.18-4.el9
fixed
Common Weakness Enumeration
References
https://bugzilla.redhat.com/show_bug.cgi?id=1921438
https://cert-portal.siemens.com/productcert/pdf/ssa-941426.pdf
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3T5XHPOGIPWCRRPJUE6P3HVC5PTSD5JS/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JYA4AMJXCNF6UPFG36L2TPPT32C242SP/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SKQWHG2SZJZSGC7PXVDAEJYBN7ESDR7D/
https://mail.openvswitch.org/pipermail/ovs-dev/2021-January/379471.html
https://security.gentoo.org/glsa/202311-16
https://us-cert.cisa.gov/ics/advisories/icsa-21-194-07
https://bugzilla.redhat.com/show_bug.cgi?id=1921438
https://cert-portal.siemens.com/productcert/pdf/ssa-941426.pdf
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3T5XHPOGIPWCRRPJUE6P3HVC5PTSD5JS/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JYA4AMJXCNF6UPFG36L2TPPT32C242SP/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SKQWHG2SZJZSGC7PXVDAEJYBN7ESDR7D/
https://mail.openvswitch.org/pipermail/ovs-dev/2021-January/379471.html
https://security.gentoo.org/glsa/202311-16
https://us-cert.cisa.gov/ics/advisories/icsa-21-194-07