CVE-2021-36980

mediumPriorität · verfolgen · 22EPSS 0.012 · 68. PerzentilEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.18% (68th) EPSS

CVSS 4.3 · medium

Is it mine?

80 products

Prüfe deine Angriffsfläche

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · redhat_csaf

EPSS · bewertet 2026-10-27

Open vSwitch (aka openvswitch) 2.11.0 through 2.15.0 has a use-after-free in decode_NXAST_RAW_ENCAP (called from ofpact_decode and ofpacts_decode) during the decoding of a RAW_ENCAP action.

Behebungen

Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.

Ein Hersteller-Fix ist verfügbar.

Behobennetwork-scripts-openvswitch2.11-0:2.11.3-86.el8fdp.ppc64le as a component of Fast Datapath for Red Hat Enterprise Linux 8redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Users of openvswitch2.11 are advised to upgrade to these updated packages, which fix these bugs.
https://access.redhat.com/errata/RHBA-2021:1163
Behobennetwork-scripts-openvswitch2.11-0:2.11.3-86.el8fdp.s390x as a component of Fast Datapath for Red Hat Enterprise Linux 8redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Users of openvswitch2.11 are advised to upgrade to these updated packages, which fix these bugs.
https://access.redhat.com/errata/RHBA-2021:1163
Behobennetwork-scripts-openvswitch2.11-0:2.11.3-86.el8fdp.x86_64 as a component of Fast Datapath for Red Hat Enterprise Linux 8redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Users of openvswitch2.11 are advised to upgrade to these updated packages, which fix these bugs.
https://access.redhat.com/errata/RHBA-2021:1163
Behobenopenvswitch2.11-0:2.11.3-86.el8fdp.ppc64le as a component of Fast Datapath for Red Hat Enterprise Linux 8redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Users of openvswitch2.11 are advised to upgrade to these updated packages, which fix these bugs.
https://access.redhat.com/errata/RHBA-2021:1163
Behobenopenvswitch2.11-0:2.11.3-86.el8fdp.s390x as a component of Fast Datapath for Red Hat Enterprise Linux 8redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Users of openvswitch2.11 are advised to upgrade to these updated packages, which fix these bugs.
https://access.redhat.com/errata/RHBA-2021:1163
Behobenopenvswitch2.11-0:2.11.3-86.el8fdp.src as a component of Fast Datapath for Red Hat Enterprise Linux 8redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Users of openvswitch2.11 are advised to upgrade to these updated packages, which fix these bugs.
https://access.redhat.com/errata/RHBA-2021:1163
Behobenopenvswitch2.11-0:2.11.3-86.el8fdp.x86_64 as a component of Fast Datapath for Red Hat Enterprise Linux 8redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Users of openvswitch2.11 are advised to upgrade to these updated packages, which fix these bugs.
https://access.redhat.com/errata/RHBA-2021:1163
Behobenopenvswitch2.11-debuginfo-0:2.11.3-86.el8fdp.ppc64le as a component of Fast Datapath for Red Hat Enterprise Linux 8redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Users of openvswitch2.11 are advised to upgrade to these updated packages, which fix these bugs.
https://access.redhat.com/errata/RHBA-2021:1163
Behobenopenvswitch2.11-debuginfo-0:2.11.3-86.el8fdp.s390x as a component of Fast Datapath for Red Hat Enterprise Linux 8redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Users of openvswitch2.11 are advised to upgrade to these updated packages, which fix these bugs.
https://access.redhat.com/errata/RHBA-2021:1163
Behobenopenvswitch2.11-debuginfo-0:2.11.3-86.el8fdp.x86_64 as a component of Fast Datapath for Red Hat Enterprise Linux 8redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Users of openvswitch2.11 are advised to upgrade to these updated packages, which fix these bugs.
https://access.redhat.com/errata/RHBA-2021:1163
Behobenopenvswitch2.11-debugsource-0:2.11.3-86.el8fdp.ppc64le as a component of Fast Datapath for Red Hat Enterprise Linux 8redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Users of openvswitch2.11 are advised to upgrade to these updated packages, which fix these bugs.
https://access.redhat.com/errata/RHBA-2021:1163
Behobenopenvswitch2.11-debugsource-0:2.11.3-86.el8fdp.s390x as a component of Fast Datapath for Red Hat Enterprise Linux 8redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Users of openvswitch2.11 are advised to upgrade to these updated packages, which fix these bugs.
https://access.redhat.com/errata/RHBA-2021:1163
Behobenopenvswitch2.11-debugsource-0:2.11.3-86.el8fdp.x86_64 as a component of Fast Datapath for Red Hat Enterprise Linux 8redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Users of openvswitch2.11 are advised to upgrade to these updated packages, which fix these bugs.
https://access.redhat.com/errata/RHBA-2021:1163
Behobenopenvswitch2.11-devel-0:2.11.3-86.el8fdp.ppc64le as a component of Fast Datapath for Red Hat Enterprise Linux 8redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Users of openvswitch2.11 are advised to upgrade to these updated packages, which fix these bugs.
https://access.redhat.com/errata/RHBA-2021:1163
Behobenopenvswitch2.11-devel-0:2.11.3-86.el8fdp.s390x as a component of Fast Datapath for Red Hat Enterprise Linux 8redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Users of openvswitch2.11 are advised to upgrade to these updated packages, which fix these bugs.
https://access.redhat.com/errata/RHBA-2021:1163
Behobenopenvswitch2.11-devel-0:2.11.3-86.el8fdp.x86_64 as a component of Fast Datapath for Red Hat Enterprise Linux 8redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Users of openvswitch2.11 are advised to upgrade to these updated packages, which fix these bugs.
https://access.redhat.com/errata/RHBA-2021:1163
Behobenopenvswitch2.11-test-0:2.11.3-86.el8fdp.noarch as a component of Fast Datapath for Red Hat Enterprise Linux 8redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Users of openvswitch2.11 are advised to upgrade to these updated packages, which fix these bugs.
https://access.redhat.com/errata/RHBA-2021:1163
Behobenpython3-openvswitch2.11-0:2.11.3-86.el8fdp.ppc64le as a component of Fast Datapath for Red Hat Enterprise Linux 8redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Users of openvswitch2.11 are advised to upgrade to these updated packages, which fix these bugs.
https://access.redhat.com/errata/RHBA-2021:1163
Behobenpython3-openvswitch2.11-0:2.11.3-86.el8fdp.s390x as a component of Fast Datapath for Red Hat Enterprise Linux 8redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Users of openvswitch2.11 are advised to upgrade to these updated packages, which fix these bugs.
https://access.redhat.com/errata/RHBA-2021:1163
Behobenpython3-openvswitch2.11-0:2.11.3-86.el8fdp.x86_64 as a component of Fast Datapath for Red Hat Enterprise Linux 8redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Users of openvswitch2.11 are advised to upgrade to these updated packages, which fix these bugs.
https://access.redhat.com/errata/RHBA-2021:1163
Behobenpython3-openvswitch2.11-debuginfo-0:2.11.3-86.el8fdp.ppc64le as a component of Fast Datapath for Red Hat Enterprise Linux 8redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Users of openvswitch2.11 are advised to upgrade to these updated packages, which fix these bugs.
https://access.redhat.com/errata/RHBA-2021:1163
Behobenpython3-openvswitch2.11-debuginfo-0:2.11.3-86.el8fdp.s390x as a component of Fast Datapath for Red Hat Enterprise Linux 8redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Users of openvswitch2.11 are advised to upgrade to these updated packages, which fix these bugs.
https://access.redhat.com/errata/RHBA-2021:1163
Behobenpython3-openvswitch2.11-debuginfo-0:2.11.3-86.el8fdp.x86_64 as a component of Fast Datapath for Red Hat Enterprise Linux 8redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Users of openvswitch2.11 are advised to upgrade to these updated packages, which fix these bugs.
https://access.redhat.com/errata/RHBA-2021:1163
Behobenopenvswitch2.11-0:2.11.3-89.el7fdp.ppc64le as a component of Fast Datapath for Red Hat Enterprise Linux 7redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Users of openvswitch2.11 are advised to upgrade to these updated packages, which fix these bugs.
https://access.redhat.com/errata/RHBA-2021:1166
Behobenopenvswitch2.11-0:2.11.3-89.el7fdp.s390x as a component of Fast Datapath for Red Hat Enterprise Linux 7redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Users of openvswitch2.11 are advised to upgrade to these updated packages, which fix these bugs.
https://access.redhat.com/errata/RHBA-2021:1166
Behobenopenvswitch2.11-0:2.11.3-89.el7fdp.src as a component of Fast Datapath for Red Hat Enterprise Linux 7redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Users of openvswitch2.11 are advised to upgrade to these updated packages, which fix these bugs.
https://access.redhat.com/errata/RHBA-2021:1166
Behobenopenvswitch2.11-0:2.11.3-89.el7fdp.x86_64 as a component of Fast Datapath for Red Hat Enterprise Linux 7redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Users of openvswitch2.11 are advised to upgrade to these updated packages, which fix these bugs.
https://access.redhat.com/errata/RHBA-2021:1166
Behobenopenvswitch2.11-debuginfo-0:2.11.3-89.el7fdp.ppc64le as a component of Fast Datapath for Red Hat Enterprise Linux 7redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Users of openvswitch2.11 are advised to upgrade to these updated packages, which fix these bugs.
https://access.redhat.com/errata/RHBA-2021:1166
Behobenopenvswitch2.11-debuginfo-0:2.11.3-89.el7fdp.s390x as a component of Fast Datapath for Red Hat Enterprise Linux 7redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Users of openvswitch2.11 are advised to upgrade to these updated packages, which fix these bugs.
https://access.redhat.com/errata/RHBA-2021:1166
Behobenopenvswitch2.11-debuginfo-0:2.11.3-89.el7fdp.x86_64 as a component of Fast Datapath for Red Hat Enterprise Linux 7redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Users of openvswitch2.11 are advised to upgrade to these updated packages, which fix these bugs.
https://access.redhat.com/errata/RHBA-2021:1166
Behobenopenvswitch2.11-devel-0:2.11.3-89.el7fdp.ppc64le as a component of Fast Datapath for Red Hat Enterprise Linux 7redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Users of openvswitch2.11 are advised to upgrade to these updated packages, which fix these bugs.
https://access.redhat.com/errata/RHBA-2021:1166
Behobenopenvswitch2.11-devel-0:2.11.3-89.el7fdp.s390x as a component of Fast Datapath for Red Hat Enterprise Linux 7redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Users of openvswitch2.11 are advised to upgrade to these updated packages, which fix these bugs.
https://access.redhat.com/errata/RHBA-2021:1166
Behobenopenvswitch2.11-devel-0:2.11.3-89.el7fdp.x86_64 as a component of Fast Datapath for Red Hat Enterprise Linux 7redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Users of openvswitch2.11 are advised to upgrade to these updated packages, which fix these bugs.
https://access.redhat.com/errata/RHBA-2021:1166
Behobenopenvswitch2.11-test-0:2.11.3-89.el7fdp.noarch as a component of Fast Datapath for Red Hat Enterprise Linux 7redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Users of openvswitch2.11 are advised to upgrade to these updated packages, which fix these bugs.
https://access.redhat.com/errata/RHBA-2021:1166
Behobenpython-openvswitch2.11-0:2.11.3-89.el7fdp.ppc64le as a component of Fast Datapath for Red Hat Enterprise Linux 7redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Users of openvswitch2.11 are advised to upgrade to these updated packages, which fix these bugs.
https://access.redhat.com/errata/RHBA-2021:1166
Behobenpython-openvswitch2.11-0:2.11.3-89.el7fdp.s390x as a component of Fast Datapath for Red Hat Enterprise Linux 7redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Users of openvswitch2.11 are advised to upgrade to these updated packages, which fix these bugs.
https://access.redhat.com/errata/RHBA-2021:1166
Behobenpython-openvswitch2.11-0:2.11.3-89.el7fdp.x86_64 as a component of Fast Datapath for Red Hat Enterprise Linux 7redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Users of openvswitch2.11 are advised to upgrade to these updated packages, which fix these bugs.
https://access.redhat.com/errata/RHBA-2021:1166

cvss

Technischer Schweregrad, 0–10. Eine Zeile je Quelle.

8.6

010

Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · medium–high · 4.3–8.6

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USAusnutzbarkeit 8.6 · Auswirkung 2.9

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:Hprimary · NVD / NIST USAusnutzbarkeit 1.8 · Auswirkung 3.6

v3.18.6highAV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:Hsecondary · FSTEC (BDU) RU

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HsecondaryAusnutzbarkeit 1.8 · Auswirkung 3.6

v3.15.1mediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · Red Hat Product Security US

SSVC

Eine Handlungsentscheidung — aus Ausnutzung und Auswirkung.

Trackcoordinatorcisa_ssvcUS

schwächen

Die CWE-Schwächeklassen, zu denen dies gehört.

CWE-416USprimärCWE-416USCWE-416US

betroffene Produkte (80)

Betroffene Produkte und Versionsbereiche.

n/a n/a≤ n/aenisa_euvdEU
Canonical Ltd. Ubuntu≤ 20.04 LTSfstec_bduRU
Canonical Ltd. Ubuntu≤ 21.04fstec_bduRU
Novell Inc. OpenSUSE Leap≤ 15.4fstec_bduRU
Novell Inc. OpenSUSE Leap≤ 15.3fstec_bduRU
Novell Inc. SUSE Linux Enterprise Server for SAP Applications≤ 15 SP1fstec_bduRU
Novell Inc. SUSE Linux Enterprise Server for SAP Applications≤ 15 SP2fstec_bduRU
Novell Inc. SUSE Linux Enterprise Server for SAP Applications≤ 15fstec_bduRU
Novell Inc. SUSE Linux Enterprise Server for SAP Applications≤ 12 SP3fstec_bduRU
Novell Inc. SUSE Linux Enterprise Server for SAP Applications≤ 12 SP4fstec_bduRU
Novell Inc. SUSE Linux Enterprise Server for SAP Applications≤ 15 SP4fstec_bduRU
Novell Inc. SUSE Linux Enterprise Server for SAP Applications≤ 15 SP3fstec_bduRU
Novell Inc. SUSE Linux Enterprise Server for SAP Applications≤ 12 SP5fstec_bduRU
Novell Inc. Suse Linux Enterprise Desktop≤ 15 SP3fstec_bduRU
Novell Inc. Suse Linux Enterprise Desktop≤ 15 SP2fstec_bduRU
Novell Inc. Suse Linux Enterprise Desktop≤ 15 SP1fstec_bduRU
Novell Inc. Suse Linux Enterprise Desktop≤ 15 SP4fstec_bduRU
Novell Inc. Suse Linux Enterprise Server≤ 12 SP4-ESPOSfstec_bduRU
Novell Inc. Suse Linux Enterprise Server≤ 12 SP4-LTSSfstec_bduRU
Novell Inc. Suse Linux Enterprise Server≤ 15 SP4fstec_bduRU

20 von 80 angezeigt

Advisories (2)

Hersteller- und Ökosystem-Meldungen dazu.

RHBA-2021:1163Red Hat Bug Fix Advisory: openvswitch2.11 bug fix and enhancement update2021-04-12csaf · redhat_csafUS
An update for openvswitch2.11 is now available in Fast Datapath for Red Hat Enterprise Linux 8.
RHBA-2021:1166Red Hat Bug Fix Advisory: openvswitch2.11 bug fix and enhancement update2021-04-12csaf · redhat_csafUS
An update for openvswitch2.11 is now available in Fast Datapath for Red Hat Enterprise Linux 7.

auch bekannt als (4)

Weitere Namen und Kennungen dieser Entität.

quellen

Welche Quellen diesen Datensatz belegen und wann.

cnnvd enisa_euvd fstec_bdu redhat_csaf NVD CVE.org MITRE

veröffentlicht 2021-07-20geändert 2026-06-17

verwandt (12,285)

Verwandte Einträge.

ID	Schweregrad	EPSS	ausnutzbar	veröffentlicht
CVE-2026-109619US	high8.1OT kritisch	100.0% (100th)	KEV	2026-10-21
PHP has various global state that temporarily points into request memory. In some scenarios, global state may not be correctly reset, or may be repopulated after being reset. The g…
CVE-2026-109618US	critical9.8OT kritisch	100.0% (100th)	KEV	2026-10-21
PHP uses longjmp() for out-of-memory (OOM) errors to exit the current context and abort handling of the request. Some contexts may not properly account for this scenario and leave…
CVE-2026-68820US	—OT kritisch	0.33% (26th)	KEV	2026-08-11
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
CVE-2026-5281US	—OT kritisch	13.5% (96th)	KEV	2026-04-01
Use after free in Dawn in Google Chrome prior to 146.0.7680.178 allowed a remote attacker who had compromised the renderer process to execute arbitrary code via a crafted HTML page…
CVE-2026-2441US	high8.8OT kritisch	55.0% (99th)	KEV	2026-02-13
Use after free in CSS in Google Chrome prior to 145.0.7632.75 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security sever…

+12280 weitere

Referenzen (39)

Externe Belege — Patches, Meldungen, Analysen.

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