CVE-2021-36980

CWE-416 — Use After Free8 documents8 sources
Severity
5.5MEDIUM
EPSS
0.1%
top 77.12%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Openvswitch Openvswitch
Timeline
PublishedJul 20
Latest updateMay 24

Description

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages2 packages

▶Debianopenvswitch< 2.15.0+ds1-2+deb11u1+3
▶NVDopenvswitch/openvswitch2.11.0 — 2.15.0

Patches

Patch: bugs.chromium.org ↗Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-ww48-mfpv-wc3r: Open vSwitch (aka openvswitch) 2↗2022-05-24
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CVEList
CVE-2021-36980: Open vSwitch (aka openvswitch) 2↗2021-07-20
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OSV
CVE-2021-36980: Open vSwitch (aka openvswitch) 2↗2021-07-20
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📋Vendor Advisories

4
Ubuntu
Open vSwitch vulnerability↗2021-09-08
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Microsoft
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.↗2021-07-13
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Red Hat
openvswitch: use-after-free in decode_NXAST_RAW_ENCAP during the decoding of a RAW_ENCAP action↗2021-02-23
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Debian
CVE-2021-36980: openvswitch - Open vSwitch (aka openvswitch) 2.11.0 through 2.15.0 has a use-after-free in dec...↗2021
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