CVE-2021-36980
Moderate
CVE-2021-36980
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.
Exploit probability
1.2%
Published
July 20, 2021
Required by
Not available
Last source change
July 9, 2026
02 / AFFECTED SOFTWARE
Affected packages
7 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2021-36980
View original source
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.
05 / REFERENCES
Further evidence
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27851
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/openvswitch/OSV-2020-2197.yaml
- https://github.com/openvswitch/ovs/commit/38744b1bcb022c611712527f039722115300f58f
- https://github.com/openvswitch/ovs/commit/65c61b0c23a0d474696d7b1cea522a5016a8aeb3
- https://github.com/openvswitch/ovs/commit/6d67310f4d2524b466b98f05ebccc1add1e8cf35
- https://github.com/openvswitch/ovs/commit/77cccc74deede443e8b9102299efc869a52b65b2
- https://github.com/openvswitch/ovs/commit/8ce8dc34b5f73b30ce0c1869af9947013c3c6575
- https://github.com/openvswitch/ovs/commit/9926637a80d0d243dbf9c49761046895e9d1a8e2
- https://security.gentoo.org/glsa/202311-16