Vulnerability 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 Score
5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openvswitch | Openvswitch | >= 2.11.0, <= 2.15.0 |
Related Weaknesses (CWE)
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27851PatchThird Party Advisory
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/openvswitch/OSV-2020-21Third Party Advisory
- https://github.com/openvswitch/ovs/commit/38744b1bcb022c611712527f039722115300f5PatchThird Party Advisory
- https://github.com/openvswitch/ovs/commit/65c61b0c23a0d474696d7b1cea522a5016a8aePatchThird Party Advisory
- https://github.com/openvswitch/ovs/commit/6d67310f4d2524b466b98f05ebccc1add1e8cfPatchThird Party Advisory
- https://github.com/openvswitch/ovs/commit/77cccc74deede443e8b9102299efc869a52b65PatchThird Party Advisory
- https://github.com/openvswitch/ovs/commit/8ce8dc34b5f73b30ce0c1869af9947013c3c65PatchThird Party Advisory
- https://github.com/openvswitch/ovs/commit/9926637a80d0d243dbf9c49761046895e9d1a8PatchThird Party Advisory
- https://security.gentoo.org/glsa/202311-16
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27851PatchThird Party Advisory
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/openvswitch/OSV-2020-21Third Party Advisory
- https://github.com/openvswitch/ovs/commit/38744b1bcb022c611712527f039722115300f5PatchThird Party Advisory
- https://github.com/openvswitch/ovs/commit/65c61b0c23a0d474696d7b1cea522a5016a8aePatchThird Party Advisory
- https://github.com/openvswitch/ovs/commit/6d67310f4d2524b466b98f05ebccc1add1e8cfPatchThird Party Advisory
- https://github.com/openvswitch/ovs/commit/77cccc74deede443e8b9102299efc869a52b65PatchThird Party Advisory
FAQ
What is CVE-2021-36980?
CVE-2021-36980 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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.
How severe is CVE-2021-36980?
CVE-2021-36980 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-36980?
Check the references section above for vendor advisories and patch information. Affected products include: Openvswitch Openvswitch.