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. Reference: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27851 Upstream patches: https://github.com/openvswitch/ovs/commit/77cccc74deede443e8b9102299efc869a52b65b2 https://github.com/openvswitch/ovs/commit/65c61b0c23a0d474696d7b1cea522a5016a8aeb3 https://github.com/openvswitch/ovs/commit/38744b1bcb022c611712527f039722115300f58f https://github.com/openvswitch/ovs/commit/6d67310f4d2524b466b98f05ebccc1add1e8cf35 https://github.com/openvswitch/ovs/commit/8ce8dc34b5f73b30ce0c1869af9947013c3c6575 https://github.com/openvswitch/ovs/commit/9926637a80d0d243dbf9c49761046895e9d1a8e2
Created dpdk tracking bugs for this issue: Affects: fedora-all [bug 1984477] Created lldpd tracking bugs for this issue: Affects: epel-7 [bug 1984480] Affects: fedora-all [bug 1984478] Created openvswitch tracking bugs for this issue: Affects: fedora-all [bug 1984475] Created rdo-openvswitch tracking bugs for this issue: Affects: openstack-rdo [bug 1984476]
Note: This issue was introduced by the following commit https://github.com/openvswitch/ovs/commit/418a7a84245f5fbe589dd1267463fc9ba27a1dd6 , therefore only versions from 2.11.0 to 2.15.0 are affected by this flaw.
This issue has been addressed in the following products: Red Hat OpenShift Container Platform 4.9 Via RHSA-2021:3758 https://access.redhat.com/errata/RHSA-2021:3758
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s): https://access.redhat.com/security/cve/cve-2021-36980
This issue has been addressed in the following products: Red Hat Virtualization 4 for Red Hat Enterprise Linux 7 Via RHSA-2021:3942 https://access.redhat.com/errata/RHSA-2021:3942