{"id":"UBUNTU-CVE-2022-3534","details":"A vulnerability classified as critical has been found in Linux Kernel. Affected is the function btf_dump_name_dups of the file tools/lib/bpf/btf_dump.c of the component libbpf. The manipulation leads to use after free. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-211032.","modified":"2026-04-22T15:36:58.647814Z","published":"2022-10-17T09:15:00Z","related":["USN-5759-1","USN-5759-2","USN-6215-1"],"upstream":["CVE-2022-3534"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-3534"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5759-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5759-2"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6215-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2022-3534"}],"affected":[{"package":{"name":"dwarves-dfsg","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/dwarves-dfsg@1.10-2.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.10-2ubuntu1","1.10-2.1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.10-2.1","binary_name":"dwarves"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-3534.json"}},{"package":{"name":"dwarves-dfsg","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/dwarves-dfsg@1.21-0ubuntu1~18.04.1+esm1?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.21-0ubuntu1~18.04.1+esm1"}]}],"versions":["1.10-2.1","1.10-2.1build1","1.21-0ubuntu1~18.04"],"ecosystem_specific":{"binaries":[{"binary_version":"1.21-0ubuntu1~18.04.1+esm1","binary_name":"dwarves"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-3534.json"}},{"package":{"name":"dwarves-dfsg","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/dwarves-dfsg@1.21-0ubuntu1~20.04.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.21-0ubuntu1~20.04.1"}]}],"versions":["1.15-1","1.15-2","1.21-0ubuntu1~20.04"],"ecosystem_specific":{"binaries":[{"binary_version":"1.21-0ubuntu1~20.04.1","binary_name":"dwarves"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-3534.json"}},{"package":{"name":"libbpf","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/libbpf@0.5.0-1~ubuntu20.04.1+esm1?arch=source&distro=esm-apps/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.5.0-1~ubuntu20.04.1+esm1"}]}],"versions":["0.5.0-1~ubuntu20.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"1:0.5.0-1~ubuntu20.04.1+esm1","binary_name":"libbpf0"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-3534.json"}},{"package":{"name":"libbpf","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/libbpf@0.5.0-1ubuntu22.04.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.5.0-1ubuntu22.04.1"}]}],"versions":["0.4.0-1ubuntu1","0.5.0-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1:0.5.0-1ubuntu22.04.1","binary_name":"libbpf0"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-3534.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}