{"id":"CVE-2025-37939","summary":"libbpf: Fix accessing BTF.ext core_relo header","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nlibbpf: Fix accessing BTF.ext core_relo header\n\nUpdate btf_ext_parse_info() to ensure the core_relo header is present\nbefore reading its fields. This avoids a potential buffer read overflow\nreported by the OSS Fuzz project.","modified":"2026-05-18T05:57:28.207903569Z","published":"2025-05-20T15:34:41.511Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/37xxx/CVE-2025-37939.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0a7c2a84359612e54328aa52030eb202093da6e2"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3a67f60f0a8be10cea7a884a1a00e9feb6645657"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d529411ec44535308c5d59cbeff74be6fe14b479"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/37xxx/CVE-2025-37939.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-37939"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"cf579164e9ea9cd41c7c1da931683a319d224890"},{"fixed":"d529411ec44535308c5d59cbeff74be6fe14b479"},{"fixed":"3a67f60f0a8be10cea7a884a1a00e9feb6645657"},{"fixed":"0a7c2a84359612e54328aa52030eb202093da6e2"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-37939.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.13.11"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.14.0"},{"fixed":"6.14.2"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-37939.json"}}],"schema_version":"1.7.5"}