{"id":"CVE-2025-68744","summary":"bpf: Free special fields when update [lru_,]percpu_hash maps","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Free special fields when update [lru_,]percpu_hash maps\n\nAs [lru_,]percpu_hash maps support BPF_KPTR_{REF,PERCPU}, missing\ncalls to 'bpf_obj_free_fields()' in 'pcpu_copy_value()' could cause the\nmemory referenced by BPF_KPTR_{REF,PERCPU} fields to be held until the\nmap gets freed.\n\nFix this by calling 'bpf_obj_free_fields()' after\n'copy_map_value[,_long]()' in 'pcpu_copy_value()'.","modified":"2026-04-02T13:03:45.500533Z","published":"2025-12-24T12:09:40.839Z","related":["SUSE-SU-2026:0278-1","SUSE-SU-2026:0281-1","SUSE-SU-2026:0315-1","SUSE-SU-2026:20207-1","SUSE-SU-2026:20220-1","SUSE-SU-2026:20228-1","SUSE-SU-2026:20477-1","SUSE-SU-2026:20498-1","SUSE-SU-2026:20845-1","SUSE-SU-2026:20876-1","openSUSE-SU-2026:10039-1","openSUSE-SU-2026:10301-1","openSUSE-SU-2026:20145-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/68xxx/CVE-2025-68744.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/3bf1378747e251571e0de15e7e0a6bf2919044e7"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4a03d69cece145e4fb527464be29c3806aa3221e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6af6e49a76c9af7d42eb923703e7648cb2bf401a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/96a5cb7072cabbac5c66ac9318242c3bdceebb68"},{"type":"WEB","url":"https://git.kernel.org/stable/c/994d6303ed0b84cbc795bb5becf7ed6de40d3f3c"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/68xxx/CVE-2025-68744.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-68744"},{"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":"65334e64a493c6a0976de7ad56bf8b7a9ff04b4a"},{"fixed":"994d6303ed0b84cbc795bb5becf7ed6de40d3f3c"},{"fixed":"3bf1378747e251571e0de15e7e0a6bf2919044e7"},{"fixed":"96a5cb7072cabbac5c66ac9318242c3bdceebb68"},{"fixed":"4a03d69cece145e4fb527464be29c3806aa3221e"},{"fixed":"6af6e49a76c9af7d42eb923703e7648cb2bf401a"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-68744.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.4.0"},{"fixed":"6.6.120"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.63"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.17.13"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.18.0"},{"fixed":"6.18.2"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-68744.json"}}],"schema_version":"1.7.5"}