{"id":"CVE-2025-39853","summary":"i40e: Fix potential invalid access when MAC list is empty","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ni40e: Fix potential invalid access when MAC list is empty\n\nlist_first_entry() never returns NULL - if the list is empty, it still\nreturns a pointer to an invalid object, leading to potential invalid\nmemory access when dereferenced.\n\nFix this by using list_first_entry_or_null instead of list_first_entry.","modified":"2026-06-18T03:56:15.494267752Z","published":"2025-09-19T15:26:25.101Z","related":["SUSE-SU-2025:03600-1","SUSE-SU-2025:03614-1","SUSE-SU-2025:03634-1","SUSE-SU-2025:20851-1","SUSE-SU-2025:20861-1","SUSE-SU-2025:20870-1","SUSE-SU-2025:20898-1","SUSE-SU-2025:21074-1","SUSE-SU-2025:21139-1","SUSE-SU-2025:21179-1","SUSE-SU-2025:3751-1","SUSE-SU-2025:4057-1","SUSE-SU-2025:4132-1","SUSE-SU-2025:4141-1","openSUSE-SU-2025:20081-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39853.json"},"references":[{"type":"WEB","url":"https://cert-portal.siemens.com/productcert/html/ssa-032379.html"},{"type":"WEB","url":"https://cert-portal.siemens.com/productcert/html/ssa-089022.html"},{"type":"WEB","url":"https://git.kernel.org/stable/c/1eadabcf5623f1237a539b16586b4ed8ac8dffcd"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3c6fb929afa313d9d11f780451d113f73922fe5d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/66e7cdbda74ee823ec2bf7b830ebd235c54f5ddf"},{"type":"WEB","url":"https://git.kernel.org/stable/c/971feafe157afac443027acdc235badc6838560b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9c21fc4cebd44dd21016c61261a683af390343f8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a556f06338e1d5a85af0e32ecb46e365547f92b9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e2a5e74879f9b494bbd66fa93f355feacde450c7"},{"type":"WEB","url":"https://git.kernel.org/stable/c/fb216d980fae6561c7c70af8ef826faf059c6515"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39853.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-39853"},{"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":"e3219ce6a775468368fb270fae3eb82a6787b436"},{"fixed":"971feafe157afac443027acdc235badc6838560b"},{"fixed":"3c6fb929afa313d9d11f780451d113f73922fe5d"},{"fixed":"1eadabcf5623f1237a539b16586b4ed8ac8dffcd"},{"fixed":"e2a5e74879f9b494bbd66fa93f355feacde450c7"},{"fixed":"fb216d980fae6561c7c70af8ef826faf059c6515"},{"fixed":"66e7cdbda74ee823ec2bf7b830ebd235c54f5ddf"},{"fixed":"9c21fc4cebd44dd21016c61261a683af390343f8"},{"fixed":"a556f06338e1d5a85af0e32ecb46e365547f92b9"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-39853.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.6.0"},{"fixed":"5.4.299"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.5.0"},{"fixed":"5.10.243"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.192"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.151"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.105"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.46"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.16.6"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-39853.json"}}],"schema_version":"1.7.5"}