{"id":"CVE-2024-26849","summary":"netlink: add nla be16/32 types to minlen array","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetlink: add nla be16/32 types to minlen array\n\nBUG: KMSAN: uninit-value in nla_validate_range_unsigned lib/nlattr.c:222 [inline]\nBUG: KMSAN: uninit-value in nla_validate_int_range lib/nlattr.c:336 [inline]\nBUG: KMSAN: uninit-value in validate_nla lib/nlattr.c:575 [inline]\nBUG: KMSAN: uninit-value in __nla_validate_parse+0x2e20/0x45c0 lib/nlattr.c:631\n nla_validate_range_unsigned lib/nlattr.c:222 [inline]\n nla_validate_int_range lib/nlattr.c:336 [inline]\n validate_nla lib/nlattr.c:575 [inline]\n...\n\nThe message in question matches this policy:\n\n [NFTA_TARGET_REV]       = NLA_POLICY_MAX(NLA_BE32, 255),\n\nbut because NLA_BE32 size in minlen array is 0, the validation\ncode will read past the malformed (too small) attribute.\n\nNote: Other attributes, e.g. BITFIELD32, SINT, UINT.. are also missing:\nthose likely should be added too.","modified":"2026-04-02T10:06:11.929119Z","published":"2024-04-17T10:14:20.184Z","related":["SUSE-SU-2024:3194-1","SUSE-SU-2024:3195-1","SUSE-SU-2024:3383-1","SUSE-SU-2025:20044-1","SUSE-SU-2025:20047-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/26xxx/CVE-2024-26849.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0ac219c4c3ab253f3981f346903458d20bacab32"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7a9d14c63b35f89563c5ecbadf918ad64979712d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9a0d18853c280f6a0ee99f91619f2442a17a323a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a2ab028151841cd833cb53eb99427e0cc990112d"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/26xxx/CVE-2024-26849.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-26849"},{"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":"ecaf75ffd5f5db320d8b1da0198eef5a5ce64a3f"},{"fixed":"0ac219c4c3ab253f3981f346903458d20bacab32"},{"fixed":"a2ab028151841cd833cb53eb99427e0cc990112d"},{"fixed":"7a9d14c63b35f89563c5ecbadf918ad64979712d"},{"fixed":"9a0d18853c280f6a0ee99f91619f2442a17a323a"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-26849.json"}}],"schema_version":"1.7.5"}