{"id":"CVE-2026-46231","summary":"batman-adv: bla: put backbone reference on failed claim hash insert","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: bla: put backbone reference on failed claim hash insert\n\nWhen batadv_bla_add_claim() fails to insert a new claim into the hash, it\nleaked a reference to the backbone_gw for which the claim was intended.\nCall batadv_backbone_gw_put() on the error path to release the reference\nand avoid leaking the backbone_gw object.","modified":"2026-07-22T18:14:54.736663161Z","published":"2026-05-28T09:40:53.471Z","related":["SUSE-SU-2026:3130-1","SUSE-SU-2026:3166-1","openSUSE-SU-2026:10954-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46231.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0baf4b659cdc7305cf685b5a5d60f9e3816ab5d0"},{"type":"WEB","url":"https://git.kernel.org/stable/c/2888c9a154123db0254ae4fb9bea570c7e1f2e06"},{"type":"WEB","url":"https://git.kernel.org/stable/c/65419eb4259a26a3cd3f56fa0e3b3c113bf8c256"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6c8b68a7ed667a63aa603ba4d3a7088be143007e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/769f413d374ff2b6ff6d8d8c37b4c1178e6cdf14"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7cccf4eb4f96d3c3af91a00b7a9caa652439542e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ba9d20ee9076dac32c371116bacbe72480eb356c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/fd0ca034c1e71ca7613cde9dd892836b2c2831bd"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46231.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46231"},{"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":"3db0decf1185357d6ab2256d0dede1ca9efda03d"},{"fixed":"6c8b68a7ed667a63aa603ba4d3a7088be143007e"},{"fixed":"769f413d374ff2b6ff6d8d8c37b4c1178e6cdf14"},{"fixed":"2888c9a154123db0254ae4fb9bea570c7e1f2e06"},{"fixed":"65419eb4259a26a3cd3f56fa0e3b3c113bf8c256"},{"fixed":"fd0ca034c1e71ca7613cde9dd892836b2c2831bd"},{"fixed":"0baf4b659cdc7305cf685b5a5d60f9e3816ab5d0"},{"fixed":"7cccf4eb4f96d3c3af91a00b7a9caa652439542e"},{"fixed":"ba9d20ee9076dac32c371116bacbe72480eb356c"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0"},{"last_affected":"3fdd337ac0b277a1f40aa73b35283520f426e517"},{"last_affected":"485eedfabc2aefac8f09f98a82ba1c1e3e202a6d"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"3.16.39"},{"fixed":"3.17"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"4.4.217"},{"fixed":"4.5"}]}],"versions":["v4.4.216","v4.4.215","v4.4.214","v4.4.213","v4.4.212","v4.4.211","v4.4.210","v4.4.209","v4.4.208","v4.4.207","v4.4.206","v4.4.205","v4.4.204","v4.4.203","v4.4.202","v4.4.201","v4.4.200","v4.4.199","v4.4.198","v4.4.197","v4.4.196","v4.4.195","v4.4.194","v4.4.193","v4.4.192","v4.4.191","v4.4.190","v4.4.189","v4.4.188","v4.4.187","v4.4.186","v4.4.185","v4.4.184","v4.4.183","v4.4.182","v4.4.181","v4.4.180","v4.4.179","v4.4.178","v4.4.177","v4.4.176","v4.4.175","v4.4.174","v4.4.173","v4.4.172","v4.4.171","v4.4.170","v4.4.169","v4.4.168","v4.4.167","v4.4.166","v4.4.165","v4.4.164","v4.4.163","v4.4.162","v4.4.161","v4.4.160","v4.4.159","v4.4.158","v4.4.157","v4.4.156","v4.4.155","v4.4.154","v4.4.153","v4.4.152","v4.4.151","v4.4.150","v4.4.149","v4.4.148","v4.4.147","v4.4.146","v4.4.145","v4.4.144","v4.4.143","v4.4.142","v4.4.141","v4.4.140","v4.4.139","v4.4.138","v4.4.137","v4.4.136","v4.4.135","v4.4.134","v4.4.133","v4.4.132","v4.4.131","v4.4.130","v4.4.129","v4.4.128","v4.4.127","v4.4.126","v4.4.125","v4.4.124","v4.4.123","v4.4.122","v4.4.121","v4.4.120","v4.4.119","v4.4.118","v4.4.117","v4.4.116","v4.4.115","v4.4.114","v4.4.113","v4.4.112","v4.4.111","v4.4.110","v4.4.109","v4.4.108","v4.4.107","v4.4.106","v4.4.105","v4.4.104","v4.4.103","v4.4.102","v4.4.101","v4.4.100","v4.4.99","v4.4.98","v4.4.97","v4.4.96","v4.4.95","v4.4.94","v4.4.93","v4.4.92","v4.4.91","v4.4.90","v4.4.89","v4.4.88","v4.4.87","v4.4.86","v4.4.85","v4.4.84","v4.4.83","v4.4.82","v4.4.81","v4.4.80","v4.4.79","v4.4.78","v4.4.77","v4.4.76","v4.4.75","v4.4.74","v4.4.73","v4.4.72","v4.4.71","v4.4.70","v4.4.69","v4.4.68","v4.4.67","v4.4.66","v4.4.65","v4.4.64","v4.4.63","v4.4.62","v4.4.61","v4.4.60","v4.4.59","v4.4.58","v4.4.57","v4.4.56","v4.4.55","v4.4.54","v4.4.53","v4.4.52","v4.4.51","v4.4.50","v4.4.49","v4.4.48","v4.4.47","v4.4.46","v4.4.45","v4.4.44","v4.4.43","v4.4.42","v4.4.41","v4.4.40","v4.4.39","v4.4.38","v4.4.37","v4.4.36","v4.4.35","v4.4.34","v4.4.33","v3.16.38","v4.4.32","v4.4.31","v4.4.30","v4.4.29","v4.4.28","v4.4.27","v4.4.26","v3.16.37","v4.4.25","v4.4.24","v4.4.23","v4.4.22","v4.4.21","v4.4.20","v4.4.19","v3.16.36","v4.4.18","v4.4.17","v4.4.16","v4.4.15","v4.4.14","v4.4.13","v3.16.35","v4.4.12","v4.4.11","v4.4.10","v4.4.9","v4.4.8","v4.4.7","v4.4.6","v4.4","v4.4.5","v4.4.4","v4.4.3","v4.4.2","v4.4.1","v4.4-rc1","v4.4-rc2","v4.4-rc8","v4.4-rc3","v4.4-rc7","v4.4-rc5","v4.4-rc6","v4.4-rc4","v4.3","v4.3-rc1","v4.3-rc6","v4.3-rc4","v4.3-rc2","v4.3-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