{"id":"CVE-2022-48999","summary":"ipv4: Handle attempt to delete multipath route when fib_info contains an nh reference","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv4: Handle attempt to delete multipath route when fib_info contains an nh reference\n\nGwangun Jung reported a slab-out-of-bounds access in fib_nh_match:\n    fib_nh_match+0xf98/0x1130 linux-6.0-rc7/net/ipv4/fib_semantics.c:961\n    fib_table_delete+0x5f3/0xa40 linux-6.0-rc7/net/ipv4/fib_trie.c:1753\n    inet_rtm_delroute+0x2b3/0x380 linux-6.0-rc7/net/ipv4/fib_frontend.c:874\n\nSeparate nexthop objects are mutually exclusive with the legacy\nmultipath spec. Fix fib_nh_match to return if the config for the\nto be deleted route contains a multipath spec while the fib_info\nis using a nexthop object.","modified":"2026-03-11T02:49:26.960951Z","published":"2024-10-21T20:06:14.118Z","related":["SUSE-SU-2024:3983-1","SUSE-SU-2024:3985-1","SUSE-SU-2024:4081-1","SUSE-SU-2024:4082-1","SUSE-SU-2024:4103-1","SUSE-SU-2024:4131-1","SUSE-SU-2024:4140-1","SUSE-SU-2024:4364-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48999.json"},"references":[{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"},{"type":"WEB","url":"https://git.kernel.org/stable/c/0b5394229ebae09afc07aabccb5ffd705ffd250e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/25174d91e4a32a24204060d283bd5fa6d0ddf133"},{"type":"WEB","url":"https://git.kernel.org/stable/c/61b91eb33a69c3be11b259c5ea484505cd79f883"},{"type":"WEB","url":"https://git.kernel.org/stable/c/bb20a2ae241be846bc3c11ea4b3a3c69e41d51f2"},{"type":"WEB","url":"https://git.kernel.org/stable/c/cc3cd130ecfb8b0ae52e235e487bae3f16a24a32"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48999.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-48999"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"493ced1ac47c48bb86d9d4e8e87df8592be85a0e"},{"fixed":"cc3cd130ecfb8b0ae52e235e487bae3f16a24a32"},{"fixed":"0b5394229ebae09afc07aabccb5ffd705ffd250e"},{"fixed":"25174d91e4a32a24204060d283bd5fa6d0ddf133"},{"fixed":"bb20a2ae241be846bc3c11ea4b3a3c69e41d51f2"},{"fixed":"61b91eb33a69c3be11b259c5ea484505cd79f883"}]}],"versions":["v5.10","v5.10-rc1","v5.10-rc2","v5.10-rc3","v5.10-rc4","v5.10-rc5","v5.10-rc6","v5.10-rc7","v5.10.1","v5.10.10","v5.10.100","v5.10.101","v5.10.102","v5.10.103","v5.10.104","v5.10.105","v5.10.106","v5.10.107","v5.10.108","v5.10.109","v5.10.11","v5.10.110","v5.10.111","v5.10.112","v5.10.113","v5.10.114","v5.10.115","v5.10.116","v5.10.117","v5.10.118","v5.10.119","v5.10.12","v5.10.120","v5.10.121","v5.10.122","v5.10.123","v5.10.124","v5.10.125","v5.10.126","v5.10.127","v5.10.128","v5.10.129","v5.10.13","v5.10.130","v5.10.131","v5.10.132","v5.10.133","v5.10.134","v5.10.135","v5.10.136","v5.10.137","v5.10.138","v5.10.139","v5.10.14","v5.10.140","v5.10.141","v5.10.142","v5.10.143","v5.10.144","v5.10.145","v5.10.146","v5.10.147","v5.10.148","v5.10.149","v5.10.15","v5.10.150","v5.10.151","v5.10.152","v5.10.153","v5.10.154","v5.10.155","v5.10.156","v5.10.157","v5.10.16","v5.10.17","v5.10.18","v5.10.19","v5.10.2","v5.10.20","v5.10.21","v5.10.22","v5.10.23","v5.10.24","v5.10.25","v5.10.26","v5.10.27","v5.10.28","v5.10.29","v5.10.3","v5.10.30","v5.10.31","v5.10.32","v5.10.33","v5.10.34","v5.10.35","v5.10.36","v5.10.37","v5.10.38","v5.10.39","v5.10.4","v5.10.40","v5.10.41","v5.10.42","v5.10.43","v5.10.44","v5.10.45","v5.10.46","v5.10.47","v5.10.48","v5.10.49","v5.10.5","v5.10.50","v5.10.51","v5.10.52","v5.10.53","v5.10.54","v5.10.55","v5.10.56","v5.10.57","v5.10.58","v5.10.59","v5.10.6","v5.10.60","v5.10.61","v5.10.62","v5.10.63","v5.10.64","v5.10.65","v5.10.66","v5.10.67","v5.10.68","v5.10.69","v5.10.7","v5.10.70","v5.10.71","v5.10.72","v5.10.73","v5.10.74","v5.10.75","v5.10.76","v5.10.77","v5.10.78","v5.10.79","v5.10.8","v5.10.80","v5.10.81","v5.10.82","v5.10.83","v5.10.84","v5.10.85","v5.10.86","v5.10.87","v5.10.88","v5.10.89","v5.10.9","v5.10.90","v5.10.91","v5.10.92","v5.10.93","v5.10.94","v5.10.95","v5.10.96","v5.10.97","v5.10.98","v5.10.99","v5.11","v5.11-rc1","v5.11-rc2","v5.11-rc3","v5.11-rc4","v5.11-rc5","v5.11-rc6","v5.11-rc7","v5.12","v5.12-rc1","v5.12-rc1-dontuse","v5.12-rc2","v5.12-rc3","v5.12-rc4","v5.12-rc5","v5.12-rc6","v5.12-rc7","v5.12-rc8","v5.13","v5.13-rc1","v5.13-rc2","v5.13-rc3","v5.13-rc4","v5.13-rc5","v5.13-rc6","v5.13-rc7","v5.14","v5.14-rc1","v5.14-rc2","v5.14-rc3","v5.14-rc4","v5.14-rc5","v5.14-rc6","v5.14-rc7","v5.15","v5.15-rc1","v5.15-rc2","v5.15-rc3","v5.15-rc4","v5.15-rc5","v5.15-rc6","v5.15-rc7","v5.15.1","v5.15.10","v5.15.11","v5.15.12","v5.15.13","v5.15.14","v5.15.15","v5.15.16","v5.15.17","v5.15.18","v5.15.19","v5.15.2","v5.15.20","v5.15.21","v5.15.22","v5.15.23","v5.15.24","v5.15.25","v5.15.26","v5.15.27","v5.15.28","v5.15.29","v5.15.3","v5.15.30","v5.15.31","v5.15.32","v5.15.33","v5.15.34","v5.15.35","v5.15.36","v5.15.37","v5.15.38","v5.15.39","v5.15.4","v5.15.40","v5.15.41","v5.15.42","v5.15.43","v5.15.44","v5.15.45","v5.15.46","v5.15.47","v5.15.48","v5.15.49","v5.15.5","v5.15.50","v5.15.51","v5.15.52","v5.15.53","v5.15.54","v5.15.55","v5.15.56","v5.15.57","v5.15.58","v5.15.59","v5.15.6","v5.15.60","v5.15.61","v5.15.62","v5.15.63","v5.15.64","v5.15.65","v5.15.66","v5.15.67","v5.15.68","v5.15.69","v5.15.7","v5.15.70","v5.15.71","v5.15.72","v5.15.73","v5.15.74","v5.15.75","v5.15.76","v5.15.77","v5.15.78","v5.15.79","v5.15.8","v5.15.80","v5.15.81","v5.15.9","v5.16","v5.16-rc1","v5.16-rc2","v5.16-rc3","v5.16-rc4","v5.16-rc5","v5.16-rc6","v5.16-rc7"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