{"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":"2026-04-11T12:43:24.662249Z","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":"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"},{"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":"493ced1ac47c48bb86d9d4e8e87df8592be85a0e"},{"fixed":"cc3cd130ecfb8b0ae52e235e487bae3f16a24a32"},{"fixed":"0b5394229ebae09afc07aabccb5ffd705ffd250e"},{"fixed":"25174d91e4a32a24204060d283bd5fa6d0ddf133"},{"fixed":"bb20a2ae241be846bc3c11ea4b3a3c69e41d51f2"},{"fixed":"61b91eb33a69c3be11b259c5ea484505cd79f883"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-48999.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.3.0"},{"fixed":"5.4.226"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.5.0"},{"fixed":"5.10.158"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.82"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.0.12"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-48999.json"}}],"schema_version":"1.7.5"}