{"id":"CVE-2024-45001","summary":"net: mana: Fix RX buf alloc_size alignment and atomic op panic","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: mana: Fix RX buf alloc_size alignment and atomic op panic\n\nThe MANA driver's RX buffer alloc_size is passed into napi_build_skb() to\ncreate SKB. skb_shinfo(skb) is located at the end of skb, and its alignment\nis affected by the alloc_size passed into napi_build_skb(). The size needs\nto be aligned properly for better performance and atomic operations.\nOtherwise, on ARM64 CPU, for certain MTU settings like 4000, atomic\noperations may panic on the skb_shinfo(skb)-\u003edataref due to alignment fault.\n\nTo fix this bug, add proper alignment to the alloc_size calculation.\n\nSample panic info:\n[  253.298819] Unable to handle kernel paging request at virtual address ffff000129ba5cce\n[  253.300900] Mem abort info:\n[  253.301760]   ESR = 0x0000000096000021\n[  253.302825]   EC = 0x25: DABT (current EL), IL = 32 bits\n[  253.304268]   SET = 0, FnV = 0\n[  253.305172]   EA = 0, S1PTW = 0\n[  253.306103]   FSC = 0x21: alignment fault\nCall trace:\n __skb_clone+0xfc/0x198\n skb_clone+0x78/0xe0\n raw6_local_deliver+0xfc/0x228\n ip6_protocol_deliver_rcu+0x80/0x500\n ip6_input_finish+0x48/0x80\n ip6_input+0x48/0xc0\n ip6_sublist_rcv_finish+0x50/0x78\n ip6_sublist_rcv+0x1cc/0x2b8\n ipv6_list_rcv+0x100/0x150\n __netif_receive_skb_list_core+0x180/0x220\n netif_receive_skb_list_internal+0x198/0x2a8\n __napi_poll+0x138/0x250\n net_rx_action+0x148/0x330\n handle_softirqs+0x12c/0x3a0","modified":"2026-04-02T12:18:38.356173Z","published":"2024-09-04T19:54:44.961Z","related":["MGASA-2024-0309","MGASA-2024-0310","SUSE-SU-2024:3551-1","SUSE-SU-2024:3553-1","SUSE-SU-2024:3561-1","SUSE-SU-2024:3564-1","SUSE-SU-2024:3569-1","SUSE-SU-2024:3587-1","SUSE-SU-2024:3592-1","SUSE-SU-2025:20073-1","SUSE-SU-2025:20077-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/45xxx/CVE-2024-45001.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/32316f676b4ee87c0404d333d248ccf777f739bc"},{"type":"WEB","url":"https://git.kernel.org/stable/c/65f20b174ec0172f2d6bcfd8533ab9c9e7e347fa"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e6bea6a45f8a401f3d5a430bc81814f0cc8848cf"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/45xxx/CVE-2024-45001.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-45001"},{"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":"80f6215b450eb8e92d8b1f117abf5ecf867f963e"},{"fixed":"65f20b174ec0172f2d6bcfd8533ab9c9e7e347fa"},{"fixed":"e6bea6a45f8a401f3d5a430bc81814f0cc8848cf"},{"fixed":"32316f676b4ee87c0404d333d248ccf777f739bc"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-45001.json"}}],"schema_version":"1.7.5"}