net: mana: Fix RX buf alloc_size alignment and atomic op panic

{
  "id": "2d4154bcb2e6361985cda9f08eabe0e54a60172f77cb0ee64a66058d33a0d19c",
  "url": "https://osv.dev/vulnerability/CVE-2024-45001",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "net: mana: Fix RX buf alloc_size alignment and atomic op panic",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: net: mana: Fix RX buf alloc_size alignment and atomic op panic The MANA driver's RX buffer alloc_size is passed into napi_build_skb() to create SKB. skb_shinfo(skb) is located at the end of skb, and its alignment is affected by the alloc_size passed into napi_build_skb(). The size needs to be aligned properly for better performance and atomic operations. Otherwise, on ARM64 CPU, for certain MTU settings like 4000, atomic operations may panic on the skb_shinfo(skb)->dataref due to alignment fault. To fix this bug, add proper alignment to the alloc_size calculation. Sample panic info: [ 253.298819] Unable to handle kernel paging request at virtual address ffff000129ba5cce [ 253.300900] Mem abort info: [ 253.301760] ESR = 0x0000000096000021 [ 253.302825] EC = 0x25: DABT (current EL), IL = 32 bits [ 253.304268] SET = 0, FnV = 0 [ 253.305172] EA = 0, S1PTW = 0 [ 253.306103] FSC = 0x21: alignment fault Call trace: __skb_clone+0xfc/0x198 skb_clone+0x78/0xe0 raw6_local_deliver+0xfc/0x228 ip6_protocol_deliver_rcu+0x80/0x500 ip6_input_finish+0x48/0x80 ip6_input+0x48/0xc0 ip6_sublist_rcv_finish+0x50/0x78 ip6_sublist_rcv+0x1cc/0x2b8 ipv6_list_rcv+0x100/0x150 __netif_receive_skb_list_core+0x180/0x220 netif_receive_skb_list_internal+0x198/0x2a8 __napi_poll+0x138/0x250 net_rx_action+0x148/0x330 handle_softirqs+0x12c/0x3a0",
    "evidence": "osv:CVE-2024-45001",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.6.48",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.10.7",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2024-45001",
      "aliases": [
        "CVE-2024-45001"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
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              "type": "GIT",
              "events": [
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                {
                  "fixed": "e6bea6a45f8a401f3d5a430bc81814f0cc8848cf"
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                {
                  "fixed": "32316f676b4ee87c0404d333d248ccf777f739bc"
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          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
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                  "introduced": "6.4.0"
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                {
                  "fixed": "6.6.48"
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            {
              "type": "ECOSYSTEM",
              "events": [
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                  "introduced": "6.7.0"
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                  "fixed": "6.10.7"
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          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
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          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-45001.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:32.845647180Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/32316f676b4ee87c0404d333d248ccf777f739bc",
        "https://git.kernel.org/stable/c/65f20b174ec0172f2d6bcfd8533ab9c9e7e347fa",
        "https://git.kernel.org/stable/c/e6bea6a45f8a401f3d5a430bc81814f0cc8848cf",
        "https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/45xxx/CVE-2024-45001.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-45001",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/45xxx/CVE-2024-45001.json"
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    "related_cves": [
      {
        "value": "CVE-2024-45001",
        "evidence": "/id"
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    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 499819,
  "published_at": "2024-09-04T19:54:44.961+00:00"
}