net-sysfs: add check for netdevice being present to speed_show

{
  "id": "5976abc67558107cb3b177a64ff140c09b3c10248ba55c4c1a32c154c960e146",
  "url": "https://osv.dev/vulnerability/CVE-2022-48850",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "net-sysfs: add check for netdevice being present to speed_show",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: net-sysfs: add check for netdevice being present to speed_show When bringing down the netdevice or system shutdown, a panic can be triggered while accessing the sysfs path because the device is already removed. [ 755.549084] mlx5_core 0000:12:00.1: Shutdown was called [ 756.404455] mlx5_core 0000:12:00.0: Shutdown was called ... [ 757.937260] BUG: unable to handle kernel NULL pointer dereference at (null) [ 758.031397] IP: [] dma_pool_alloc+0x1ab/0x280 crash> bt ... PID: 12649 TASK: ffff8924108f2100 CPU: 1 COMMAND: \"amsd\" ... #9 [ffff89240e1a38b0] page_fault at ffffffff8f38c778 [exception RIP: dma_pool_alloc+0x1ab] RIP: ffffffff8ee11acb RSP: ffff89240e1a3968 RFLAGS: 00010046 RAX: 0000000000000246 RBX: ffff89243d874100 RCX: 0000000000001000 RDX: 0000000000000000 RSI: 0000000000000246 RDI: ffff89243d874090 RBP: ffff89240e1a39c0 R8: 000000000001f080 R9: ffff8905ffc03c00 R10: ffffffffc04680d4 R11: ffffffff8edde9fd R12: 00000000000080d0 R13: ffff89243d874090 R14: ffff89243d874080 R15: 0000000000000000 ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018 #10 [ffff89240e1a39c8] mlx5_alloc_cmd_msg at ffffffffc04680f3 [mlx5_core] #11 [ffff89240e1a3a18] cmd_exec at ffffffffc046ad62 [mlx5_core] #12 [ffff89240e1a3ab8] mlx5_cmd_exec at ffffffffc046b4fb [mlx5_core] #13 [ffff89240e1a3ae8] mlx5_core_access_reg at ffffffffc0475434 [mlx5_core] #14 [ffff89240e1a3b40] mlx5e_get_fec_caps at ffffffffc04a7348 [mlx5_core] #15 [ffff89240e1a3",
    "evidence": "osv:CVE-2022-48850",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.9.307",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "4.14.272",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "4.19.235",
            "evidence": "/affected/1/ranges"
          },
          {
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            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.10.106",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.29",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.16.15",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2022-48850",
      "aliases": [
        "CVE-2022-48850"
      ],
      "affected": [
        {
          "ranges": [
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              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
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                },
                {
                  "fixed": "081369ad088a76429984483b8a5f7e967a125aad"
                },
                {
                  "fixed": "75fc8363227a999e8f3d17e2eb28dce5600dcd3f"
                },
                {
                  "fixed": "8879b5313e9fa5e0c6d6812a0d25d83aed0110e2"
                },
                {
                  "fixed": "d15c9f6e3335002fea1c33bc8f71a705fa96976c"
                },
                {
                  "fixed": "8d5e69d8fbf3a35ab4fbe56b8f092802b43f3ef6"
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                {
                  "fixed": "3a79f380b3e10edf6caa9aac90163a5d7a282204"
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                {
                  "fixed": "4224cfd7fb6523f7a9d1c8bb91bb5df1e38eb624"
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              ]
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          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-48850.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "2.6.33"
                },
                {
                  "fixed": "4.9.307"
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              ]
            },
            {
              "type": "ECOSYSTEM",
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                  "introduced": "5.5.0"
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              ]
            },
            {
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                },
                {
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            },
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          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-48850.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:33.206711050Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/081369ad088a76429984483b8a5f7e967a125aad",
        "https://git.kernel.org/stable/c/3a79f380b3e10edf6caa9aac90163a5d7a282204",
        "https://git.kernel.org/stable/c/4224cfd7fb6523f7a9d1c8bb91bb5df1e38eb624",
        "https://git.kernel.org/stable/c/75fc8363227a999e8f3d17e2eb28dce5600dcd3f",
        "https://git.kernel.org/stable/c/8879b5313e9fa5e0c6d6812a0d25d83aed0110e2",
        "https://git.kernel.org/stable/c/8d5e69d8fbf3a35ab4fbe56b8f092802b43f3ef6",
        "https://git.kernel.org/stable/c/a7b9ab04c5932dee7ec95e0abc58b0df350c0dd2",
        "https://git.kernel.org/stable/c/d15c9f6e3335002fea1c33bc8f71a705fa96976c",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48850.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-48850",
        "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/2022/48xxx/CVE-2022-48850.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-48850",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 500307,
  "published_at": "2024-07-16T12:25:17.824+00:00"
}