net: bgmac: Fix a BUG triggered by wrong bytes_compl

{
  "id": "fe76d25b08dc99b4701d6611ac0d4a6a343def30282aae9d8faaaf179a5510b8",
  "url": "https://osv.dev/vulnerability/CVE-2022-50062",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "net: bgmac: Fix a BUG triggered by wrong bytes_compl",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: net: bgmac: Fix a BUG triggered by wrong bytes_compl On one of our machines we got: kernel BUG at lib/dynamic_queue_limits.c:27! Internal error: Oops - BUG: 0 [#1] PREEMPT SMP ARM CPU: 0 PID: 1166 Comm: irq/41-bgmac Tainted: G W O 4.14.275-rt132 #1 Hardware name: BRCM XGS iProc task: ee3415c0 task.stack: ee32a000 PC is at dql_completed+0x168/0x178 LR is at bgmac_poll+0x18c/0x6d8 pc : [] lr : [] psr: 800a0313 sp : ee32be14 ip : 000005ea fp : 00000bd4 r10: ee558500 r9 : c0116298 r8 : 00000002 r7 : 00000000 r6 : ef128810 r5 : 01993267 r4 : 01993851 r3 : ee558000 r2 : 000070e1 r1 : 00000bd4 r0 : ee52c180 Flags: Nzcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none Control: 12c5387d Table: 8e88c04a DAC: 00000051 Process irq/41-bgmac (pid: 1166, stack limit = 0xee32a210) Stack: (0xee32be14 to 0xee32c000) be00: ee558520 ee52c100 ef128810 be20: 00000000 00000002 c0116298 c04b5a18 00000000 c0a0c8c4 c0951780 00000040 be40: c0701780 ee558500 ee55d520 ef05b340 ef6f9780 ee558520 00000001 00000040 be60: ffffe000 c0a56878 ef6fa040 c0952040 0000012c c0528744 ef6f97b0 fffcfb6a be80: c0a04104 2eda8000 c0a0c4ec c0a0d368 ee32bf44 c0153534 ee32be98 ee32be98 bea0: ee32bea0 ee32bea0 ee32bea8 ee32bea8 00000000 c01462e4 ffffe000 ef6f22a8 bec0: ffffe000 00000008 ee32bee4 c0147430 ffffe000 c094a2a8 00000003 ffffe000 bee0: c0a54528 00208040 0000000c c0a0c8c4 c0a65980 c0124d3c 00000008 ee558520 bf00: c094a23c c0a02080 00000000 c07a9910 e",
    "evidence": "osv:CVE-2022-50062",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.4.211",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.10.138",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.63",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.19.4",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2022-50062",
      "aliases": [
        "CVE-2022-50062"
      ],
      "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": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "b38c83dd08665a93e439c4ffd9eef31bc098a6ea"
                },
                {
                  "fixed": "ac6d4482f29ab992b605c1b4bd1347f1f679f4e4"
                },
                {
                  "fixed": "ab2b55bb25db289ba0b68e3d58494476bdb1041d"
                },
                {
                  "fixed": "c506c9a97120f43257e9b3ce7b1f9a24eafc3787"
                },
                {
                  "fixed": "da1421a29d3b8681ba6a7f686bd0b40dda5acaf3"
                },
                {
                  "fixed": "1b7680c6c1f6de9904f1d9b05c952f0c64a03350"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50062.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "4.1.0"
                },
                {
                  "fixed": "5.4.211"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.5.0"
                },
                {
                  "fixed": "5.10.138"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.11.0"
                },
                {
                  "fixed": "5.15.63"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.16.0"
                },
                {
                  "fixed": "5.19.4"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50062.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:33.407228556Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/1b7680c6c1f6de9904f1d9b05c952f0c64a03350",
        "https://git.kernel.org/stable/c/ab2b55bb25db289ba0b68e3d58494476bdb1041d",
        "https://git.kernel.org/stable/c/ac6d4482f29ab992b605c1b4bd1347f1f679f4e4",
        "https://git.kernel.org/stable/c/c506c9a97120f43257e9b3ce7b1f9a24eafc3787",
        "https://git.kernel.org/stable/c/da1421a29d3b8681ba6a7f686bd0b40dda5acaf3",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50062.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-50062",
        "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/2022/50xxx/CVE-2022-50062.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-50062",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 500294,
  "published_at": "2025-06-18T11:02:09.871+00:00"
}