FKIE_CVE-2022-50500

Vulnerability from fkie_nvd - Published: 2025-10-04 16:15 - Updated: 2026-01-22 19:53
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: netdevsim: fix memory leak in nsim_drv_probe() when nsim_dev_resources_register() failed If some items in nsim_dev_resources_register() fail, memory leak will occur. The following is the memory leak information. unreferenced object 0xffff888074c02600 (size 128): comm "echo", pid 8159, jiffies 4294945184 (age 493.530s) hex dump (first 32 bytes): 40 47 ea 89 ff ff ff ff 01 00 00 00 00 00 00 00 @G.............. ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ backtrace: [<0000000011a31c98>] kmalloc_trace+0x22/0x60 [<0000000027384c69>] devl_resource_register+0x144/0x4e0 [<00000000a16db248>] nsim_drv_probe+0x37a/0x1260 [<000000007d1f448c>] really_probe+0x20b/0xb10 [<00000000c416848a>] __driver_probe_device+0x1b3/0x4a0 [<00000000077e0351>] driver_probe_device+0x49/0x140 [<0000000054f2465a>] __device_attach_driver+0x18c/0x2a0 [<000000008538f359>] bus_for_each_drv+0x151/0x1d0 [<0000000038e09747>] __device_attach+0x1c9/0x4e0 [<00000000dd86e533>] bus_probe_device+0x1d5/0x280 [<00000000839bea35>] device_add+0xae0/0x1cb0 [<000000009c2abf46>] new_device_store+0x3b6/0x5f0 [<00000000fb823d7f>] bus_attr_store+0x72/0xa0 [<000000007acc4295>] sysfs_kf_write+0x106/0x160 [<000000005f50cb4d>] kernfs_fop_write_iter+0x3a8/0x5a0 [<0000000075eb41bf>] vfs_write+0x8f0/0xc80
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6b1da9f7126f05e857da6db24c6a04aa7974d644Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7c4957fe40e2a628b7cceaf4c9bfb5b701774d05Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel 6.1
linux linux_kernel 6.1
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "F34DC795-2F6B-4DC1-AFD7-A6C124134954",
              "versionEndExcluding": "6.0.7",
              "versionStartIncluding": "4.17",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:*",
              "matchCriteriaId": "E7E331DA-1FB0-4DEC-91AC-7DA69D461C11",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:*",
              "matchCriteriaId": "17F0B248-42CF-4AE6-A469-BB1BAE7F4705",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetdevsim: fix memory leak in nsim_drv_probe() when nsim_dev_resources_register() failed\n\nIf some items in nsim_dev_resources_register() fail, memory leak will\noccur. The following is the memory leak information.\n\nunreferenced object 0xffff888074c02600 (size 128):\n  comm \"echo\", pid 8159, jiffies 4294945184 (age 493.530s)\n  hex dump (first 32 bytes):\n    40 47 ea 89 ff ff ff ff 01 00 00 00 00 00 00 00  @G..............\n    ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................\n  backtrace:\n    [\u003c0000000011a31c98\u003e] kmalloc_trace+0x22/0x60\n    [\u003c0000000027384c69\u003e] devl_resource_register+0x144/0x4e0\n    [\u003c00000000a16db248\u003e] nsim_drv_probe+0x37a/0x1260\n    [\u003c000000007d1f448c\u003e] really_probe+0x20b/0xb10\n    [\u003c00000000c416848a\u003e] __driver_probe_device+0x1b3/0x4a0\n    [\u003c00000000077e0351\u003e] driver_probe_device+0x49/0x140\n    [\u003c0000000054f2465a\u003e] __device_attach_driver+0x18c/0x2a0\n    [\u003c000000008538f359\u003e] bus_for_each_drv+0x151/0x1d0\n    [\u003c0000000038e09747\u003e] __device_attach+0x1c9/0x4e0\n    [\u003c00000000dd86e533\u003e] bus_probe_device+0x1d5/0x280\n    [\u003c00000000839bea35\u003e] device_add+0xae0/0x1cb0\n    [\u003c000000009c2abf46\u003e] new_device_store+0x3b6/0x5f0\n    [\u003c00000000fb823d7f\u003e] bus_attr_store+0x72/0xa0\n    [\u003c000000007acc4295\u003e] sysfs_kf_write+0x106/0x160\n    [\u003c000000005f50cb4d\u003e] kernfs_fop_write_iter+0x3a8/0x5a0\n    [\u003c0000000075eb41bf\u003e] vfs_write+0x8f0/0xc80"
    }
  ],
  "id": "CVE-2022-50500",
  "lastModified": "2026-01-22T19:53:01.873",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2025-10-04T16:15:47.153",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/6b1da9f7126f05e857da6db24c6a04aa7974d644"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/7c4957fe40e2a628b7cceaf4c9bfb5b701774d05"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-401"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Detection rules are retrieved from Rulezet.