CVE-2022-50566 (GCVE-0-2022-50566)
Vulnerability from cvelistv5
Published
2025-10-22 13:23
Modified
2025-10-22 13:23
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: mtd: Fix device name leak when register device failed in add_mtd_device() There is a kmemleak when register device failed: unreferenced object 0xffff888101aab550 (size 8): comm "insmod", pid 3922, jiffies 4295277753 (age 925.408s) hex dump (first 8 bytes): 6d 74 64 30 00 88 ff ff mtd0.... backtrace: [<00000000bde26724>] __kmalloc_node_track_caller+0x4e/0x150 [<000000003c32b416>] kvasprintf+0xb0/0x130 [<000000001f7a8f15>] kobject_set_name_vargs+0x2f/0xb0 [<000000006e781163>] dev_set_name+0xab/0xe0 [<00000000e30d0c78>] add_mtd_device+0x4bb/0x700 [<00000000f3d34de7>] mtd_device_parse_register+0x2ac/0x3f0 [<00000000c0d88488>] 0xffffffffa0238457 [<00000000b40d0922>] 0xffffffffa02a008f [<0000000023d17b9d>] do_one_initcall+0x87/0x2a0 [<00000000770f6ca6>] do_init_module+0xdf/0x320 [<000000007b6768fe>] load_module+0x2f98/0x3330 [<00000000346bed5a>] __do_sys_finit_module+0x113/0x1b0 [<00000000674c2290>] do_syscall_64+0x35/0x80 [<000000004c6a8d97>] entry_SYSCALL_64_after_hwframe+0x46/0xb0 If register device failed, should call put_device() to give up the reference.
References
Impacted products
Vendor Product Version
Linux Linux Version: 1f24b5a8ecbb2a3c7080f418974d40e3ffedb221
Version: 1f24b5a8ecbb2a3c7080f418974d40e3ffedb221
Version: 1f24b5a8ecbb2a3c7080f418974d40e3ffedb221
Version: 1f24b5a8ecbb2a3c7080f418974d40e3ffedb221
Version: 1f24b5a8ecbb2a3c7080f418974d40e3ffedb221
Version: 1f24b5a8ecbb2a3c7080f418974d40e3ffedb221
Version: 1f24b5a8ecbb2a3c7080f418974d40e3ffedb221
Version: 1f24b5a8ecbb2a3c7080f418974d40e3ffedb221
Version: 1f24b5a8ecbb2a3c7080f418974d40e3ffedb221
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/mtd/mtdcore.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "status": "affected",
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              "versionType": "git"
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            {
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              "versionType": "git"
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              "status": "affected",
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              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/mtd/mtdcore.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "2.6.30"
            },
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              "lessThan": "2.6.30",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
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              "status": "unaffected",
              "version": "4.9.337",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.14.*",
              "status": "unaffected",
              "version": "4.14.303",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.19.*",
              "status": "unaffected",
              "version": "4.19.270",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.229",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.163",
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            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.86",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.0.*",
              "status": "unaffected",
              "version": "6.0.16",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.2",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "4.9.337",
                  "versionStartIncluding": "2.6.30",
                  "vulnerable": true
                },
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "4.14.303",
                  "versionStartIncluding": "2.6.30",
                  "vulnerable": true
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                  "versionEndExcluding": "5.4.229",
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "versionEndExcluding": "6.0.16",
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                  "vulnerable": true
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                {
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                  "versionEndExcluding": "6.1.2",
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              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: Fix device name leak when register device failed in add_mtd_device()\n\nThere is a kmemleak when register device failed:\n  unreferenced object 0xffff888101aab550 (size 8):\n    comm \"insmod\", pid 3922, jiffies 4295277753 (age 925.408s)\n    hex dump (first 8 bytes):\n      6d 74 64 30 00 88 ff ff                          mtd0....\n    backtrace:\n      [\u003c00000000bde26724\u003e] __kmalloc_node_track_caller+0x4e/0x150\n      [\u003c000000003c32b416\u003e] kvasprintf+0xb0/0x130\n      [\u003c000000001f7a8f15\u003e] kobject_set_name_vargs+0x2f/0xb0\n      [\u003c000000006e781163\u003e] dev_set_name+0xab/0xe0\n      [\u003c00000000e30d0c78\u003e] add_mtd_device+0x4bb/0x700\n      [\u003c00000000f3d34de7\u003e] mtd_device_parse_register+0x2ac/0x3f0\n      [\u003c00000000c0d88488\u003e] 0xffffffffa0238457\n      [\u003c00000000b40d0922\u003e] 0xffffffffa02a008f\n      [\u003c0000000023d17b9d\u003e] do_one_initcall+0x87/0x2a0\n      [\u003c00000000770f6ca6\u003e] do_init_module+0xdf/0x320\n      [\u003c000000007b6768fe\u003e] load_module+0x2f98/0x3330\n      [\u003c00000000346bed5a\u003e] __do_sys_finit_module+0x113/0x1b0\n      [\u003c00000000674c2290\u003e] do_syscall_64+0x35/0x80\n      [\u003c000000004c6a8d97\u003e] entry_SYSCALL_64_after_hwframe+0x46/0xb0\n\nIf register device failed, should call put_device() to give up the\nreference."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-10-22T13:23:23.917Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/a75f45afa932bfb24a2603ebcea5efd2e7cdcfd6"
        },
        {
          "url": "https://git.kernel.org/stable/c/2302e2dc42b1f84f951c725ce742fc21c5a1e151"
        },
        {
          "url": "https://git.kernel.org/stable/c/db07fe76df01f40cb897d6e9066b84e46957beb3"
        },
        {
          "url": "https://git.kernel.org/stable/c/fa0d32ab8407d7481450c664fd0de64f2dae9489"
        },
        {
          "url": "https://git.kernel.org/stable/c/330bc5533e8a8ed69cb951d5a8edce9bddb9db21"
        },
        {
          "url": "https://git.kernel.org/stable/c/71212d73184845c944ef1b43f092e643e5bde003"
        },
        {
          "url": "https://git.kernel.org/stable/c/1b172fb05d6315ecec082fd7544a3390e96f0d7e"
        },
        {
          "url": "https://git.kernel.org/stable/c/bcabe1dc2a344adbb3382930a23e273ba9382277"
        },
        {
          "url": "https://git.kernel.org/stable/c/895d68a39481a75c680aa421546931fb11942fa6"
        }
      ],
      "title": "mtd: Fix device name leak when register device failed in add_mtd_device()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-50566",
    "datePublished": "2025-10-22T13:23:23.917Z",
    "dateReserved": "2025-10-22T13:20:23.760Z",
    "dateUpdated": "2025-10-22T13:23:23.917Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-50566\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-10-22T14:15:41.420\",\"lastModified\":\"2025-10-22T21:12:48.953\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nmtd: Fix device name leak when register device failed in add_mtd_device()\\n\\nThere is a kmemleak when register device failed:\\n  unreferenced object 0xffff888101aab550 (size 8):\\n    comm \\\"insmod\\\", pid 3922, jiffies 4295277753 (age 925.408s)\\n    hex dump (first 8 bytes):\\n      6d 74 64 30 00 88 ff ff                          mtd0....\\n    backtrace:\\n      [\u003c00000000bde26724\u003e] __kmalloc_node_track_caller+0x4e/0x150\\n      [\u003c000000003c32b416\u003e] kvasprintf+0xb0/0x130\\n      [\u003c000000001f7a8f15\u003e] kobject_set_name_vargs+0x2f/0xb0\\n      [\u003c000000006e781163\u003e] dev_set_name+0xab/0xe0\\n      [\u003c00000000e30d0c78\u003e] add_mtd_device+0x4bb/0x700\\n      [\u003c00000000f3d34de7\u003e] mtd_device_parse_register+0x2ac/0x3f0\\n      [\u003c00000000c0d88488\u003e] 0xffffffffa0238457\\n      [\u003c00000000b40d0922\u003e] 0xffffffffa02a008f\\n      [\u003c0000000023d17b9d\u003e] do_one_initcall+0x87/0x2a0\\n      [\u003c00000000770f6ca6\u003e] do_init_module+0xdf/0x320\\n      [\u003c000000007b6768fe\u003e] load_module+0x2f98/0x3330\\n      [\u003c00000000346bed5a\u003e] __do_sys_finit_module+0x113/0x1b0\\n      [\u003c00000000674c2290\u003e] do_syscall_64+0x35/0x80\\n      [\u003c000000004c6a8d97\u003e] entry_SYSCALL_64_after_hwframe+0x46/0xb0\\n\\nIf register device failed, should call put_device() to give up the\\nreference.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/1b172fb05d6315ecec082fd7544a3390e96f0d7e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/2302e2dc42b1f84f951c725ce742fc21c5a1e151\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/330bc5533e8a8ed69cb951d5a8edce9bddb9db21\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/71212d73184845c944ef1b43f092e643e5bde003\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/895d68a39481a75c680aa421546931fb11942fa6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/a75f45afa932bfb24a2603ebcea5efd2e7cdcfd6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/bcabe1dc2a344adbb3382930a23e273ba9382277\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/db07fe76df01f40cb897d6e9066b84e46957beb3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/fa0d32ab8407d7481450c664fd0de64f2dae9489\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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