CVE-2022-50529 (GCVE-0-2022-50529)
Vulnerability from cvelistv5
Published
2025-10-07 15:19
Modified
2025-10-07 15:19
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: test_firmware: fix memory leak in test_firmware_init() When misc_register() failed in test_firmware_init(), the memory pointed by test_fw_config->name is not released. The memory leak information is as follows: unreferenced object 0xffff88810a34cb00 (size 32): comm "insmod", pid 7952, jiffies 4294948236 (age 49.060s) hex dump (first 32 bytes): 74 65 73 74 2d 66 69 72 6d 77 61 72 65 2e 62 69 test-firmware.bi 6e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 n............... backtrace: [<ffffffff81b21fcb>] __kmalloc_node_track_caller+0x4b/0xc0 [<ffffffff81affb96>] kstrndup+0x46/0xc0 [<ffffffffa0403a49>] __test_firmware_config_init+0x29/0x380 [test_firmware] [<ffffffffa040f068>] 0xffffffffa040f068 [<ffffffff81002c41>] do_one_initcall+0x141/0x780 [<ffffffff816a72c3>] do_init_module+0x1c3/0x630 [<ffffffff816adb9e>] load_module+0x623e/0x76a0 [<ffffffff816af471>] __do_sys_finit_module+0x181/0x240 [<ffffffff89978f99>] do_syscall_64+0x39/0xb0 [<ffffffff89a0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd
References
Impacted products
Vendor Product Version
Linux Linux Version: c92316bf8e94830a0225f2e904cbdbd173768419
Version: c92316bf8e94830a0225f2e904cbdbd173768419
Version: c92316bf8e94830a0225f2e904cbdbd173768419
Version: c92316bf8e94830a0225f2e904cbdbd173768419
Version: c92316bf8e94830a0225f2e904cbdbd173768419
Version: c92316bf8e94830a0225f2e904cbdbd173768419
Version: c92316bf8e94830a0225f2e904cbdbd173768419
Version: c92316bf8e94830a0225f2e904cbdbd173768419
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "lib/test_firmware.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "versionType": "git"
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          "product": "Linux",
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          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.14"
            },
            {
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              "status": "unaffected",
              "version": "0",
              "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",
              "versionType": "semver"
            },
            {
              "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.*",
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              "version": "6.1.2",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
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              "cpeMatch": [
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "4.14.303",
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                  "versionEndExcluding": "4.19.270",
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                  "vulnerable": true
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                  "versionEndExcluding": "6.2",
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              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntest_firmware: fix memory leak in test_firmware_init()\n\nWhen misc_register() failed in test_firmware_init(), the memory pointed\nby test_fw_config-\u003ename is not released. The memory leak information is\nas follows:\nunreferenced object 0xffff88810a34cb00 (size 32):\n  comm \"insmod\", pid 7952, jiffies 4294948236 (age 49.060s)\n  hex dump (first 32 bytes):\n    74 65 73 74 2d 66 69 72 6d 77 61 72 65 2e 62 69  test-firmware.bi\n    6e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  n...............\n  backtrace:\n    [\u003cffffffff81b21fcb\u003e] __kmalloc_node_track_caller+0x4b/0xc0\n    [\u003cffffffff81affb96\u003e] kstrndup+0x46/0xc0\n    [\u003cffffffffa0403a49\u003e] __test_firmware_config_init+0x29/0x380 [test_firmware]\n    [\u003cffffffffa040f068\u003e] 0xffffffffa040f068\n    [\u003cffffffff81002c41\u003e] do_one_initcall+0x141/0x780\n    [\u003cffffffff816a72c3\u003e] do_init_module+0x1c3/0x630\n    [\u003cffffffff816adb9e\u003e] load_module+0x623e/0x76a0\n    [\u003cffffffff816af471\u003e] __do_sys_finit_module+0x181/0x240\n    [\u003cffffffff89978f99\u003e] do_syscall_64+0x39/0xb0\n    [\u003cffffffff89a0008b\u003e] entry_SYSCALL_64_after_hwframe+0x63/0xcd"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-10-07T15:19:20.581Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/ed5cbafaf7ce8b86f19998c00eb020c8d49b017f"
        },
        {
          "url": "https://git.kernel.org/stable/c/04dd47a2e169f2d4489636afa07ff0469aab49ab"
        },
        {
          "url": "https://git.kernel.org/stable/c/628de998a3abfffb3f9677d2fb39a1d5dcb32fdb"
        },
        {
          "url": "https://git.kernel.org/stable/c/0b5a89e8bce1ea43687742b4de8e216189ff94ac"
        },
        {
          "url": "https://git.kernel.org/stable/c/357379d504c0c8b0834e206ad8c49e4b3c98ed4d"
        },
        {
          "url": "https://git.kernel.org/stable/c/8d8c1d6a430f0aadb80036e2b1bc0a05f9fad247"
        },
        {
          "url": "https://git.kernel.org/stable/c/6dd5fbd243f19f087dc79481acb7d69fb57fea2c"
        },
        {
          "url": "https://git.kernel.org/stable/c/7610615e8cdb3f6f5bbd9d8e7a5d8a63e3cabf2e"
        }
      ],
      "title": "test_firmware: fix memory leak in test_firmware_init()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-50529",
    "datePublished": "2025-10-07T15:19:20.581Z",
    "dateReserved": "2025-10-07T15:15:38.664Z",
    "dateUpdated": "2025-10-07T15:19:20.581Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-50529\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-10-07T16:15:36.883\",\"lastModified\":\"2025-10-08T19:38:32.610\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ntest_firmware: fix memory leak in test_firmware_init()\\n\\nWhen misc_register() failed in test_firmware_init(), the memory pointed\\nby test_fw_config-\u003ename is not released. The memory leak information is\\nas follows:\\nunreferenced object 0xffff88810a34cb00 (size 32):\\n  comm \\\"insmod\\\", pid 7952, jiffies 4294948236 (age 49.060s)\\n  hex dump (first 32 bytes):\\n    74 65 73 74 2d 66 69 72 6d 77 61 72 65 2e 62 69  test-firmware.bi\\n    6e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  n...............\\n  backtrace:\\n    [\u003cffffffff81b21fcb\u003e] __kmalloc_node_track_caller+0x4b/0xc0\\n    [\u003cffffffff81affb96\u003e] kstrndup+0x46/0xc0\\n    [\u003cffffffffa0403a49\u003e] __test_firmware_config_init+0x29/0x380 [test_firmware]\\n    [\u003cffffffffa040f068\u003e] 0xffffffffa040f068\\n    [\u003cffffffff81002c41\u003e] do_one_initcall+0x141/0x780\\n    [\u003cffffffff816a72c3\u003e] do_init_module+0x1c3/0x630\\n    [\u003cffffffff816adb9e\u003e] load_module+0x623e/0x76a0\\n    [\u003cffffffff816af471\u003e] __do_sys_finit_module+0x181/0x240\\n    [\u003cffffffff89978f99\u003e] do_syscall_64+0x39/0xb0\\n    [\u003cffffffff89a0008b\u003e] entry_SYSCALL_64_after_hwframe+0x63/0xcd\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/04dd47a2e169f2d4489636afa07ff0469aab49ab\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/0b5a89e8bce1ea43687742b4de8e216189ff94ac\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/357379d504c0c8b0834e206ad8c49e4b3c98ed4d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/628de998a3abfffb3f9677d2fb39a1d5dcb32fdb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/6dd5fbd243f19f087dc79481acb7d69fb57fea2c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/7610615e8cdb3f6f5bbd9d8e7a5d8a63e3cabf2e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/8d8c1d6a430f0aadb80036e2b1bc0a05f9fad247\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ed5cbafaf7ce8b86f19998c00eb020c8d49b017f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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