CVE-2022-50779 (GCVE-0-2022-50779)

Vulnerability from cvelistv5 – Published: 2025-12-24 13:06 – Updated: 2025-12-24 13:06
VLAI?
Title
orangefs: Fix kmemleak in orangefs_prepare_debugfs_help_string()
Summary
In the Linux kernel, the following vulnerability has been resolved: orangefs: Fix kmemleak in orangefs_prepare_debugfs_help_string() When insert and remove the orangefs module, then debug_help_string will be leaked: unreferenced object 0xffff8881652ba000 (size 4096): comm "insmod", pid 1701, jiffies 4294893639 (age 13218.530s) hex dump (first 32 bytes): 43 6c 69 65 6e 74 20 44 65 62 75 67 20 4b 65 79 Client Debug Key 77 6f 72 64 73 20 61 72 65 20 75 6e 6b 6e 6f 77 words are unknow backtrace: [<0000000004e6f8e3>] kmalloc_trace+0x27/0xa0 [<0000000006f75d85>] orangefs_prepare_debugfs_help_string+0x5e/0x480 [orangefs] [<0000000091270a2a>] _sub_I_65535_1+0x57/0xf70 [crc_itu_t] [<000000004b1ee1a3>] do_one_initcall+0x87/0x2a0 [<000000001d0614ae>] do_init_module+0xdf/0x320 [<00000000efef068c>] load_module+0x2f98/0x3330 [<000000006533b44d>] __do_sys_finit_module+0x113/0x1b0 [<00000000a0da6f99>] do_syscall_64+0x35/0x80 [<000000007790b19b>] entry_SYSCALL_64_after_hwframe+0x46/0xb0 When remove the module, should always free debug_help_string. Should always free the allocated buffer when change the free_debug_help_string.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 44d3eac26a5e5268d11cc342dc202b0d31505c0a (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < f2b8a6aac561a49fe02c99683c40a8b87a9f68fc (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < ba9d3b9cec20957fd86bb1bf525b4ea8b64b2dea (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 2e7c09121064df93c58bbc49d3d0f608d3f584bd (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < b8affa0c6405ee968dcb6030bee2cf719a464752 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 39529b79b023713d4f2d3479dc0ca43ba99df726 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 3fc221d9a16339a913a0341d3efc7fef339073e1 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 19be31668552a198e887762e25bdcc560800ecb4 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < d23417a5bf3a3afc55de5442eb46e1e60458b0a1 (git)
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    Linux Linux Unaffected: 4.9.337 , ≤ 4.9.* (semver)
Unaffected: 4.14.303 , ≤ 4.14.* (semver)
Unaffected: 4.19.270 , ≤ 4.19.* (semver)
Unaffected: 5.4.229 , ≤ 5.4.* (semver)
Unaffected: 5.10.163 , ≤ 5.10.* (semver)
Unaffected: 5.15.86 , ≤ 5.15.* (semver)
Unaffected: 6.0.16 , ≤ 6.0.* (semver)
Unaffected: 6.1.2 , ≤ 6.1.* (semver)
Unaffected: 6.2 , ≤ * (original_commit_for_fix)
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{
  "containers": {
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        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/orangefs/orangefs-debugfs.c"
          ],
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          "vendor": "Linux",
          "versions": [
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              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
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              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
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              "versionType": "git"
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            {
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              "status": "affected",
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              "versionType": "git"
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              "versionType": "git"
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              "status": "affected",
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              "versionType": "git"
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          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/orangefs/orangefs-debugfs.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThanOrEqual": "4.9.*",
              "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",
              "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.*",
              "status": "unaffected",
              "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:*:*:*:*:*:*:*:*",
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                  "vulnerable": true
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                  "versionEndExcluding": "5.4.229",
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                  "versionEndExcluding": "5.10.163",
                  "vulnerable": true
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                {
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                  "versionEndExcluding": "5.15.86",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.0.16",
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                {
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                  "versionEndExcluding": "6.1.2",
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                {
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                  "versionEndExcluding": "6.2",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\norangefs: Fix kmemleak in orangefs_prepare_debugfs_help_string()\n\nWhen insert and remove the orangefs module, then debug_help_string will\nbe leaked:\n\n  unreferenced object 0xffff8881652ba000 (size 4096):\n    comm \"insmod\", pid 1701, jiffies 4294893639 (age 13218.530s)\n    hex dump (first 32 bytes):\n      43 6c 69 65 6e 74 20 44 65 62 75 67 20 4b 65 79  Client Debug Key\n      77 6f 72 64 73 20 61 72 65 20 75 6e 6b 6e 6f 77  words are unknow\n    backtrace:\n      [\u003c0000000004e6f8e3\u003e] kmalloc_trace+0x27/0xa0\n      [\u003c0000000006f75d85\u003e] orangefs_prepare_debugfs_help_string+0x5e/0x480 [orangefs]\n      [\u003c0000000091270a2a\u003e] _sub_I_65535_1+0x57/0xf70 [crc_itu_t]\n      [\u003c000000004b1ee1a3\u003e] do_one_initcall+0x87/0x2a0\n      [\u003c000000001d0614ae\u003e] do_init_module+0xdf/0x320\n      [\u003c00000000efef068c\u003e] load_module+0x2f98/0x3330\n      [\u003c000000006533b44d\u003e] __do_sys_finit_module+0x113/0x1b0\n      [\u003c00000000a0da6f99\u003e] do_syscall_64+0x35/0x80\n      [\u003c000000007790b19b\u003e] entry_SYSCALL_64_after_hwframe+0x46/0xb0\n\nWhen remove the module, should always free debug_help_string. Should\nalways free the allocated buffer when change the free_debug_help_string."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-24T13:06:07.873Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/44d3eac26a5e5268d11cc342dc202b0d31505c0a"
        },
        {
          "url": "https://git.kernel.org/stable/c/f2b8a6aac561a49fe02c99683c40a8b87a9f68fc"
        },
        {
          "url": "https://git.kernel.org/stable/c/ba9d3b9cec20957fd86bb1bf525b4ea8b64b2dea"
        },
        {
          "url": "https://git.kernel.org/stable/c/2e7c09121064df93c58bbc49d3d0f608d3f584bd"
        },
        {
          "url": "https://git.kernel.org/stable/c/b8affa0c6405ee968dcb6030bee2cf719a464752"
        },
        {
          "url": "https://git.kernel.org/stable/c/39529b79b023713d4f2d3479dc0ca43ba99df726"
        },
        {
          "url": "https://git.kernel.org/stable/c/3fc221d9a16339a913a0341d3efc7fef339073e1"
        },
        {
          "url": "https://git.kernel.org/stable/c/19be31668552a198e887762e25bdcc560800ecb4"
        },
        {
          "url": "https://git.kernel.org/stable/c/d23417a5bf3a3afc55de5442eb46e1e60458b0a1"
        }
      ],
      "title": "orangefs: Fix kmemleak in orangefs_prepare_debugfs_help_string()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-50779",
    "datePublished": "2025-12-24T13:06:07.873Z",
    "dateReserved": "2025-12-24T13:02:21.547Z",
    "dateUpdated": "2025-12-24T13:06:07.873Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-50779\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-12-24T13:16:04.740\",\"lastModified\":\"2025-12-24T13:16:04.740\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\norangefs: Fix kmemleak in orangefs_prepare_debugfs_help_string()\\n\\nWhen insert and remove the orangefs module, then debug_help_string will\\nbe leaked:\\n\\n  unreferenced object 0xffff8881652ba000 (size 4096):\\n    comm \\\"insmod\\\", pid 1701, jiffies 4294893639 (age 13218.530s)\\n    hex dump (first 32 bytes):\\n      43 6c 69 65 6e 74 20 44 65 62 75 67 20 4b 65 79  Client Debug Key\\n      77 6f 72 64 73 20 61 72 65 20 75 6e 6b 6e 6f 77  words are unknow\\n    backtrace:\\n      [\u003c0000000004e6f8e3\u003e] kmalloc_trace+0x27/0xa0\\n      [\u003c0000000006f75d85\u003e] orangefs_prepare_debugfs_help_string+0x5e/0x480 [orangefs]\\n      [\u003c0000000091270a2a\u003e] _sub_I_65535_1+0x57/0xf70 [crc_itu_t]\\n      [\u003c000000004b1ee1a3\u003e] do_one_initcall+0x87/0x2a0\\n      [\u003c000000001d0614ae\u003e] do_init_module+0xdf/0x320\\n      [\u003c00000000efef068c\u003e] load_module+0x2f98/0x3330\\n      [\u003c000000006533b44d\u003e] __do_sys_finit_module+0x113/0x1b0\\n      [\u003c00000000a0da6f99\u003e] do_syscall_64+0x35/0x80\\n      [\u003c000000007790b19b\u003e] entry_SYSCALL_64_after_hwframe+0x46/0xb0\\n\\nWhen remove the module, should always free debug_help_string. Should\\nalways free the allocated buffer when change the free_debug_help_string.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/19be31668552a198e887762e25bdcc560800ecb4\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/2e7c09121064df93c58bbc49d3d0f608d3f584bd\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/39529b79b023713d4f2d3479dc0ca43ba99df726\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/3fc221d9a16339a913a0341d3efc7fef339073e1\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/44d3eac26a5e5268d11cc342dc202b0d31505c0a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b8affa0c6405ee968dcb6030bee2cf719a464752\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ba9d3b9cec20957fd86bb1bf525b4ea8b64b2dea\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d23417a5bf3a3afc55de5442eb46e1e60458b0a1\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f2b8a6aac561a49fe02c99683c40a8b87a9f68fc\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.