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CVE-2022-50376 (GCVE-0-2022-50376)

Vulnerability from cvelistv5 – Published: 2025-09-18 13:32 – Updated: 2026-08-15 12:23
VLAI
Title
orangefs: Fix kmemleak in orangefs_{kernel,client}_debug_init()
Summary
In the Linux kernel, the following vulnerability has been resolved: orangefs: Fix kmemleak in orangefs_{kernel,client}_debug_init() When insert and remove the orangefs module, there are memory leaked as below: unreferenced object 0xffff88816b0cc000 (size 2048): comm "insmod", pid 783, jiffies 4294813439 (age 65.512s) hex dump (first 32 bytes): 6e 6f 6e 65 0a 00 00 00 00 00 00 00 00 00 00 00 none............ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000031ab7788>] kmalloc_trace+0x27/0xa0 [<000000005b405fee>] orangefs_debugfs_init.cold+0xaf/0x17f [<00000000e5a0085b>] 0xffffffffa02780f9 [<000000004232d9f7>] do_one_initcall+0x87/0x2a0 [<0000000054f22384>] do_init_module+0xdf/0x320 [<000000003263bdea>] load_module+0x2f98/0x3330 [<0000000052cd4153>] __do_sys_finit_module+0x113/0x1b0 [<00000000250ae02b>] do_syscall_64+0x35/0x80 [<00000000f11c03c7>] entry_SYSCALL_64_after_hwframe+0x46/0xb0 Use the golbal variable as the buffer rather than dynamic allocate to slove the problem.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-14 18:46 UTC
CWE
  • CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 274dcf55bd4ab12af1cc1d3b77416285bef8ebf4 , < bdc2d33fa2324b1f5ab5b701cda45ee0b2384409 (git)
Affected: 274dcf55bd4ab12af1cc1d3b77416285bef8ebf4 , < a076490b0211990ec6764328c22cb744dd782bd9 (git)
Affected: 274dcf55bd4ab12af1cc1d3b77416285bef8ebf4 , < c8853267289c55b1acbe4dc3641374887584834d (git)
Affected: 274dcf55bd4ab12af1cc1d3b77416285bef8ebf4 , < 786e5296f9e3b045d5ff9098514ce7b8ba1d890d (git)
Affected: 274dcf55bd4ab12af1cc1d3b77416285bef8ebf4 , < 0cd303aad220fafa595e0ed593e99aa51b90412b (git)
Affected: 274dcf55bd4ab12af1cc1d3b77416285bef8ebf4 , < 31720a2b109b3080eb77e97b8f6f50a27b4ae599 (git)
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Linux Linux Affected: 4.6
Unaffected: 0 , < 4.6 (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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    "redhat_vex": {
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      "cve": "CVE-2022-50376",
      "id": "CVE-2022-50376",
      "initial_release_date": "2022-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: orangefs: Fix kmemleak in orangefs_{kernel,client}_debug_init()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-50376.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-29T02:21:32Z",
      "cve": "CVE-2022-50376",
      "id": "CVE-2022-50376",
      "initial_release_date": "2025-09-18T23:43:36Z",
      "product_status:known_affected": "570",
      "product_status:known_not_affected": "208",
      "product_status:recommended": "206",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-50376",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-50376.json",
      "version": "41"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 5.5, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"NONE\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2022-50376\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-01-14T18:46:41.347731Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-401\", \"description\": \"CWE-401 Missing Release of Memory after Effective Lifetime\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-01-14T18:46:37.250Z\"}}], \"cna\": {\"title\": \"orangefs: Fix kmemleak in orangefs_{kernel,client}_debug_init()\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"274dcf55bd4ab12af1cc1d3b77416285bef8ebf4\", \"lessThan\": \"bdc2d33fa2324b1f5ab5b701cda45ee0b2384409\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"274dcf55bd4ab12af1cc1d3b77416285bef8ebf4\", \"lessThan\": \"a076490b0211990ec6764328c22cb744dd782bd9\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"274dcf55bd4ab12af1cc1d3b77416285bef8ebf4\", \"lessThan\": \"c8853267289c55b1acbe4dc3641374887584834d\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"274dcf55bd4ab12af1cc1d3b77416285bef8ebf4\", \"lessThan\": \"786e5296f9e3b045d5ff9098514ce7b8ba1d890d\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"274dcf55bd4ab12af1cc1d3b77416285bef8ebf4\", \"lessThan\": \"0cd303aad220fafa595e0ed593e99aa51b90412b\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"274dcf55bd4ab12af1cc1d3b77416285bef8ebf4\", \"lessThan\": \"31720a2b109b3080eb77e97b8f6f50a27b4ae599\", \"versionType\": \"git\"}], \"programFiles\": [\"fs/orangefs/orangefs-debugfs.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.6\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"4.6\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.4.229\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.163\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.86\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.0.16\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.0.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.2\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.2\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"fs/orangefs/orangefs-debugfs.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/bdc2d33fa2324b1f5ab5b701cda45ee0b2384409\"}, {\"url\": \"https://git.kernel.org/stable/c/a076490b0211990ec6764328c22cb744dd782bd9\"}, {\"url\": \"https://git.kernel.org/stable/c/c8853267289c55b1acbe4dc3641374887584834d\"}, {\"url\": \"https://git.kernel.org/stable/c/786e5296f9e3b045d5ff9098514ce7b8ba1d890d\"}, {\"url\": \"https://git.kernel.org/stable/c/0cd303aad220fafa595e0ed593e99aa51b90412b\"}, {\"url\": \"https://git.kernel.org/stable/c/31720a2b109b3080eb77e97b8f6f50a27b4ae599\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\norangefs: Fix kmemleak in orangefs_{kernel,client}_debug_init()\\n\\nWhen insert and remove the orangefs module, there are memory leaked\\nas below:\\n\\nunreferenced object 0xffff88816b0cc000 (size 2048):\\n  comm \\\"insmod\\\", pid 783, jiffies 4294813439 (age 65.512s)\\n  hex dump (first 32 bytes):\\n    6e 6f 6e 65 0a 00 00 00 00 00 00 00 00 00 00 00  none............\\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\\n  backtrace:\\n    [\u003c0000000031ab7788\u003e] kmalloc_trace+0x27/0xa0\\n    [\u003c000000005b405fee\u003e] orangefs_debugfs_init.cold+0xaf/0x17f\\n    [\u003c00000000e5a0085b\u003e] 0xffffffffa02780f9\\n    [\u003c000000004232d9f7\u003e] do_one_initcall+0x87/0x2a0\\n    [\u003c0000000054f22384\u003e] do_init_module+0xdf/0x320\\n    [\u003c000000003263bdea\u003e] load_module+0x2f98/0x3330\\n    [\u003c0000000052cd4153\u003e] __do_sys_finit_module+0x113/0x1b0\\n    [\u003c00000000250ae02b\u003e] do_syscall_64+0x35/0x80\\n    [\u003c00000000f11c03c7\u003e] entry_SYSCALL_64_after_hwframe+0x46/0xb0\\n\\nUse the golbal variable as the buffer rather than dynamic allocate to\\nslove the problem.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.229\", \"versionStartIncluding\": \"4.6\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.163\", \"versionStartIncluding\": \"4.6\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.86\", \"versionStartIncluding\": \"4.6\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.0.16\", \"versionStartIncluding\": \"4.6\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.2\", \"versionStartIncluding\": \"4.6\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.2\", \"versionStartIncluding\": \"4.6\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-08-15T12:23:22.283Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-50376\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-08-15T12:23:22.283Z\", \"dateReserved\": \"2025-09-17T14:53:06.996Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-09-18T13:32:59.110Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • 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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.