CVE-2021-47193 (GCVE-0-2021-47193)

Vulnerability from cvelistv5 – Published: 2024-04-10 18:56 – Updated: 2026-05-11 13:49
VLAI
Title
scsi: pm80xx: Fix memory leak during rmmod
Summary
In the Linux kernel, the following vulnerability has been resolved: scsi: pm80xx: Fix memory leak during rmmod Driver failed to release all memory allocated. This would lead to memory leak during driver removal. Properly free memory when the module is removed.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 5a141315ed7c2647fa4518570c4941a02588b466 , < 0c4398f2ee030d5753f6b0ad83f0ed9077851d9a (git)
Affected: 5a141315ed7c2647fa4518570c4941a02588b466 , < 269a4311b15f68d24e816f43f123888f241ed13d (git)
Affected: 5a141315ed7c2647fa4518570c4941a02588b466 , < 51e6ed83bb4ade7c360551fa4ae55c4eacea354b (git)
Create a notification for this product.
Linux Linux Affected: 5.10
Unaffected: 0 , < 5.10 (semver)
Unaffected: 5.10.241 , ≤ 5.10.* (semver)
Unaffected: 5.15.5 , ≤ 5.15.* (semver)
Unaffected: 5.16 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-47193",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-04-12T16:35:04.772224Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-06-04T17:14:16.616Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-03T17:30:54.948Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/269a4311b15f68d24e816f43f123888f241ed13d"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/51e6ed83bb4ade7c360551fa4ae55c4eacea354b"
          },
          {
            "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/scsi/pm8001/pm8001_init.c",
            "drivers/scsi/pm8001/pm8001_sas.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "0c4398f2ee030d5753f6b0ad83f0ed9077851d9a",
              "status": "affected",
              "version": "5a141315ed7c2647fa4518570c4941a02588b466",
              "versionType": "git"
            },
            {
              "lessThan": "269a4311b15f68d24e816f43f123888f241ed13d",
              "status": "affected",
              "version": "5a141315ed7c2647fa4518570c4941a02588b466",
              "versionType": "git"
            },
            {
              "lessThan": "51e6ed83bb4ade7c360551fa4ae55c4eacea354b",
              "status": "affected",
              "version": "5a141315ed7c2647fa4518570c4941a02588b466",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/scsi/pm8001/pm8001_init.c",
            "drivers/scsi/pm8001/pm8001_sas.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.10"
            },
            {
              "lessThan": "5.10",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.241",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.5",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "5.16",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.241",
                  "versionStartIncluding": "5.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.5",
                  "versionStartIncluding": "5.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.16",
                  "versionStartIncluding": "5.10",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: pm80xx: Fix memory leak during rmmod\n\nDriver failed to release all memory allocated. This would lead to memory\nleak during driver removal.\n\nProperly free memory when the module is removed."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T13:49:46.782Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/0c4398f2ee030d5753f6b0ad83f0ed9077851d9a"
        },
        {
          "url": "https://git.kernel.org/stable/c/269a4311b15f68d24e816f43f123888f241ed13d"
        },
        {
          "url": "https://git.kernel.org/stable/c/51e6ed83bb4ade7c360551fa4ae55c4eacea354b"
        }
      ],
      "title": "scsi: pm80xx: Fix memory leak during rmmod",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2021-47193",
    "datePublished": "2024-04-10T18:56:30.726Z",
    "dateReserved": "2024-03-25T09:12:14.113Z",
    "dateUpdated": "2026-05-11T13:49:46.782Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2021-47193",
      "date": "2026-06-19",
      "epss": "0.00225",
      "percentile": "0.12936"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"5.15.5\", \"matchCriteriaId\": \"B2845F69-264B-45BD-B7E7-D12B24338382\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nscsi: pm80xx: Fix memory leak during rmmod\\n\\nDriver failed to release all memory allocated. This would lead to memory\\nleak during driver removal.\\n\\nProperly free memory when the module is removed.\"}, {\"lang\": \"es\", \"value\": \"En el kernel de Linux, se resolvi\\u00f3 la siguiente vulnerabilidad: scsi: pm80xx: se corrigi\\u00f3 la p\\u00e9rdida de memoria durante rmmod, el controlador no pudo liberar toda la memoria asignada. Esto puede provocar una p\\u00e9rdida de memoria durante la eliminaci\\u00f3n del controlador. Se debe liberar correctamente la memoria cuando se retire el m\\u00f3dulo.\"}]",
      "id": "CVE-2021-47193",
      "lastModified": "2024-11-21T06:35:36.083",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\", \"baseScore\": 5.5, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 3.6}]}",
      "published": "2024-04-10T19:15:47.757",
      "references": "[{\"url\": \"https://git.kernel.org/stable/c/269a4311b15f68d24e816f43f123888f241ed13d\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/51e6ed83bb4ade7c360551fa4ae55c4eacea354b\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/269a4311b15f68d24e816f43f123888f241ed13d\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/51e6ed83bb4ade7c360551fa4ae55c4eacea354b\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\"]}]",
      "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-401\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-47193\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-04-10T19:15:47.757\",\"lastModified\":\"2025-11-03T18:15:38.377\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nscsi: pm80xx: Fix memory leak during rmmod\\n\\nDriver failed to release all memory allocated. This would lead to memory\\nleak during driver removal.\\n\\nProperly free memory when the module is removed.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: scsi: pm80xx: se corrigi\u00f3 la p\u00e9rdida de memoria durante rmmod, el controlador no pudo liberar toda la memoria asignada. Esto puede provocar una p\u00e9rdida de memoria durante la eliminaci\u00f3n del controlador. Se debe liberar correctamente la memoria cuando se retire el m\u00f3dulo.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-401\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"5.15.5\",\"matchCriteriaId\":\"B2845F69-264B-45BD-B7E7-D12B24338382\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0c4398f2ee030d5753f6b0ad83f0ed9077851d9a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/269a4311b15f68d24e816f43f123888f241ed13d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/51e6ed83bb4ade7c360551fa4ae55c4eacea354b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/269a4311b15f68d24e816f43f123888f241ed13d\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/51e6ed83bb4ade7c360551fa4ae55c4eacea354b\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://git.kernel.org/stable/c/269a4311b15f68d24e816f43f123888f241ed13d\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/51e6ed83bb4ade7c360551fa4ae55c4eacea354b\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2025-11-03T17:30:54.948Z\"}}, {\"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2021-47193\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-04-12T16:35:04.772224Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-05-23T19:01:23.548Z\"}, \"title\": \"CISA ADP Vulnrichment\"}], \"cna\": {\"title\": \"scsi: pm80xx: Fix memory leak during rmmod\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"5a141315ed7c2647fa4518570c4941a02588b466\", \"lessThan\": \"0c4398f2ee030d5753f6b0ad83f0ed9077851d9a\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"5a141315ed7c2647fa4518570c4941a02588b466\", \"lessThan\": \"269a4311b15f68d24e816f43f123888f241ed13d\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"5a141315ed7c2647fa4518570c4941a02588b466\", \"lessThan\": \"51e6ed83bb4ade7c360551fa4ae55c4eacea354b\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/scsi/pm8001/pm8001_init.c\", \"drivers/scsi/pm8001/pm8001_sas.h\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"5.10\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"5.10\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.10.241\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.5\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"5.16\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/scsi/pm8001/pm8001_init.c\", \"drivers/scsi/pm8001/pm8001_sas.h\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/0c4398f2ee030d5753f6b0ad83f0ed9077851d9a\"}, {\"url\": \"https://git.kernel.org/stable/c/269a4311b15f68d24e816f43f123888f241ed13d\"}, {\"url\": \"https://git.kernel.org/stable/c/51e6ed83bb4ade7c360551fa4ae55c4eacea354b\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nscsi: pm80xx: Fix memory leak during rmmod\\n\\nDriver failed to release all memory allocated. This would lead to memory\\nleak during driver removal.\\n\\nProperly free memory when the module is removed.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.241\", \"versionStartIncluding\": \"5.10\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.5\", \"versionStartIncluding\": \"5.10\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.16\", \"versionStartIncluding\": \"5.10\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-12-18T11:35:59.184Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2021-47193\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-12-18T11:35:59.184Z\", \"dateReserved\": \"2024-03-25T09:12:14.113Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-04-10T18:56:30.726Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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

Author Source Type Date Other

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.