cve-2021-47521
Vulnerability from cvelistv5
Published
2024-05-24 15:09
Modified
2024-12-19 07:44
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: can: sja1000: fix use after free in ems_pcmcia_add_card() If the last channel is not available then "dev" is freed. Fortunately, we can just use "pdev->irq" instead. Also we should check if at least one channel was set up.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1a295fea90e1acbe80c6d4940f5ff856edcd6becPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1dd5b819f7e406dc15bbc7670596ff25261aaa2aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3ec6ca6b1a8e64389f0212b5a1b0f6fed1909e45Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/474f9a8534f5f89841240a7e978bafd6e1e039cePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/923f4dc5df679f678e121c20bf2fd70f7bf3e288Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c8718026ba287168ff9ad0ccc4f9a413062cba36Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cbd86110546f7f730a1f5d7de56c944a336c15c4Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ccf070183e4655824936c0f96c4a2bcca93419aaPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/1a295fea90e1acbe80c6d4940f5ff856edcd6becPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/1dd5b819f7e406dc15bbc7670596ff25261aaa2aPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/3ec6ca6b1a8e64389f0212b5a1b0f6fed1909e45Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/474f9a8534f5f89841240a7e978bafd6e1e039cePatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/923f4dc5df679f678e121c20bf2fd70f7bf3e288Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/c8718026ba287168ff9ad0ccc4f9a413062cba36Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/cbd86110546f7f730a1f5d7de56c944a336c15c4Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/ccf070183e4655824936c0f96c4a2bcca93419aaPatch
Impacted products
Vendor Product Version
Linux Linux Version: fd734c6f25aea4b2b44b045e489aec67b388577e
Version: fd734c6f25aea4b2b44b045e489aec67b388577e
Version: fd734c6f25aea4b2b44b045e489aec67b388577e
Version: fd734c6f25aea4b2b44b045e489aec67b388577e
Version: fd734c6f25aea4b2b44b045e489aec67b388577e
Version: fd734c6f25aea4b2b44b045e489aec67b388577e
Version: fd734c6f25aea4b2b44b045e489aec67b388577e
Version: fd734c6f25aea4b2b44b045e489aec67b388577e
Create a notification for this product.
   Linux Linux Version: 3.2
Create a notification for this product.
Show details on NVD website


{
   containers: {
      adp: [
         {
            metrics: [
               {
                  other: {
                     content: {
                        id: "CVE-2021-47521",
                        options: [
                           {
                              Exploitation: "none",
                           },
                           {
                              Automatable: "no",
                           },
                           {
                              "Technical Impact": "total",
                           },
                        ],
                        role: "CISA Coordinator",
                        timestamp: "2024-05-29T16:55:46.664460Z",
                        version: "2.0.3",
                     },
                     type: "ssvc",
                  },
               },
            ],
            providerMetadata: {
               dateUpdated: "2024-06-04T17:14:06.426Z",
               orgId: "134c704f-9b21-4f2e-91b3-4a467353bcc0",
               shortName: "CISA-ADP",
            },
            title: "CISA ADP Vulnrichment",
         },
         {
            providerMetadata: {
               dateUpdated: "2024-08-04T05:39:59.801Z",
               orgId: "af854a3a-2127-422b-91ae-364da2661108",
               shortName: "CVE",
            },
            references: [
               {
                  tags: [
                     "x_transferred",
                  ],
                  url: "https://git.kernel.org/stable/c/cbd86110546f7f730a1f5d7de56c944a336c15c4",
               },
               {
                  tags: [
                     "x_transferred",
                  ],
                  url: "https://git.kernel.org/stable/c/1dd5b819f7e406dc15bbc7670596ff25261aaa2a",
               },
               {
                  tags: [
                     "x_transferred",
                  ],
                  url: "https://git.kernel.org/stable/c/c8718026ba287168ff9ad0ccc4f9a413062cba36",
               },
               {
                  tags: [
                     "x_transferred",
                  ],
                  url: "https://git.kernel.org/stable/c/ccf070183e4655824936c0f96c4a2bcca93419aa",
               },
               {
                  tags: [
                     "x_transferred",
                  ],
                  url: "https://git.kernel.org/stable/c/1a295fea90e1acbe80c6d4940f5ff856edcd6bec",
               },
               {
                  tags: [
                     "x_transferred",
                  ],
                  url: "https://git.kernel.org/stable/c/923f4dc5df679f678e121c20bf2fd70f7bf3e288",
               },
               {
                  tags: [
                     "x_transferred",
                  ],
                  url: "https://git.kernel.org/stable/c/474f9a8534f5f89841240a7e978bafd6e1e039ce",
               },
               {
                  tags: [
                     "x_transferred",
                  ],
                  url: "https://git.kernel.org/stable/c/3ec6ca6b1a8e64389f0212b5a1b0f6fed1909e45",
               },
            ],
            title: "CVE Program Container",
         },
      ],
      cna: {
         affected: [
            {
               defaultStatus: "unaffected",
               product: "Linux",
               programFiles: [
                  "drivers/net/can/sja1000/ems_pcmcia.c",
               ],
               repo: "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               vendor: "Linux",
               versions: [
                  {
                     lessThan: "cbd86110546f7f730a1f5d7de56c944a336c15c4",
                     status: "affected",
                     version: "fd734c6f25aea4b2b44b045e489aec67b388577e",
                     versionType: "git",
                  },
                  {
                     lessThan: "1dd5b819f7e406dc15bbc7670596ff25261aaa2a",
                     status: "affected",
                     version: "fd734c6f25aea4b2b44b045e489aec67b388577e",
                     versionType: "git",
                  },
                  {
                     lessThan: "c8718026ba287168ff9ad0ccc4f9a413062cba36",
                     status: "affected",
                     version: "fd734c6f25aea4b2b44b045e489aec67b388577e",
                     versionType: "git",
                  },
                  {
                     lessThan: "ccf070183e4655824936c0f96c4a2bcca93419aa",
                     status: "affected",
                     version: "fd734c6f25aea4b2b44b045e489aec67b388577e",
                     versionType: "git",
                  },
                  {
                     lessThan: "1a295fea90e1acbe80c6d4940f5ff856edcd6bec",
                     status: "affected",
                     version: "fd734c6f25aea4b2b44b045e489aec67b388577e",
                     versionType: "git",
                  },
                  {
                     lessThan: "923f4dc5df679f678e121c20bf2fd70f7bf3e288",
                     status: "affected",
                     version: "fd734c6f25aea4b2b44b045e489aec67b388577e",
                     versionType: "git",
                  },
                  {
                     lessThan: "474f9a8534f5f89841240a7e978bafd6e1e039ce",
                     status: "affected",
                     version: "fd734c6f25aea4b2b44b045e489aec67b388577e",
                     versionType: "git",
                  },
                  {
                     lessThan: "3ec6ca6b1a8e64389f0212b5a1b0f6fed1909e45",
                     status: "affected",
                     version: "fd734c6f25aea4b2b44b045e489aec67b388577e",
                     versionType: "git",
                  },
               ],
            },
            {
               defaultStatus: "affected",
               product: "Linux",
               programFiles: [
                  "drivers/net/can/sja1000/ems_pcmcia.c",
               ],
               repo: "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               vendor: "Linux",
               versions: [
                  {
                     status: "affected",
                     version: "3.2",
                  },
                  {
                     lessThan: "3.2",
                     status: "unaffected",
                     version: "0",
                     versionType: "semver",
                  },
                  {
                     lessThanOrEqual: "4.4.*",
                     status: "unaffected",
                     version: "4.4.295",
                     versionType: "semver",
                  },
                  {
                     lessThanOrEqual: "4.9.*",
                     status: "unaffected",
                     version: "4.9.293",
                     versionType: "semver",
                  },
                  {
                     lessThanOrEqual: "4.14.*",
                     status: "unaffected",
                     version: "4.14.258",
                     versionType: "semver",
                  },
                  {
                     lessThanOrEqual: "4.19.*",
                     status: "unaffected",
                     version: "4.19.221",
                     versionType: "semver",
                  },
                  {
                     lessThanOrEqual: "5.4.*",
                     status: "unaffected",
                     version: "5.4.165",
                     versionType: "semver",
                  },
                  {
                     lessThanOrEqual: "5.10.*",
                     status: "unaffected",
                     version: "5.10.85",
                     versionType: "semver",
                  },
                  {
                     lessThanOrEqual: "5.15.*",
                     status: "unaffected",
                     version: "5.15.8",
                     versionType: "semver",
                  },
                  {
                     lessThanOrEqual: "*",
                     status: "unaffected",
                     version: "5.16",
                     versionType: "original_commit_for_fix",
                  },
               ],
            },
         ],
         descriptions: [
            {
               lang: "en",
               value: "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: sja1000: fix use after free in ems_pcmcia_add_card()\n\nIf the last channel is not available then \"dev\" is freed.  Fortunately,\nwe can just use \"pdev->irq\" instead.\n\nAlso we should check if at least one channel was set up.",
            },
         ],
         providerMetadata: {
            dateUpdated: "2024-12-19T07:44:05.387Z",
            orgId: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            shortName: "Linux",
         },
         references: [
            {
               url: "https://git.kernel.org/stable/c/cbd86110546f7f730a1f5d7de56c944a336c15c4",
            },
            {
               url: "https://git.kernel.org/stable/c/1dd5b819f7e406dc15bbc7670596ff25261aaa2a",
            },
            {
               url: "https://git.kernel.org/stable/c/c8718026ba287168ff9ad0ccc4f9a413062cba36",
            },
            {
               url: "https://git.kernel.org/stable/c/ccf070183e4655824936c0f96c4a2bcca93419aa",
            },
            {
               url: "https://git.kernel.org/stable/c/1a295fea90e1acbe80c6d4940f5ff856edcd6bec",
            },
            {
               url: "https://git.kernel.org/stable/c/923f4dc5df679f678e121c20bf2fd70f7bf3e288",
            },
            {
               url: "https://git.kernel.org/stable/c/474f9a8534f5f89841240a7e978bafd6e1e039ce",
            },
            {
               url: "https://git.kernel.org/stable/c/3ec6ca6b1a8e64389f0212b5a1b0f6fed1909e45",
            },
         ],
         title: "can: sja1000: fix use after free in ems_pcmcia_add_card()",
         x_generator: {
            engine: "bippy-5f407fcff5a0",
         },
      },
   },
   cveMetadata: {
      assignerOrgId: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      assignerShortName: "Linux",
      cveId: "CVE-2021-47521",
      datePublished: "2024-05-24T15:09:34.457Z",
      dateReserved: "2024-05-24T15:02:54.825Z",
      dateUpdated: "2024-12-19T07:44:05.387Z",
      state: "PUBLISHED",
   },
   dataType: "CVE_RECORD",
   dataVersion: "5.1",
   "vulnerability-lookup:meta": {
      nvd: "{\"cve\":{\"id\":\"CVE-2021-47521\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-24T15:15:14.203\",\"lastModified\":\"2024-11-21T06:36:26.170\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ncan: sja1000: fix use after free in ems_pcmcia_add_card()\\n\\nIf the last channel is not available then \\\"dev\\\" is freed.  Fortunately,\\nwe can just use \\\"pdev->irq\\\" instead.\\n\\nAlso we should check if at least one channel was set up.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: can: sja1000: arreglar el use after free en ems_pcmcia_add_card() Si el último canal no está disponible entonces se libera \\\"dev\\\". Afortunadamente, podemos usar \\\"pdev->irq\\\" en su lugar. También debemos comprobar si se configuró al menos un canal.\"}],\"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:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.2\",\"versionEndExcluding\":\"4.4.295\",\"matchCriteriaId\":\"E8A4BCFB-2E82-46CF-9D84-81F454F3C1BC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.5\",\"versionEndExcluding\":\"4.9.293\",\"matchCriteriaId\":\"5D107324-F4B9-4146-BACC-391E95D41D67\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.10\",\"versionEndExcluding\":\"4.14.258\",\"matchCriteriaId\":\"71B2A056-7541-4FF3-859E-C55955DDA2DD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.15\",\"versionEndExcluding\":\"4.19.221\",\"matchCriteriaId\":\"CECDDE2F-DEEF-4D3A-85FF-6AEBA16D225B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.4.165\",\"matchCriteriaId\":\"B1DD3148-41FC-42AC-96A5-F63D774A97A3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.85\",\"matchCriteriaId\":\"D9668578-08F7-4694-A86F-FCE448387A79\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.8\",\"matchCriteriaId\":\"6664ACE2-F748-4AE5-B98B-58803B0B2C3E\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/1a295fea90e1acbe80c6d4940f5ff856edcd6bec\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/1dd5b819f7e406dc15bbc7670596ff25261aaa2a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/3ec6ca6b1a8e64389f0212b5a1b0f6fed1909e45\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/474f9a8534f5f89841240a7e978bafd6e1e039ce\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/923f4dc5df679f678e121c20bf2fd70f7bf3e288\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/c8718026ba287168ff9ad0ccc4f9a413062cba36\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/cbd86110546f7f730a1f5d7de56c944a336c15c4\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/ccf070183e4655824936c0f96c4a2bcca93419aa\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/1a295fea90e1acbe80c6d4940f5ff856edcd6bec\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/1dd5b819f7e406dc15bbc7670596ff25261aaa2a\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/3ec6ca6b1a8e64389f0212b5a1b0f6fed1909e45\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/474f9a8534f5f89841240a7e978bafd6e1e039ce\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/923f4dc5df679f678e121c20bf2fd70f7bf3e288\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/c8718026ba287168ff9ad0ccc4f9a413062cba36\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/cbd86110546f7f730a1f5d7de56c944a336c15c4\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/ccf070183e4655824936c0f96c4a2bcca93419aa\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]}]}}",
      vulnrichment: {
         containers: "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://git.kernel.org/stable/c/cbd86110546f7f730a1f5d7de56c944a336c15c4\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/1dd5b819f7e406dc15bbc7670596ff25261aaa2a\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/c8718026ba287168ff9ad0ccc4f9a413062cba36\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/ccf070183e4655824936c0f96c4a2bcca93419aa\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/1a295fea90e1acbe80c6d4940f5ff856edcd6bec\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/923f4dc5df679f678e121c20bf2fd70f7bf3e288\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/474f9a8534f5f89841240a7e978bafd6e1e039ce\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/3ec6ca6b1a8e64389f0212b5a1b0f6fed1909e45\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-04T05:39:59.801Z\"}}, {\"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2021-47521\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-05-29T16:55:46.664460Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-05-29T16:55:57.927Z\"}, \"title\": \"CISA ADP Vulnrichment\"}], \"cna\": {\"title\": \"can: sja1000: fix use after free in ems_pcmcia_add_card()\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"fd734c6f25ae\", \"lessThan\": \"cbd86110546f\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"fd734c6f25ae\", \"lessThan\": \"1dd5b819f7e4\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"fd734c6f25ae\", \"lessThan\": \"c8718026ba28\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"fd734c6f25ae\", \"lessThan\": \"ccf070183e46\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"fd734c6f25ae\", \"lessThan\": \"1a295fea90e1\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"fd734c6f25ae\", \"lessThan\": \"923f4dc5df67\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"fd734c6f25ae\", \"lessThan\": \"474f9a8534f5\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"fd734c6f25ae\", \"lessThan\": \"3ec6ca6b1a8e\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/net/can/sja1000/ems_pcmcia.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"3.2\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"3.2\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"4.4.295\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.4.*\"}, {\"status\": \"unaffected\", \"version\": \"4.9.293\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.9.*\"}, {\"status\": \"unaffected\", \"version\": \"4.14.258\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.14.*\"}, {\"status\": \"unaffected\", \"version\": \"4.19.221\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.19.*\"}, {\"status\": \"unaffected\", \"version\": \"5.4.165\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.85\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.8\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"5.16\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/net/can/sja1000/ems_pcmcia.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/cbd86110546f7f730a1f5d7de56c944a336c15c4\"}, {\"url\": \"https://git.kernel.org/stable/c/1dd5b819f7e406dc15bbc7670596ff25261aaa2a\"}, {\"url\": \"https://git.kernel.org/stable/c/c8718026ba287168ff9ad0ccc4f9a413062cba36\"}, {\"url\": \"https://git.kernel.org/stable/c/ccf070183e4655824936c0f96c4a2bcca93419aa\"}, {\"url\": \"https://git.kernel.org/stable/c/1a295fea90e1acbe80c6d4940f5ff856edcd6bec\"}, {\"url\": \"https://git.kernel.org/stable/c/923f4dc5df679f678e121c20bf2fd70f7bf3e288\"}, {\"url\": \"https://git.kernel.org/stable/c/474f9a8534f5f89841240a7e978bafd6e1e039ce\"}, {\"url\": \"https://git.kernel.org/stable/c/3ec6ca6b1a8e64389f0212b5a1b0f6fed1909e45\"}], \"x_generator\": {\"engine\": \"bippy-9e1c9544281a\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\ncan: sja1000: fix use after free in ems_pcmcia_add_card()\\n\\nIf the last channel is not available then \\\"dev\\\" is freed.  Fortunately,\\nwe can just use \\\"pdev->irq\\\" instead.\\n\\nAlso we should check if at least one channel was set up.\"}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2024-11-04T12:07:32.380Z\"}}}",
         cveMetadata: "{\"cveId\": \"CVE-2021-47521\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-11-04T12:07:32.380Z\", \"dateReserved\": \"2024-05-24T15:02:54.825Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-24T15:09:34.457Z\", \"assignerShortName\": \"Linux\"}",
         dataType: "CVE_RECORD",
         dataVersion: "5.1",
      },
   },
}


Log in or create an account to share your comment.

Security Advisory comment format.

This schema specifies the format of a comment related to a security advisory.

UUIDv4 of the comment
UUIDv4 of the Vulnerability-Lookup instance
When the comment was created originally
When the comment was last updated
Title of the comment
Description of the comment
The identifier of the vulnerability (CVE ID, GHSA-ID, PYSEC ID, etc.).



Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.