fkie_cve-2021-47620
Vulnerability from fkie_nvd
Published
2024-06-20 11:15
Modified
2024-11-21 06:36
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Summary
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: refactor malicious adv data check Check for out-of-bound read was being performed at the end of while num_reports loop, and would fill journal with false positives. Added check to beginning of loop processing so that it doesn't get checked after ptr has been advanced.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/305e92f525450f3e1b5f5c9dc7eadb152d66a082Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5a539c08d743d9910631448da78af5e961664c0ePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5c968affa804ba98c3c603f37ffea6fba618025ePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7889b38a7f21ed19314f83194622b195d328465cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/835d3706852537bf92eb23eb8635b8dee0c0aa67Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/83d5196b65d1b29e27d7dd16a3b9b439fb1d2dbaPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8819f93cd4a443dfe547aa622b21f723757df3fbPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/899663be5e75dc0174dc8bda0b5e6826edf0b29aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bcea886771c3f22a590c8c8b9139a107bd7f1e1cPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/305e92f525450f3e1b5f5c9dc7eadb152d66a082Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/5a539c08d743d9910631448da78af5e961664c0ePatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/5c968affa804ba98c3c603f37ffea6fba618025ePatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/7889b38a7f21ed19314f83194622b195d328465cPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/835d3706852537bf92eb23eb8635b8dee0c0aa67Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/83d5196b65d1b29e27d7dd16a3b9b439fb1d2dbaPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/8819f93cd4a443dfe547aa622b21f723757df3fbPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/899663be5e75dc0174dc8bda0b5e6826edf0b29aPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/bcea886771c3f22a590c8c8b9139a107bd7f1e1cPatch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *


To clipboard 

{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "09609993-CA3F-47E6-ABB6-BF512D8AFF65",
                     versionEndExcluding: "4.4.302",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "A3BD638C-9597-4C2B-8024-32F57E1B53E3",
                     versionEndExcluding: "4.9.300",
                     versionStartIncluding: "4.5",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "4F849B5B-93E9-438A-AE05-0380EC168436",
                     versionEndExcluding: "4.14.265",
                     versionStartIncluding: "4.10",
                     vulnerable: true,
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                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "87288F16-8DE4-4680-95D9-8601B47620D7",
                     versionEndExcluding: "4.19.228",
                     versionStartIncluding: "4.15",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "581D4C61-D3FC-4DB2-85E3-EE596EEBA89E",
                     versionEndExcluding: "5.4.176",
                     versionStartIncluding: "4.20",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "27A6621A-A196-4220-957F-334B9124E477",
                     versionEndExcluding: "5.10.96",
                     versionStartIncluding: "5.5",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "DF69DD7C-FD57-4914-ABB0-FAEF87B0289D",
                     versionEndExcluding: "5.15.19",
                     versionStartIncluding: "5.11",
                     vulnerable: true,
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                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "1AD9E77E-B27E-450C-8FD8-B64EC5FB002D",
                     versionEndExcluding: "5.16.5",
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                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: refactor malicious adv data check\n\nCheck for out-of-bound read was being performed at the end of while\nnum_reports loop, and would fill journal with false positives. Added\ncheck to beginning of loop processing so that it doesn't get checked\nafter ptr has been advanced.",
      },
      {
         lang: "es",
         value: "En el kernel de Linux, se resolvió la siguiente vulnerabilidad: Bluetooth: refactorización de verificación de datos publicitarios maliciosos. Se estaba realizando una verificación de lectura fuera de los límites al final del bucle while num_reports y llenaría el diario con falsos positivos. Se agregó una verificación al comienzo del procesamiento del bucle para que no se verifique después de que se haya avanzado ptr.",
      },
   ],
   id: "CVE-2021-47620",
   lastModified: "2024-11-21T06:36:41.233",
   metrics: {
      cvssMetricV31: [
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "LOCAL",
               availabilityImpact: "NONE",
               baseScore: 5.5,
               baseSeverity: "MEDIUM",
               confidentialityImpact: "NONE",
               integrityImpact: "HIGH",
               privilegesRequired: "LOW",
               scope: "UNCHANGED",
               userInteraction: "NONE",
               vectorString: "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
               version: "3.1",
            },
            exploitabilityScore: 1.8,
            impactScore: 3.6,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2024-06-20T11:15:54.653",
   references: [
      {
         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
         tags: [
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      },
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         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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      {
         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
         tags: [
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         ],
         url: "https://git.kernel.org/stable/c/bcea886771c3f22a590c8c8b9139a107bd7f1e1c",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/305e92f525450f3e1b5f5c9dc7eadb152d66a082",
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         tags: [
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      },
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         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
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      },
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   sourceIdentifier: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-125",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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