fkie_cve-2021-47464
Vulnerability from fkie_nvd
Published
2024-05-22 07:15
Modified
2025-04-02 15:11
Severity ?
7.4 (High) - CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: audit: fix possible null-pointer dereference in audit_filter_rules Fix possible null-pointer dereference in audit_filter_rules. audit_filter_rules() error: we previously assumed 'ctx' could be null
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/16802fa4c33eb1a8efb23f1e93365190e4047d05Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4e9e46a700201b4c85081fd478c99c692a9aaa0dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6e3ee990c90494561921c756481d0e2125d8b895Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d6f451f1f60c58d73038c7c3177066f8f084e2a2Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/16802fa4c33eb1a8efb23f1e93365190e4047d05Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/4e9e46a700201b4c85081fd478c99c692a9aaa0dPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/6e3ee990c90494561921c756481d0e2125d8b895Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/d6f451f1f60c58d73038c7c3177066f8f084e2a2Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 5.15
linux linux_kernel 5.15
linux linux_kernel 5.15
linux linux_kernel 5.15
linux linux_kernel 5.15
linux linux_kernel 5.15


To clipboard 

{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "E4C8BBC8-2659-443E-AD6A-5615DA0EC349",
                     versionEndExcluding: "5.4.156",
                     versionStartIncluding: "5.3",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "E61528CE-9083-425B-AE36-3791232BF780",
                     versionEndExcluding: "5.10.76",
                     versionStartIncluding: "5.5",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "63BD46C4-473F-45F9-93E9-F67D955321D8",
                     versionEndExcluding: "5.14.15",
                     versionStartIncluding: "5.11",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:*",
                     matchCriteriaId: "E46C74C6-B76B-4C94-A6A4-FD2FFF62D644",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:*",
                     matchCriteriaId: "60134C3A-06E4-48C1-B04F-2903732A4E56",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:5.15:rc3:*:*:*:*:*:*",
                     matchCriteriaId: "0460DA88-8FE1-46A2-9DDA-1F1ABA552E71",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:5.15:rc4:*:*:*:*:*:*",
                     matchCriteriaId: "AF55383D-4DF2-45DC-93F7-571F4F978EAB",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:5.15:rc5:*:*:*:*:*:*",
                     matchCriteriaId: "9E9481B2-8AA6-4CBD-B5D3-C10F51FF6D01",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:5.15:rc6:*:*:*:*:*:*",
                     matchCriteriaId: "EBD45831-4B79-42BC-ABC0-86870F0DEA89",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "In the Linux kernel, the following vulnerability has been resolved:\n\naudit: fix possible null-pointer dereference in audit_filter_rules\n\nFix  possible null-pointer dereference in audit_filter_rules.\n\naudit_filter_rules() error: we previously assumed 'ctx' could be null",
      },
      {
         lang: "es",
         value: "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: auditoría: corrige una posible desreferencia de puntero nulo en audit_filter_rules. Corrige una posible desreferencia de puntero nulo en audit_filter_rules. Error audit_filter_rules(): previamente asumimos que 'ctx' podría ser nulo",
      },
   ],
   id: "CVE-2021-47464",
   lastModified: "2025-04-02T15:11:21.573",
   metrics: {
      cvssMetricV31: [
         {
            cvssData: {
               attackComplexity: "HIGH",
               attackVector: "LOCAL",
               availabilityImpact: "HIGH",
               baseScore: 7.4,
               baseSeverity: "HIGH",
               confidentialityImpact: "HIGH",
               integrityImpact: "HIGH",
               privilegesRequired: "NONE",
               scope: "UNCHANGED",
               userInteraction: "NONE",
               vectorString: "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
               version: "3.1",
            },
            exploitabilityScore: 1.4,
            impactScore: 5.9,
            source: "134c704f-9b21-4f2e-91b3-4a467353bcc0",
            type: "Secondary",
         },
      ],
   },
   published: "2024-05-22T07:15:11.287",
   references: [
      {
         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
         tags: [
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/16802fa4c33eb1a8efb23f1e93365190e4047d05",
      },
      {
         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
         tags: [
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/4e9e46a700201b4c85081fd478c99c692a9aaa0d",
      },
      {
         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
         tags: [
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         ],
         url: "https://git.kernel.org/stable/c/6e3ee990c90494561921c756481d0e2125d8b895",
      },
      {
         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
         tags: [
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/d6f451f1f60c58d73038c7c3177066f8f084e2a2",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
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         ],
         url: "https://git.kernel.org/stable/c/16802fa4c33eb1a8efb23f1e93365190e4047d05",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
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         url: "https://git.kernel.org/stable/c/4e9e46a700201b4c85081fd478c99c692a9aaa0d",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/6e3ee990c90494561921c756481d0e2125d8b895",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/d6f451f1f60c58d73038c7c3177066f8f084e2a2",
      },
   ],
   sourceIdentifier: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
   vulnStatus: "Analyzed",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-476",
            },
         ],
         source: "134c704f-9b21-4f2e-91b3-4a467353bcc0",
         type: "Secondary",
      },
   ],
}


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