fkie_cve-2021-47526
Vulnerability from fkie_nvd
Published
2024-05-24 15:15
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:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: serial: liteuart: Fix NULL pointer dereference in ->remove() drvdata has to be set in _probe() - otherwise platform_get_drvdata() causes null pointer dereference BUG in _remove().
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0f55f89d98c8b3e12b4f55f71c127a173e29557cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/189c99c629bbf85916c02c153f904649cc0a9d7fPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/0f55f89d98c8b3e12b4f55f71c127a173e29557cPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/189c99c629bbf85916c02c153f904649cc0a9d7fPatch
Impacted products
Vendor Product Version
linux linux_kernel *


To clipboard 

{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "A696A60B-2782-4119-83DD-1EFFBC903F02",
                     versionEndExcluding: "5.15.7",
                     versionStartIncluding: "5.11",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "In the Linux kernel, the following vulnerability has been resolved:\n\nserial: liteuart: Fix NULL pointer dereference in ->remove()\n\ndrvdata has to be set in _probe() - otherwise platform_get_drvdata()\ncauses null pointer dereference BUG in _remove().",
      },
      {
         lang: "es",
         value: "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: serial: liteuart: se corrige la desreferencia del puntero NULL en ->remove() drvdata debe configurarse en _probe(); de lo contrario, platform_get_drvdata() provoca un ERROR de desreferencia del puntero nulo en _remove().",
      },
   ],
   id: "CVE-2021-47526",
   lastModified: "2024-11-21T06:36:27.190",
   metrics: {
      cvssMetricV31: [
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "LOCAL",
               availabilityImpact: "HIGH",
               baseScore: 5.5,
               baseSeverity: "MEDIUM",
               confidentialityImpact: "NONE",
               integrityImpact: "NONE",
               privilegesRequired: "LOW",
               scope: "UNCHANGED",
               userInteraction: "NONE",
               vectorString: "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
               version: "3.1",
            },
            exploitabilityScore: 1.8,
            impactScore: 3.6,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2024-05-24T15:15:15.383",
   references: [
      {
         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
         tags: [
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/0f55f89d98c8b3e12b4f55f71c127a173e29557c",
      },
      {
         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
         tags: [
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/189c99c629bbf85916c02c153f904649cc0a9d7f",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/0f55f89d98c8b3e12b4f55f71c127a173e29557c",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/189c99c629bbf85916c02c153f904649cc0a9d7f",
      },
   ],
   sourceIdentifier: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-476",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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