fkie_cve-2024-47697
Vulnerability from fkie_nvd
Published
2024-10-21 12:15
Modified
2024-11-08 16:15
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: drivers: media: dvb-frontends/rtl2830: fix an out-of-bounds write error Ensure index in rtl2830_pid_filter does not exceed 31 to prevent out-of-bounds access. dev->filters is a 32-bit value, so set_bit and clear_bit functions should only operate on indices from 0 to 31. If index is 32, it will attempt to access a non-existent 33rd bit, leading to out-of-bounds access. Change the boundary check from index > 32 to index >= 32 to resolve this issue.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/042b101d7bf70616c4967c286ffa6fcca65babfbPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3dba83d3c81de1368d15a39f22df7b53e306052fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/46d7ebfe6a75a454a5fa28604f0ef1491f9d8d14Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/58f31be7dfbc0c84a6497ad51924949cf64b86a2Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7fd6aae7e53b94f4035b1bfce28b8dfa0d0ae470Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/86d920d2600c3a48efc2775c1666c1017eec6956Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/883f794c6e498ae24680aead55c16f66b06cfc30
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8ffbe7d07b8e76193b151107878ddc1ccc94deb5
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/badbd736e6649c4e6d7b4ff7e2b9857acfa9ea94Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *


To clipboard 

{
   configurations: [
      {
         nodes: [
            {
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                     matchCriteriaId: "B048D614-44B2-4635-B88F-66392D68DE86",
                     versionEndExcluding: "5.10.227",
                     versionStartIncluding: "4.0",
                     vulnerable: true,
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               negate: false,
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   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "In the Linux kernel, the following vulnerability has been resolved:\n\ndrivers: media: dvb-frontends/rtl2830: fix an out-of-bounds write error\n\nEnsure index in rtl2830_pid_filter does not exceed 31 to prevent\nout-of-bounds access.\n\ndev->filters is a 32-bit value, so set_bit and clear_bit functions should\nonly operate on indices from 0 to 31. If index is 32, it will attempt to\naccess a non-existent 33rd bit, leading to out-of-bounds access.\nChange the boundary check from index > 32 to index >= 32 to resolve this\nissue.",
      },
      {
         lang: "es",
         value: "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drivers: media: dvb-frontends/rtl2830: corrige un error de escritura fuera de los límites Asegúrate de que el índice en rtl2830_pid_filter no supere 31 para evitar el acceso fuera de los límites. dev->filters es un valor de 32 bits, por lo que las funciones set_bit y clear_bit solo deben funcionar en índices de 0 a 31. Si el índice es 32, intentará acceder a un bit 33 inexistente, lo que provocará un acceso fuera de los límites. Cambia la comprobación de límites de índice > 32 a índice >= 32 para resolver este problema.",
      },
   ],
   id: "CVE-2024-47697",
   lastModified: "2024-11-08T16:15:25.433",
   metrics: {
      cvssMetricV31: [
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "LOCAL",
               availabilityImpact: "HIGH",
               baseScore: 7.8,
               baseSeverity: "HIGH",
               confidentialityImpact: "HIGH",
               integrityImpact: "HIGH",
               privilegesRequired: "LOW",
               scope: "UNCHANGED",
               userInteraction: "NONE",
               vectorString: "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
               version: "3.1",
            },
            exploitabilityScore: 1.8,
            impactScore: 5.9,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2024-10-21T12:15:06.343",
   references: [
      {
         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
         tags: [
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      },
      {
         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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         url: "https://git.kernel.org/stable/c/badbd736e6649c4e6d7b4ff7e2b9857acfa9ea94",
      },
   ],
   sourceIdentifier: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-787",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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