fkie_cve-2024-47698
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/rtl2832: fix an out-of-bounds write error Ensure index in rtl2832_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. [hverkuil: added fixes tag, rtl2830_pid_filter -> rtl2832_pid_filter in logmsg]
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/15bea004e939d938a6771dfcf2a26cc899ffd20aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/49b33c38d202d3327dcfd058e27f541dcc308b92
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/527ab3eb3b0b4a6ee00e183c1de6a730239e2835Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/66dbe0df6eccc7ee53a2c35016ce81e13b3ff447Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6ae3b9aee42616ee93c4585174f40c767828006dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7065c05c6d58b9b9a98127aa14e9a5ec68173918
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8ae06f360cfaca2b88b98ca89144548b3186aab1Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a879b6cdd48134a3d58949ea4f075c75fa2d7d71Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bedd42e07988dbdd124b23e758ffef7a681b9c60Patch
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 

{
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      {
         nodes: [
            {
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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/rtl2832: fix an out-of-bounds write error\n\nEnsure index in rtl2832_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.\n\n[hverkuil: added fixes tag, rtl2830_pid_filter -> rtl2832_pid_filter in logmsg]",
      },
      {
         lang: "es",
         value: "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drivers: media: dvb-frontends/rtl2832: corrige un error de escritura fuera de los límites Asegúrate de que el índice en rtl2832_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. [hverkuil: se agregó la etiqueta de correcciones, rtl2830_pid_filter -> rtl2832_pid_filter en logmsg]",
      },
   ],
   id: "CVE-2024-47698",
   lastModified: "2024-11-08T16:15:25.543",
   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: "2024-10-21T12:15:06.423",
   references: [
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         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
         tags: [
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   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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