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CVE-2024-47698 (GCVE-0-2024-47698)

Vulnerability from cvelistv5 – Published: 2024-10-21 11:53 – Updated: 2026-08-05 11:39
VLAI
Title
drivers: media: dvb-frontends/rtl2832: fix an out-of-bounds write error
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]
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-21 13:04 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 4b01e01a81b6629878344430531ced347cc2ed5b , < 7065c05c6d58b9b9a98127aa14e9a5ec68173918 (git)
Affected: 4b01e01a81b6629878344430531ced347cc2ed5b , < 49b33c38d202d3327dcfd058e27f541dcc308b92 (git)
Affected: 4b01e01a81b6629878344430531ced347cc2ed5b , < 6ae3b9aee42616ee93c4585174f40c767828006d (git)
Affected: 4b01e01a81b6629878344430531ced347cc2ed5b , < a879b6cdd48134a3d58949ea4f075c75fa2d7d71 (git)
Affected: 4b01e01a81b6629878344430531ced347cc2ed5b , < 15bea004e939d938a6771dfcf2a26cc899ffd20a (git)
Affected: 4b01e01a81b6629878344430531ced347cc2ed5b , < 527ab3eb3b0b4a6ee00e183c1de6a730239e2835 (git)
Affected: 4b01e01a81b6629878344430531ced347cc2ed5b , < 66dbe0df6eccc7ee53a2c35016ce81e13b3ff447 (git)
Affected: 4b01e01a81b6629878344430531ced347cc2ed5b , < bedd42e07988dbdd124b23e758ffef7a681b9c60 (git)
Affected: 4b01e01a81b6629878344430531ced347cc2ed5b , < 8ae06f360cfaca2b88b98ca89144548b3186aab1 (git)
guessed Create a notification for this product.
Linux Linux Affected: 4.0
Unaffected: 0 , < 4.0 (semver)
Unaffected: 4.19.323 , ≤ 4.19.* (semver)
Unaffected: 5.4.285 , ≤ 5.4.* (semver)
Unaffected: 5.10.227 , ≤ 5.10.* (semver)
Unaffected: 5.15.168 , ≤ 5.15.* (semver)
Unaffected: 6.1.113 , ≤ 6.1.* (semver)
Unaffected: 6.6.54 , ≤ 6.6.* (semver)
Unaffected: 6.10.13 , ≤ 6.10.* (semver)
Unaffected: 6.11.2 , ≤ 6.11.* (semver)
Unaffected: 6.12 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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      "cve": "CVE-2024-47698",
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      "initial_release_date": "2024-10-01T07:00:00.000Z",
      "product_status:fixed": "5",
      "product_status:known_affected": "5",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "drivers: media: dvb-frontends/rtl2832: fix an out-of-bounds write error",
      "url": "https://msrc.microsoft.com/csaf/vex/2024/msrc_cve-2024-47698.json",
      "version": "3"
    },
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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 \u003e 32 to index \u003e= 32 to resolve this\\nissue.\\n\\n[hverkuil: added fixes tag, rtl2830_pid_filter -\u003e 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 l\u00edmites Aseg\u00farate de que el \u00edndice en rtl2832_pid_filter no supere 31 para evitar el acceso fuera de los l\u00edmites. dev-\u0026gt;filters es un valor de 32 bits, por lo que las funciones set_bit y clear_bit solo deben funcionar en \u00edndices de 0 a 31. Si el \u00edndice es 32, intentar\u00e1 acceder a un bit 33 inexistente, lo que provocar\u00e1 un acceso fuera de los l\u00edmites. Cambia la comprobaci\u00f3n de l\u00edmites de \u00edndice \u0026gt; 32 a \u00edndice \u0026gt;= 32 para resolver este problema. [hverkuil: se agreg\u00f3 la etiqueta de correcciones, rtl2830_pid_filter -\u0026gt; rtl2832_pid_filter en 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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-08-04T17:52:43+00:00",
      "cve": "CVE-2024-47698",
      "id": "CVE-2024-47698",
      "initial_release_date": "2024-10-21T00:00:00+00:00",
      "product_status:known_affected": "76",
      "product_status:known_not_affected": "122",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: drivers: media: dvb-frontends/rtl2832: fix an out-of-bounds write error",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-47698.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-31T00:31:18Z",
      "cve": "CVE-2024-47698",
      "id": "CVE-2024-47698",
      "initial_release_date": "2024-10-21T15:47:26Z",
      "product_status:known_affected": "638",
      "product_status:known_not_affected": "47",
      "product_status:recommended": "676",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-47698",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-47698.json",
      "version": "71"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2025-11-03T22:21:04.372Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-47698\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-10-21T13:04:57.159768Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-10-21T13:05:00.651Z\"}}], \"cna\": {\"title\": \"drivers: media: dvb-frontends/rtl2832: fix an out-of-bounds write 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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 \u003e 32 to index \u003e= 32 to resolve this\\nissue.\\n\\n[hverkuil: added fixes tag, rtl2830_pid_filter -\u003e rtl2832_pid_filter in logmsg]\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.323\", \"versionStartIncluding\": \"4.0\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.285\", \"versionStartIncluding\": \"4.0\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.227\", \"versionStartIncluding\": \"4.0\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.168\", \"versionStartIncluding\": \"4.0\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.113\", \"versionStartIncluding\": \"4.0\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.54\", \"versionStartIncluding\": \"4.0\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.10.13\", \"versionStartIncluding\": \"4.0\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.11.2\", \"versionStartIncluding\": \"4.0\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12\", \"versionStartIncluding\": \"4.0\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T09:37:39.159Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-47698\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-11-03T22:21:04.372Z\", \"dateReserved\": \"2024-09-30T16:00:12.944Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-10-21T11:53:35.311Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.