CVE-2024-36016 (GCVE-0-2024-36016)

Vulnerability from cvelistv5 – Published: 2024-05-29 18:46 – Updated: 2026-05-11 20:15
VLAI?
Title
tty: n_gsm: fix possible out-of-bounds in gsm0_receive()
Summary
In the Linux kernel, the following vulnerability has been resolved: tty: n_gsm: fix possible out-of-bounds in gsm0_receive() Assuming the following: - side A configures the n_gsm in basic option mode - side B sends the header of a basic option mode frame with data length 1 - side A switches to advanced option mode - side B sends 2 data bytes which exceeds gsm->len Reason: gsm->len is not used in advanced option mode. - side A switches to basic option mode - side B keeps sending until gsm0_receive() writes past gsm->buf Reason: Neither gsm->state nor gsm->len have been reset after reconfiguration. Fix this by changing gsm->count to gsm->len comparison from equal to less than. Also add upper limit checks against the constant MAX_MRU in gsm0_receive() and gsm1_receive() to harden against memory corruption of gsm->len and gsm->mru. All other checks remain as we still need to limit the data according to the user configuration and actual payload size.
Severity ?
7.7 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: e1eaea46bb4020b38a141b84f88565d4603f8dd0 , < 9513d4148950b05bc99fa7314dc883cc0e1605e5 (git)
Affected: e1eaea46bb4020b38a141b84f88565d4603f8dd0 , < b229bc6c6ea9fe459fc3fa94fd0a27a2f32aca56 (git)
Affected: e1eaea46bb4020b38a141b84f88565d4603f8dd0 , < 0fb736c9931e02dbc7d9a75044c8e1c039e50f04 (git)
Affected: e1eaea46bb4020b38a141b84f88565d4603f8dd0 , < 4c267110fc110390704cc065edb9817fdd10ff54 (git)
Affected: e1eaea46bb4020b38a141b84f88565d4603f8dd0 , < 46f52c89a7e7d2691b97a9728e4591d071ca8abc (git)
Affected: e1eaea46bb4020b38a141b84f88565d4603f8dd0 , < 774d83b008eccb1c48c14dc5486e7aa255731350 (git)
Affected: e1eaea46bb4020b38a141b84f88565d4603f8dd0 , < f126ce7305fe88f49cdabc6db4168b9318898ea3 (git)
Affected: e1eaea46bb4020b38a141b84f88565d4603f8dd0 , < b890d45aaf02b564e6cae2d2a590f9649330857d (git)
Affected: e1eaea46bb4020b38a141b84f88565d4603f8dd0 , < 47388e807f85948eefc403a8a5fdc5b406a65d5a (git)
Create a notification for this product.
Linux Linux Affected: 2.6.35
Unaffected: 0 , < 2.6.35 (semver)
Unaffected: 4.19.316 , ≤ 4.19.* (semver)
Unaffected: 5.4.278 , ≤ 5.4.* (semver)
Unaffected: 5.10.219 , ≤ 5.10.* (semver)
Unaffected: 5.15.161 , ≤ 5.15.* (semver)
Unaffected: 6.1.93 , ≤ 6.1.* (semver)
Unaffected: 6.6.33 , ≤ 6.6.* (semver)
Unaffected: 6.8.12 , ≤ 6.8.* (semver)
Unaffected: 6.9.3 , ≤ 6.9.* (semver)
Unaffected: 6.10 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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      "descriptions": "[{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\ntty: n_gsm: fix possible out-of-bounds in gsm0_receive()\\n\\nAssuming the following:\\n- side A configures the n_gsm in basic option mode\\n- side B sends the header of a basic option mode frame with data length 1\\n- side A switches to advanced option mode\\n- side B sends 2 data bytes which exceeds gsm-\u003elen\\n  Reason: gsm-\u003elen is not used in advanced option mode.\\n- side A switches to basic option mode\\n- side B keeps sending until gsm0_receive() writes past gsm-\u003ebuf\\n  Reason: Neither gsm-\u003estate nor gsm-\u003elen have been reset after\\n  reconfiguration.\\n\\nFix this by changing gsm-\u003ecount to gsm-\u003elen comparison from equal to less\\nthan. Also add upper limit checks against the constant MAX_MRU in\\ngsm0_receive() and gsm1_receive() to harden against memory corruption of\\ngsm-\u003elen and gsm-\u003emru.\\n\\nAll other checks remain as we still need to limit the data according to the\\nuser configuration and actual payload size.\"}, {\"lang\": \"es\", \"value\": \"En el kernel de Linux se ha resuelto la siguiente vulnerabilidad: tty: n_gsm: corrige posibles fuera de los l\\u00edmites en gsm0_receive() Suponiendo lo siguiente: - el lado A configura el n_gsm en modo de opci\\u00f3n b\\u00e1sica - el lado B env\\u00eda el encabezado de un mensaje b\\u00e1sico trama del modo de opci\\u00f3n con longitud de datos 1 - el lado A cambia al modo de opci\\u00f3n avanzada - el lado B env\\u00eda 2 bytes de datos que exceden gsm-\u0026gt;len Motivo: gsm-\u0026gt;len no se usa en el modo de opci\\u00f3n avanzada. - el lado A cambia al modo de opci\\u00f3n b\\u00e1sica - el lado B contin\\u00faa enviando hasta que gsm0_receive() escribe m\\u00e1s all\\u00e1 de gsm-\u0026gt;buf Motivo: Ni gsm-\u0026gt;state ni gsm-\u0026gt;len se han restablecido despu\\u00e9s de la reconfiguraci\\u00f3n. Solucione este problema cambiando gsm-\u0026gt;count a gsm-\u0026gt;len comparaci\\u00f3n de igual a menor que. Tambi\\u00e9n agregue comprobaciones de l\\u00edmite superior contra la constante MAX_MRU en gsm0_receive() y gsm1_receive() para proteger contra la corrupci\\u00f3n de memoria de gsm-\u0026gt;len y gsm-\u0026gt;mru. Todas las dem\\u00e1s comprobaciones permanecen, ya que todav\\u00eda necesitamos limitar los datos seg\\u00fan la configuraci\\u00f3n del usuario y el tama\\u00f1o real del payload.\"}]",
      "id": "CVE-2024-36016",
      "lastModified": "2024-11-21T09:21:26.503",
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Also add upper limit checks against the constant MAX_MRU in\\ngsm0_receive() and gsm1_receive() to harden against memory corruption of\\ngsm-\u003elen and gsm-\u003emru.\\n\\nAll other checks remain as we still need to limit the data according to the\\nuser configuration and actual payload size.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux se ha resuelto la siguiente vulnerabilidad: tty: n_gsm: corrige posibles fuera de los l\u00edmites en gsm0_receive() Suponiendo lo siguiente: - el lado A configura el n_gsm en modo de opci\u00f3n b\u00e1sica - el lado B env\u00eda el encabezado de un mensaje b\u00e1sico trama del modo de opci\u00f3n con longitud de datos 1 - el lado A cambia al modo de opci\u00f3n avanzada - el lado B env\u00eda 2 bytes de datos que exceden gsm-\u0026gt;len Motivo: gsm-\u0026gt;len no se usa en el modo de opci\u00f3n avanzada. - el lado A cambia al modo de opci\u00f3n b\u00e1sica - el lado B contin\u00faa enviando hasta que gsm0_receive() escribe m\u00e1s all\u00e1 de gsm-\u0026gt;buf Motivo: Ni gsm-\u0026gt;state ni gsm-\u0026gt;len se han restablecido despu\u00e9s de la reconfiguraci\u00f3n. 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\"custom\", \"lessThanOrEqual\": \"6.10\"}, {\"status\": \"unaffected\", \"version\": \"6.10\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"*\"}], \"defaultStatus\": \"unknown\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-125\", \"description\": \"CWE-125 Out-of-bounds Read\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-05-30T18:11:07.936Z\"}}], \"cna\": {\"title\": \"tty: n_gsm: fix possible out-of-bounds in gsm0_receive()\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"e1eaea46bb4020b38a141b84f88565d4603f8dd0\", \"lessThan\": \"9513d4148950b05bc99fa7314dc883cc0e1605e5\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"e1eaea46bb4020b38a141b84f88565d4603f8dd0\", \"lessThan\": \"b229bc6c6ea9fe459fc3fa94fd0a27a2f32aca56\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"e1eaea46bb4020b38a141b84f88565d4603f8dd0\", \"lessThan\": \"0fb736c9931e02dbc7d9a75044c8e1c039e50f04\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"e1eaea46bb4020b38a141b84f88565d4603f8dd0\", \"lessThan\": \"4c267110fc110390704cc065edb9817fdd10ff54\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"e1eaea46bb4020b38a141b84f88565d4603f8dd0\", \"lessThan\": \"46f52c89a7e7d2691b97a9728e4591d071ca8abc\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"e1eaea46bb4020b38a141b84f88565d4603f8dd0\", \"lessThan\": \"774d83b008eccb1c48c14dc5486e7aa255731350\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"e1eaea46bb4020b38a141b84f88565d4603f8dd0\", \"lessThan\": \"f126ce7305fe88f49cdabc6db4168b9318898ea3\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"e1eaea46bb4020b38a141b84f88565d4603f8dd0\", \"lessThan\": \"b890d45aaf02b564e6cae2d2a590f9649330857d\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"e1eaea46bb4020b38a141b84f88565d4603f8dd0\", \"lessThan\": \"47388e807f85948eefc403a8a5fdc5b406a65d5a\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/tty/n_gsm.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"2.6.35\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"2.6.35\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"4.19.316\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.19.*\"}, {\"status\": \"unaffected\", \"version\": \"5.4.278\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.219\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.161\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.93\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.33\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.8.12\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.8.*\"}, {\"status\": \"unaffected\", \"version\": \"6.9.3\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.9.*\"}, {\"status\": \"unaffected\", \"version\": \"6.10\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/tty/n_gsm.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/9513d4148950b05bc99fa7314dc883cc0e1605e5\"}, {\"url\": \"https://git.kernel.org/stable/c/b229bc6c6ea9fe459fc3fa94fd0a27a2f32aca56\"}, {\"url\": \"https://git.kernel.org/stable/c/0fb736c9931e02dbc7d9a75044c8e1c039e50f04\"}, {\"url\": \"https://git.kernel.org/stable/c/4c267110fc110390704cc065edb9817fdd10ff54\"}, {\"url\": \"https://git.kernel.org/stable/c/46f52c89a7e7d2691b97a9728e4591d071ca8abc\"}, {\"url\": \"https://git.kernel.org/stable/c/774d83b008eccb1c48c14dc5486e7aa255731350\"}, {\"url\": \"https://git.kernel.org/stable/c/f126ce7305fe88f49cdabc6db4168b9318898ea3\"}, {\"url\": \"https://git.kernel.org/stable/c/b890d45aaf02b564e6cae2d2a590f9649330857d\"}, {\"url\": \"https://git.kernel.org/stable/c/47388e807f85948eefc403a8a5fdc5b406a65d5a\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\ntty: n_gsm: fix possible out-of-bounds in gsm0_receive()\\n\\nAssuming the following:\\n- side A configures the n_gsm in basic option mode\\n- side B sends the header of a basic option mode frame with data length 1\\n- side A switches to advanced option mode\\n- side B sends 2 data bytes which exceeds gsm-\u003elen\\n  Reason: gsm-\u003elen is not used in advanced option mode.\\n- side A switches to basic option mode\\n- side B keeps sending until gsm0_receive() writes past gsm-\u003ebuf\\n  Reason: Neither gsm-\u003estate nor gsm-\u003elen have been reset after\\n  reconfiguration.\\n\\nFix this by changing gsm-\u003ecount to gsm-\u003elen comparison from equal to less\\nthan. Also add upper limit checks against the constant MAX_MRU in\\ngsm0_receive() and gsm1_receive() to harden against memory corruption of\\ngsm-\u003elen and gsm-\u003emru.\\n\\nAll other checks remain as we still need to limit the data according to the\\nuser configuration and actual payload size.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.316\", \"versionStartIncluding\": \"2.6.35\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.278\", \"versionStartIncluding\": \"2.6.35\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.219\", \"versionStartIncluding\": \"2.6.35\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.161\", \"versionStartIncluding\": \"2.6.35\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.93\", \"versionStartIncluding\": \"2.6.35\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.33\", \"versionStartIncluding\": \"2.6.35\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.8.12\", \"versionStartIncluding\": \"2.6.35\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.9.3\", \"versionStartIncluding\": \"2.6.35\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.10\", \"versionStartIncluding\": \"2.6.35\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T09:10:38.690Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-36016\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-11-04T17:20:57.711Z\", \"dateReserved\": \"2024-05-17T13:50:33.154Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-29T18:46:34.778Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Taxonomy of the tags.




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.