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CVE-2024-35823 (GCVE-0-2024-35823)

Vulnerability from cvelistv5 – Published: 2024-05-17 13:23 – Updated: 2026-05-12 11:52
VLAI
Title
vt: fix unicode buffer corruption when deleting characters
Summary
In the Linux kernel, the following vulnerability has been resolved: vt: fix unicode buffer corruption when deleting characters This is the same issue that was fixed for the VGA text buffer in commit 39cdb68c64d8 ("vt: fix memory overlapping when deleting chars in the buffer"). The cure is also the same i.e. replace memcpy() with memmove() due to the overlaping buffers.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-05-17 15:14 UTC
CWE
  • CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 81732c3b2fede049a692e58a7ceabb6d18ffb18c , < fc7dfe3d123f00e720be80b920da287810a1f37d (git)
Affected: 81732c3b2fede049a692e58a7ceabb6d18ffb18c , < ff7342090c1e8c5a37015c89822a68b275b46f8a (git)
Affected: 81732c3b2fede049a692e58a7ceabb6d18ffb18c , < 1ce408f75ccf1e25b3fddef75cca878b55f2ac90 (git)
Affected: 81732c3b2fede049a692e58a7ceabb6d18ffb18c , < 0190d19d7651c08abc187dac3819c61b726e7e3f (git)
Affected: 81732c3b2fede049a692e58a7ceabb6d18ffb18c , < 994a1e583c0c206c8ca7d03334a65b79f4d8bc51 (git)
Affected: 81732c3b2fede049a692e58a7ceabb6d18ffb18c , < 7529cbd8b5f6697b369803fe1533612c039cabda (git)
Affected: 81732c3b2fede049a692e58a7ceabb6d18ffb18c , < 2933b1e4757a0a5c689cf48d80b1a2a85f237ff1 (git)
Affected: 81732c3b2fede049a692e58a7ceabb6d18ffb18c , < 1581dafaf0d34bc9c428a794a22110d7046d186d (git)
guessed Create a notification for this product.
Linux Linux Affected: 3.7
Unaffected: 0 , < 3.7 (semver)
Unaffected: 4.19.312 , ≤ 4.19.* (semver)
Unaffected: 5.4.274 , ≤ 5.4.* (semver)
Unaffected: 5.10.215 , ≤ 5.10.* (semver)
Unaffected: 5.15.154 , ≤ 5.15.* (semver)
Unaffected: 6.1.84 , ≤ 6.1.* (semver)
Unaffected: 6.6.24 , ≤ 6.6.* (semver)
Unaffected: 6.7.12 , ≤ 6.7.* (semver)
Unaffected: 6.8 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem Affected: 0 , < * (custom)
guessed Create a notification for this product.
Show details on NVD website
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      "url": "https://msrc.microsoft.com/csaf/vex/2024/msrc_cve-2024-35823.json",
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Este es el mismo problema que se solucion\u00f3 para el b\u00fafer de texto VGA en la confirmaci\u00f3n 39cdb68c64d8 (\\\"vt: corrige la superposici\u00f3n de memoria al eliminar caracteres en el b\u00fafer \\\"). 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      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: vt: fix unicode buffer corruption when deleting characters",
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      "product_status:known_not_affected": "57",
      "product_status:recommended": "719",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-35823",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-35823.json",
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The cure is also the same i.e. replace memcpy() with memmove()\\ndue to the overlaping buffers.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.312\", \"versionStartIncluding\": \"3.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.274\", \"versionStartIncluding\": \"3.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.215\", \"versionStartIncluding\": \"3.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.154\", \"versionStartIncluding\": \"3.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.84\", \"versionStartIncluding\": \"3.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.24\", \"versionStartIncluding\": \"3.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.7.12\", \"versionStartIncluding\": \"3.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.8\", \"versionStartIncluding\": \"3.7\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T20:11:40.928Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-35823\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T20:11:40.928Z\", \"dateReserved\": \"2024-05-17T12:19:12.346Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-17T13:23:25.651Z\", \"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.