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CVE-2024-50134 (GCVE-0-2024-50134)

Vulnerability from cvelistv5 – Published: 2024-11-05 17:10 – Updated: 2026-05-12 12:00
VLAI
Title
drm/vboxvideo: Replace fake VLA at end of vbva_mouse_pointer_shape with real VLA
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/vboxvideo: Replace fake VLA at end of vbva_mouse_pointer_shape with real VLA Replace the fake VLA at end of the vbva_mouse_pointer_shape shape with a real VLA to fix a "memcpy: detected field-spanning write error" warning: [ 13.319813] memcpy: detected field-spanning write (size 16896) of single field "p->data" at drivers/gpu/drm/vboxvideo/hgsmi_base.c:154 (size 4) [ 13.319841] WARNING: CPU: 0 PID: 1105 at drivers/gpu/drm/vboxvideo/hgsmi_base.c:154 hgsmi_update_pointer_shape+0x192/0x1c0 [vboxvideo] [ 13.320038] Call Trace: [ 13.320173] hgsmi_update_pointer_shape [vboxvideo] [ 13.320184] vbox_cursor_atomic_update [vboxvideo] Note as mentioned in the added comment it seems the original length calculation for the allocated and send hgsmi buffer is 4 bytes too large. Changing this is not the goal of this patch, so this behavior is kept.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: dd55d44f408419278c00887bfcb2261d0caae350 , < 02c86c5d5ef4bbba17d38859c74872825f536617 (git)
Affected: dd55d44f408419278c00887bfcb2261d0caae350 , < 75f828e944dacaac8870418461d3d48a1ecf2331 (git)
Affected: dd55d44f408419278c00887bfcb2261d0caae350 , < 34a422274b693507025a7db21519865d1862afcb (git)
Affected: dd55d44f408419278c00887bfcb2261d0caae350 , < 7458a6cdaebb3dc59af8578ee354fae78a154c4a (git)
Affected: dd55d44f408419278c00887bfcb2261d0caae350 , < 9eb32bd23bbcec44bcbef27b7f282b7a7f3d0391 (git)
Affected: dd55d44f408419278c00887bfcb2261d0caae350 , < fae9dc12c61ce23cf29d09824a741b7b1ff8f01f (git)
Affected: dd55d44f408419278c00887bfcb2261d0caae350 , < d92b90f9a54d9300a6e883258e79f36dab53bfae (git)
guessed Create a notification for this product.
Linux Linux Affected: 4.13
Unaffected: 0 , < 4.13 (semver)
Unaffected: 5.4.285 , ≤ 5.4.* (semver)
Unaffected: 5.10.229 , ≤ 5.10.* (semver)
Unaffected: 5.15.170 , ≤ 5.15.* (semver)
Unaffected: 6.1.115 , ≤ 6.1.* (semver)
Unaffected: 6.6.59 , ≤ 6.6.* (semver)
Unaffected: 6.11.6 , ≤ 6.11.* (semver)
Unaffected: 6.12 , ≤ * (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.
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    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-50134\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-11-05T18:15:16.093\",\"lastModified\":\"2026-06-17T08:03:40.663\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/vboxvideo: Replace fake VLA at end of vbva_mouse_pointer_shape with real VLA\\n\\nReplace the fake VLA at end of the vbva_mouse_pointer_shape shape with\\na real VLA to fix a \\\"memcpy: detected field-spanning write error\\\" warning:\\n\\n[   13.319813] memcpy: detected field-spanning write (size 16896) of single field \\\"p-\u003edata\\\" at drivers/gpu/drm/vboxvideo/hgsmi_base.c:154 (size 4)\\n[   13.319841] WARNING: CPU: 0 PID: 1105 at drivers/gpu/drm/vboxvideo/hgsmi_base.c:154 hgsmi_update_pointer_shape+0x192/0x1c0 [vboxvideo]\\n[   13.320038] Call Trace:\\n[   13.320173]  hgsmi_update_pointer_shape [vboxvideo]\\n[   13.320184]  vbox_cursor_atomic_update [vboxvideo]\\n\\nNote as mentioned in the added comment it seems the original length\\ncalculation for the allocated and send hgsmi buffer is 4 bytes too large.\\nChanging this is not the goal of this patch, so this behavior is kept.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/vboxvideo: Reemplazar VLA falso al final de vbva_mouse_pointer_shape con VLA real Reemplace el VLA falso al final de la forma vbva_mouse_pointer_shape con un VLA real para corregir una advertencia \\\"memcpy: error de escritura que abarca el campo detectado\\\": [ 13.319813] memcpy: se detect\u00f3 una escritura que abarca el campo (tama\u00f1o 16896) de un solo campo \\\"p-\u0026gt;data\\\" en drivers/gpu/drm/vboxvideo/hgsmi_base.c:154 (tama\u00f1o 4) [ 13.319841] ADVERTENCIA: CPU: 0 PID: 1105 en drivers/gpu/drm/vboxvideo/hgsmi_base.c:154 hgsmi_update_pointer_shape+0x192/0x1c0 [vboxvideo] [ [13.320038] Seguimiento de llamadas: [13.320173] hgsmi_update_pointer_shape [vboxvideo] [13.320184] vbox_cursor_atomic_update [vboxvideo] Tenga en cuenta que, como se menciona en el comentario agregado, parece que el c\u00e1lculo de longitud original para el b\u00fafer hgsmi asignado y enviado es 4 bytes m\u00e1s grande. Cambiar esto no es el objetivo de este parche, por lo que se mantiene este comportamiento.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/gpu/drm/vboxvideo/hgsmi_base.c\",\"drivers/gpu/drm/vboxvideo/vboxvideo.h\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"dd55d44f408419278c00887bfcb2261d0caae350\",\"lessThan\":\"02c86c5d5ef4bbba17d38859c74872825f536617\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"dd55d44f408419278c00887bfcb2261d0caae350\",\"lessThan\":\"75f828e944dacaac8870418461d3d48a1ecf2331\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"dd55d44f408419278c00887bfcb2261d0caae350\",\"lessThan\":\"34a422274b693507025a7db21519865d1862afcb\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"dd55d44f408419278c00887bfcb2261d0caae350\",\"lessThan\":\"7458a6cdaebb3dc59af8578ee354fae78a154c4a\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"dd55d44f408419278c00887bfcb2261d0caae350\",\"lessThan\":\"9eb32bd23bbcec44bcbef27b7f282b7a7f3d0391\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"dd55d44f408419278c00887bfcb2261d0caae350\",\"lessThan\":\"fae9dc12c61ce23cf29d09824a741b7b1ff8f01f\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"dd55d44f408419278c00887bfcb2261d0caae350\",\"lessThan\":\"d92b90f9a54d9300a6e883258e79f36dab53bfae\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/gpu/drm/vboxvideo/hgsmi_base.c\",\"drivers/gpu/drm/vboxvideo/vboxvideo.h\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"4.13\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"4.13\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.4.285\",\"lessThanOrEqual\":\"5.4.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.229\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.170\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.115\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.59\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.11.6\",\"lessThanOrEqual\":\"6.11.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]},{\"source\":\"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e\",\"affectedData\":[{\"vendor\":\"Siemens\",\"product\":\"SIMATIC S7-1500 TM MFP - GNU/Linux subsystem\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"*\",\"versionType\":\"custom\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"5.15.170\",\"matchCriteriaId\":\"C30547DB-040F-4F1C-B663-7B90865317E2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.115\",\"matchCriteriaId\":\"C08A77A6-E42E-4EFD-B5A1-2BF6CBBB42AE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.59\",\"matchCriteriaId\":\"5D15CA59-D15C-4ACD-8B03-A072DEAD2081\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.11.6\",\"matchCriteriaId\":\"E4486B12-007B-4794-9857-F07145637AA1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"7F361E1D-580F-4A2D-A509-7615F73167A1\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/02c86c5d5ef4bbba17d38859c74872825f536617\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/34a422274b693507025a7db21519865d1862afcb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/7458a6cdaebb3dc59af8578ee354fae78a154c4a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/75f828e944dacaac8870418461d3d48a1ecf2331\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/9eb32bd23bbcec44bcbef27b7f282b7a7f3d0391\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/d92b90f9a54d9300a6e883258e79f36dab53bfae\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/fae9dc12c61ce23cf29d09824a741b7b1ff8f01f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://cert-portal.siemens.com/productcert/html/ssa-265688.html\",\"source\":\"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e\"}]}}",
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2025-11-21T13:48:59+00:00",
      "cve": "CVE-2024-50134",
      "id": "CVE-2024-50134",
      "initial_release_date": "2024-11-05T00:00:00+00:00",
      "product_status:known_affected": "48",
      "product_status:known_not_affected": "150",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: drm/vboxvideo: Replace fake VLA at end of vbva_mouse_pointer_shape with real VLA",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-50134.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-11T02:11:38Z",
      "cve": "CVE-2024-50134",
      "id": "CVE-2024-50134",
      "initial_release_date": "2024-11-06T03:48:39Z",
      "product_status:known_affected": "504",
      "product_status:known_not_affected": "209",
      "product_status:recommended": "555",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-50134",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-50134.json",
      "version": "57"
    }
  }
}



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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

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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.