drm/vboxvideo: Replace fake VLA at end of vbva_mouse_pointer_shape with real VLA

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2024-50134
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-11-05 18:15:16 UTC
Updated2026-05-12 13:16:17 UTC
DescriptionIn 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.

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Problem Types: NVD-CWE-noinfo

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected dd55d44f408419278c00887bfcb2261d0caae350 02c86c5d5ef4bbba17d38859c74872825f536617 git Not specified
CNA Linux Linux affected dd55d44f408419278c00887bfcb2261d0caae350 75f828e944dacaac8870418461d3d48a1ecf2331 git Not specified
CNA Linux Linux affected dd55d44f408419278c00887bfcb2261d0caae350 34a422274b693507025a7db21519865d1862afcb git Not specified
CNA Linux Linux affected dd55d44f408419278c00887bfcb2261d0caae350 7458a6cdaebb3dc59af8578ee354fae78a154c4a git Not specified
CNA Linux Linux affected dd55d44f408419278c00887bfcb2261d0caae350 9eb32bd23bbcec44bcbef27b7f282b7a7f3d0391 git Not specified
CNA Linux Linux affected dd55d44f408419278c00887bfcb2261d0caae350 fae9dc12c61ce23cf29d09824a741b7b1ff8f01f git Not specified
CNA Linux Linux affected dd55d44f408419278c00887bfcb2261d0caae350 d92b90f9a54d9300a6e883258e79f36dab53bfae git Not specified
CNA Linux Linux affected 4.13 Not specified
CNA Linux Linux unaffected 4.13 semver Not specified
CNA Linux Linux unaffected 5.4.285 5.4.* semver Not specified
CNA Linux Linux unaffected 5.10.229 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.170 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.115 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.59 6.6.* semver Not specified
CNA Linux Linux unaffected 6.11.6 6.11.* semver Not specified
CNA Linux Linux unaffected 6.12 * original_commit_for_fix Not specified
ADP Siemens SIMATIC S7-1500 TM MFP - GNU/Linux Subsystem affected * custom Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/02c86c5d5ef4bbba17d38859c74872825f536617 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
lists.debian.org/debian-lts-announce/2025/03/msg00002.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org
git.kernel.org/stable/c/fae9dc12c61ce23cf29d09824a741b7b1ff8f01f 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/7458a6cdaebb3dc59af8578ee354fae78a154c4a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
cert-portal.siemens.com/productcert/html/ssa-265688.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
git.kernel.org/stable/c/d92b90f9a54d9300a6e883258e79f36dab53bfae 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/9eb32bd23bbcec44bcbef27b7f282b7a7f3d0391 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/34a422274b693507025a7db21519865d1862afcb 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/75f828e944dacaac8870418461d3d48a1ecf2331 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
lists.debian.org/debian-lts-announce/2025/01/msg00001.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org
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