drm/exynos: vidi: fix to avoid directly dereferencing user pointer

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Summary

CVECVE-2026-45958
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-27 14:17:12 UTC
Updated2026-05-30 11:17:16 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: drm/exynos: vidi: fix to avoid directly dereferencing user pointer In vidi_connection_ioctl(), vidi->edid(user pointer) is directly dereferenced in the kernel. This allows arbitrary kernel memory access from the user space, so instead of directly accessing the user pointer in the kernel, we should modify it to copy edid to kernel memory using copy_from_user() and use it.

Risk And Classification

Primary CVSS: v3.1 7.1 HIGH from 416baaa9-dc9f-4396-8d5f-8c081fb06d67

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

EPSS: 0.000120000 probability, percentile 0.018360000 (date 2026-06-01)

VersionSourceTypeScoreSeverityVector
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary7.1HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
3.1CNADECLARED7.1HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected b73d12303ecfc91123363d8900e127da44bf42a6 13537f7f6d28a87ee2e496e071b6ad9541905f23 git Not specified
CNA Linux Linux affected b73d12303ecfc91123363d8900e127da44bf42a6 c2914c0ca7557c6c5c845621cb6d6c9f26ab5a8c git Not specified
CNA Linux Linux affected b73d12303ecfc91123363d8900e127da44bf42a6 7efb6a4e6b1b523e744d17e6249757ed97caae7c git Not specified
CNA Linux Linux affected b73d12303ecfc91123363d8900e127da44bf42a6 2e147aa3169b83eaf044776f81d86235bf147de1 git Not specified
CNA Linux Linux affected b73d12303ecfc91123363d8900e127da44bf42a6 4c4193829109f38b2855de77981adc2e066286c7 git Not specified
CNA Linux Linux affected b73d12303ecfc91123363d8900e127da44bf42a6 4949e32387fe315b59ad5f422c9fc52836fbdd1e git Not specified
CNA Linux Linux affected b73d12303ecfc91123363d8900e127da44bf42a6 235d702b771416b8a61e81bb09ba39282e4268fd git Not specified
CNA Linux Linux affected b73d12303ecfc91123363d8900e127da44bf42a6 d4c98c077c7fb2dfdece7d605e694b5ea2665085 git Not specified
CNA Linux Linux affected 3.4 Not specified
CNA Linux Linux unaffected 3.4 semver Not specified
CNA Linux Linux unaffected 5.10.253 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.203 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.167 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.130 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.77 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.14 6.18.* semver Not specified
CNA Linux Linux unaffected 6.19.4 6.19.* semver Not specified
CNA Linux Linux unaffected 7.0 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/7efb6a4e6b1b523e744d17e6249757ed97caae7c 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/4c4193829109f38b2855de77981adc2e066286c7 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/d4c98c077c7fb2dfdece7d605e694b5ea2665085 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/235d702b771416b8a61e81bb09ba39282e4268fd 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/4949e32387fe315b59ad5f422c9fc52836fbdd1e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/c2914c0ca7557c6c5c845621cb6d6c9f26ab5a8c 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/2e147aa3169b83eaf044776f81d86235bf147de1 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/13537f7f6d28a87ee2e496e071b6ad9541905f23 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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