drm/xe: Fix dma-buf attachment leak in xe_gem_prime_import()

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Summary

CVECVE-2026-46201
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-28 10:16:35 UTC
Updated2026-05-30 11:17:26 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: drm/xe: Fix dma-buf attachment leak in xe_gem_prime_import() When xe_dma_buf_init_obj() fails, the attachment from dma_buf_dynamic_attach() is not detached. Add dma_buf_detach() before returning the error. Note: we cannot use goto out_err here because xe_dma_buf_init_obj() already frees bo on failure, and out_err would double-free it. (cherry picked from commit a828eb185aac41800df8eae4b60501ccc0dbbe51)

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from 416baaa9-dc9f-4396-8d5f-8c081fb06d67

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

EPSS: 0.000180000 probability, percentile 0.049190000 (date 2026-05-29)

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

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected dd08ebf6c3525a7ea2186e636df064ea47281987 d394669e194936d7ce15284a24a5ae334c4c5b74 git Not specified
CNA Linux Linux affected dd08ebf6c3525a7ea2186e636df064ea47281987 0afa8b1ef582ecf6fb04097fd356f8741e5005ed git Not specified
CNA Linux Linux affected dd08ebf6c3525a7ea2186e636df064ea47281987 eea1e10f8d99c0f04deef707c99705b94bba3b78 git Not specified
CNA Linux Linux affected dd08ebf6c3525a7ea2186e636df064ea47281987 111ab678471bf1f90d078d5513bb086b70596c3c git Not specified
CNA Linux Linux affected 6.8 Not specified
CNA Linux Linux unaffected 6.8 semver Not specified
CNA Linux Linux unaffected 6.12.90 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.32 6.18.* semver Not specified
CNA Linux Linux unaffected 7.0.9 7.0.* semver Not specified
CNA Linux Linux unaffected 7.1-rc2 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/d394669e194936d7ce15284a24a5ae334c4c5b74 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/eea1e10f8d99c0f04deef707c99705b94bba3b78 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/0afa8b1ef582ecf6fb04097fd356f8741e5005ed 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/111ab678471bf1f90d078d5513bb086b70596c3c 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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