RDMA/efa: Fix wrong resources deallocation order

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2023-54201
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-12-30 13:16:08 UTC
Updated2026-10-28 19:10:00 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: RDMA/efa: Fix wrong resources deallocation order When trying to destroy QP or CQ, we first decrease the refcount and potentially free memory regions allocated for the object and then request the device to destroy the object. If the device fails, the object isn't fully destroyed so the user/IB core can try to destroy the object again which will lead to underflow when trying to decrease an already zeroed refcount. Deallocate resources in reverse order of allocating them to safely free them.

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: 0.001540000 probability, percentile 0.044890000 (date 2026-10-28)

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 ff6629f88c529b07d9704c656c64dae76910e3e9 cf38960386f3cc4abf395e556af915e4babcafd2 git Not specified
CNA Linux Linux affected ff6629f88c529b07d9704c656c64dae76910e3e9 e79db2f51a564fd4daa3e508b987df5e81c34b20 git Not specified
CNA Linux Linux affected ff6629f88c529b07d9704c656c64dae76910e3e9 24f9884971f9b34915b67baacf7350a3f6f19ea4 git Not specified
CNA Linux Linux affected ff6629f88c529b07d9704c656c64dae76910e3e9 dc202c57e9a1423aed528e4b8dc949509cd32191 git Not specified
CNA Linux Linux affected 5.7 Not specified
CNA Linux Linux unaffected 5.7 semver Not specified
CNA Linux Linux unaffected 6.1.53 6.1.* semver Not specified
CNA Linux Linux unaffected 6.4.16 6.4.* semver Not specified
CNA Linux Linux unaffected 6.5.3 6.5.* semver Not specified
CNA Linux Linux unaffected 6.6 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/24f9884971f9b34915b67baacf7350a3f6f19ea4 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/dc202c57e9a1423aed528e4b8dc949509cd32191 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/e79db2f51a564fd4daa3e508b987df5e81c34b20 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/cf38960386f3cc4abf395e556af915e4babcafd2 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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