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In the Linux kernel, the following vulnerability has been resolved: RDMA/erdma: complete object teardown when the destroy command fails… (CVE-2026-92488)

0
High
Published: 09/17/2026 (09/17/2026, 18:32:06 UTC)
Source: GCVE Database

Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/erdma: complete object teardown when the destroy command fails erdma_destroy_qp(), erdma_destroy_cq(), erdma_dereg_mr(), and erdma_destroy_ah() returned early when erdma_post_cmd_wait() failed, leaking the queue buffers, MTTs, doorbells and the STAG, QPN, CQN and AHN identifiers. A command timeout clears ERDMA_CMDQ_STATE_OK_BIT and permanently disables the command queue, so no retry can succeed; the RDMA core keeps the object after a failed destructor and forced uverbs cleanup then nulls the pointers, making the resources unreachable. Warn on failure but release every software-owned resource and return success, since during terminal destruction the hardware command result is only diagnostic.

CVSS v3.1

Score 7.0high

Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Technical Details

Gcve Source
db.gcve.eu
Osv Id
GHSA-rcjj-6j56-f2wh
Osv Schema Version
1.4.0
Aliases
["CVE-2026-92488"]
Database Specific Severity
HIGH
Cvss Version
3.1

Threat ID: 6aade51a55bf5e2cf5edc049

Added to database: 09/19/2026, 01:27:54 UTC

Last updated: 09/19/2026, 01:27:54 UTC

Views: 1

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