CVE-2023-53528

RDMA/rxe: Fix unsafe drain work queue code

MEDIUM
5.5
CVSS Score
Published: October 1, 2025 at 11:46 AM UTC
Updated: June 17, 2026 at 06:45 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.1%

Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix unsafe drain work queue code If create_qp does not fully succeed it is possible for qp cleanup code to attempt to drain the send or recv work queues before the queues have been created causing a seg fault. This patch checks to see if the queues exist before attempting to drain them.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

6.4 ≤ v < 6.4.166.4 ≤ v < 6.5.36.4 ≤ v < 6.66.5 ≤ v < 6.5.349dc9c1f0c7e396654a31a480328fffd902fa4946.4
Vendor states this is fixed in 5993b75d0bc71cd2b441d174b028fc36180f032c (fixed)
Vendor states this is fixed in d366642b3099bd322375f5b71ba84ab1d586cd6d (fixed)
Vendor states this is fixed in da572f6313aeead1f79e0810666bd8d8ffc794d4 (fixed)
Vendor states this is fixed in 6.4 (unaffected)
Vendor states this is fixed in 6.4.16 (unaffected)
Vendor states this is fixed in 6.5.3 (unaffected)
Vendor states this is fixed in 6.6 (unaffected)

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
NVD-CWE-noinfo

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