CVE-2023-53528

MEDIUM

Linux Kernel - Null Pointer Dereference in RDMA/rxe QP Cleanup

Title source: llm

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.

References (3)

Core 3

Core References

Patch

https://git.kernel.org/stable/c/da572f6313aeead1f79e0810666bd8d8ffc794d4

Patch

https://git.kernel.org/stable/c/d366642b3099bd322375f5b71ba84ab1d586cd6d

Patch

https://git.kernel.org/stable/c/5993b75d0bc71cd2b441d174b028fc36180f032c

Scores

CVSS v3 5.5

EPSS 0.0013

EPSS Percentile 3.3%

Attack Vector LOCAL

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

Details

Status published

Products (11)

linux/Kernel 6.4.0 - 6.4.16linux

linux/Kernel 6.5.0 - 6.5.3linux

Linux/Linux < 6.4

Linux/Linux 49dc9c1f0c7e396654a31a480328fffd902fa494 - 5993b75d0bc71cd2b441d174b028fc36180f032c

Linux/Linux 49dc9c1f0c7e396654a31a480328fffd902fa494 - d366642b3099bd322375f5b71ba84ab1d586cd6d

Linux/Linux 49dc9c1f0c7e396654a31a480328fffd902fa494 - da572f6313aeead1f79e0810666bd8d8ffc794d4

Linux/Linux 6.4

Linux/Linux 6.4.16 - 6.4.*

Linux/Linux 6.5.3 - 6.5.*

Linux/Linux 6.6

... and 1 more

Published Oct 01, 2025

Tracked Since Feb 18, 2026