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CVE-2024-47735

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fix spin_unlock_irqrestore() called with IRQs enabled Fix missuse of spin_lock_irq()/spin_unlock_irq() when spin_lock…

Published Oct 21, 2024CWE-667EPSS 0.19%

Overview

CVE-2024-47735 is a medium-severity vulnerability. It was published on October 21, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

RDMA/hns: Fix spin_unlock_irqrestore() called with IRQs enabled

Fix missuse of spin_lock_irq()/spin_unlock_irq() when

spin_lock_irqsave()/spin_lock_irqrestore() was hold.

This was discovered through the lock debugging, and the corresponding

log is as follows:

raw_local_irq_restore() called with IRQs enabled

WARNING: CPU: 96 PID: 2074 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x30/0x40

...

Call trace:

warn_bogus_irq_restore+0x30/0x40

_raw_spin_unlock_irqrestore+0x84/0xc8

add_qp_to_list+0x11c/0x148 [hns_roce_hw_v2]

hns_roce_create_qp_common.constprop.0+0x240/0x780 [hns_roce_hw_v2]

hns_roce_create_qp+0x98/0x160 [hns_roce_hw_v2]

create_qp+0x138/0x258

ib_create_qp_kernel+0x50/0xe8

create_mad_qp+0xa8/0x128

ib_mad_port_open+0x218/0x448

ib_mad_init_device+0x70/0x1f8

add_client_context+0xfc/0x220

enable_device_and_get+0xd0/0x140

ib_register_device.part.0+0xf4/0x1c8

ib_register_device+0x34/0x5

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/07f0f643d7e570dbe8ef6f5c3367a43e3086a335Refgit.kernel.org/stable/c/094a1821903f33fb91de4b71087773ee16aeb3a0Refgit.kernel.org/stable/c/2656336a84fcb6802f6e6c233f4661891deea24fRefgit.kernel.org/stable/c/29c0f546d3fd66238b42cf25bcd5f193bb1cf794Refgit.kernel.org/stable/c/425589d4af09c49574bd71ac31f811362a5126c3Refgit.kernel.org/stable/c/74d315b5af180220d561684d15897730135733a6Refgit.kernel.org/stable/c/a1a3403bb1826c8ec787f0d60c3e7b54f419129eReflists.debian.org/debian-lts-announce/2025/01/msg00001.htmlReflists.debian.org/debian-lts-announce/2025/03/msg00002.htmlRefcert-portal.siemens.com/productcert/html/ssa-265688.html

How CyberStrike helps

Frequently asked questions

What is CVE-2024-47735?

CVE-2024-47735 is a medium-severity vulnerability. It was published on October 21, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-47735?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2024-47735?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2024-47735?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-47735 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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