CVE-2024-47735

MediumCVSS 5.5/10Last modified Oct 15, 2026

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+0x34/0x50 hns_roce_register_device+0x174/0x3d0 [hns_roce_hw_v2] hns_roce_init+0xfc/0x2c0 [hns_roce_hw_v2] __hns_roce_hw_v2_init_instance+0x7c/0x1d0 [hns_roce_hw_v2] hns_roce_hw_v2_init_instance+0x9c/0x180 [hns_roce_hw_v2]

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-667

Affected software

No affected versions have been published.

Timeline

Published
Oct 21, 2024
Last modified
Oct 15, 2026
NVD status
Modified

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CVE-2024-47735: Medium severity, CVSS 5.5 | Vulnix