CVE-2024-47735

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

State
Published
Severity
Not scored
Published
Oct 21, 2024
Updated
Oct 15, 2026
Reserved
Sep 30, 2024

Read the record on cve.org

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]

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 9a4435375cd151e07c0c38fa601b00115986091b to before 07f0f643d7e570dbe8ef6f5c3367a43e3086a335Affected
  • 9a4435375cd151e07c0c38fa601b00115986091b to before 29c0f546d3fd66238b42cf25bcd5f193bb1cf794Affected
  • 9a4435375cd151e07c0c38fa601b00115986091b to before 425589d4af09c49574bd71ac31f811362a5126c3Affected
  • 9a4435375cd151e07c0c38fa601b00115986091b to before 094a1821903f33fb91de4b71087773ee16aeb3a0Affected
  • 9a4435375cd151e07c0c38fa601b00115986091b to before 2656336a84fcb6802f6e6c233f4661891deea24fAffected
  • 9a4435375cd151e07c0c38fa601b00115986091b to before a1a3403bb1826c8ec787f0d60c3e7b54f419129eAffected
  • 9a4435375cd151e07c0c38fa601b00115986091b to before 74d315b5af180220d561684d15897730135733a6Affected
LinuxLinux
  • 4.9Affected
  • before 4.9Not affected
  • 5.10.227 through 5.10.*Not affected
  • 5.15.168 through 5.15.*Not affected
  • 6.1.113 through 6.1.*Not affected
  • 6.6.54 through 6.6.*Not affected
  • 6.10.13 through 6.10.*Not affected
  • 6.11.2 through 6.11.*Not affected
  • 6.12 and laterNot affected

References

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