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CVE-2024-47735

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

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.10.227, 5.15.168, 6.1.113, 6.6.54, 6.10.13, and 1 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

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]

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • Linux Linux

    From 9a4435375cd151e07c0c38fa601b00115986091b · fixed in 07f0f643d7e570dbe8ef6f5c3367a43e3086a335; From 9a4435375cd151e07c0c38fa601b00115986091b · fixed in 29c0f546d3fd66238b42cf25bcd5f193bb1cf794; From 9a4435375cd151e07c0c38fa601b00115986091b · fixed in 425589d4af09c49574bd71ac31f811362a5126c3; From 9a4435375cd151e07c0c38fa601b00115986091b · fixed in 094a1821903f33fb91de4b71087773ee16aeb3a0; From 9a4435375cd151e07c0c38fa601b00115986091b · fixed in 2656336a84fcb6802f6e6c233f4661891deea24f; From 9a4435375cd151e07c0c38fa601b00115986091b · fixed in a1a3403bb1826c8ec787f0d60c3e7b54f419129e; From 9a4435375cd151e07c0c38fa601b00115986091b · fixed in 74d315b5af180220d561684d15897730135733a6

  • Linux Linux

    4.9

  • KernelLinux

    From 4.9.0 · fixed in 5.10.227; From 5.11.0 · fixed in 5.15.168; From 5.16.0 · fixed in 6.1.113; From 6.2.0 · fixed in 6.6.54; From 6.7.0 · fixed in 6.10.13; From 6.11.0 · fixed in 6.11.2

References 7

git.kernel.org