Riskcovery

CVE-2024-43850

soc: qcom: icc-bwmon: Fix refcount imbalance seen during bwmon_remove

State
Published
Severity
Not scored
Published
Aug 17, 2024
Updated
Oct 30, 2026
Reserved
Aug 17, 2024

Read the record on cve.org

Description

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

soc: qcom: icc-bwmon: Fix refcount imbalance seen during bwmon_remove

The following warning is seen during bwmon_remove due to refcount imbalance, fix this by releasing the OPPs after use.

Logs: WARNING: at drivers/opp/core.c:1640 _opp_table_kref_release+0x150/0x158 Hardware name: Qualcomm Technologies, Inc. X1E80100 CRD (DT) ... Call trace: _opp_table_kref_release+0x150/0x158 dev_pm_opp_remove_table+0x100/0x1b4 devm_pm_opp_of_table_release+0x10/0x1c devm_action_release+0x14/0x20 devres_release_all+0xa4/0x104 device_unbind_cleanup+0x18/0x60 device_release_driver_internal+0x1ec/0x228 driver_detach+0x50/0x98 bus_remove_driver+0x6c/0xbc driver_unregister+0x30/0x60 platform_driver_unregister+0x14/0x20 bwmon_driver_exit+0x18/0x524 [icc_bwmon] __arm64_sys_delete_module+0x184/0x264 invoke_syscall+0x48/0x118 el0_svc_common.constprop.0+0xc8/0xe8 do_el0_svc+0x20/0x2c el0_svc+0x34/0xdc el0t_64_sync_handler+0x13c/0x158 el0t_64_sync+0x190/0x194 --[ end trace 0000000000000000 ]---

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • b9c2ae6cac403dee3195fda9eb28d8ee733b225b to before 8bbcd84133e16e8f87d6765681639e2210d4be69Affected
  • b9c2ae6cac403dee3195fda9eb28d8ee733b225b to before aad41f4c169bcb800ae88123799bdf8cdec3d366Affected
  • b9c2ae6cac403dee3195fda9eb28d8ee733b225b to before 4100d4d019f8e140be1d4d3a9d8d93c1285f5d1cAffected
  • b9c2ae6cac403dee3195fda9eb28d8ee733b225b to before 24086640ab39396eb1a92d1cb1cd2f31b2677c52Affected
LinuxLinux
  • 6.0Affected
  • before 6.0Not affected
  • 6.1.191 through 6.1.*Not affected
  • 6.6.44 through 6.6.*Not affected
  • 6.10.3 through 6.10.*Not affected
  • 6.11 and laterNot affected

References

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