CVE-2024-43850 soc: qcom: icc-bwmon: Fix refcount imbalance seen during bwmon_remove
- Exploited in the wild
- Not known
- Fix
- Available
What is CVE-2024-43850?
CVE-2024-43850 is a medium-severity vulnerability in Linux kernel, published on 17 Aug 2024.
Official 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 ]---
Which versions are affected by CVE-2024-43850?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-43850?
Upgrade to a fixed version.
Is CVE-2024-43850 being exploited?
There is no known exploitation of CVE-2024-43850 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2024-43850, DEBIAN-CVE-2024-43850, GHSA-cgvv-qq38-92ch, ROOT-OS-DEBIAN-12-CVE-2024-43850, UBUNTU-CVE-2024-43850.