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 ]—
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 24.04 | noarch | linux | < any | UNKNOWN |
ubuntu | 24.04 | noarch | linux-aws | < any | UNKNOWN |
ubuntu | 24.04 | noarch | linux-azure | < any | UNKNOWN |
ubuntu | 24.04 | noarch | linux-gcp | < any | UNKNOWN |
ubuntu | 24.04 | noarch | linux-gke | < any | UNKNOWN |
ubuntu | 22.04 | noarch | linux-hwe-6.8 | < any | UNKNOWN |
ubuntu | 24.04 | noarch | linux-ibm | < any | UNKNOWN |
ubuntu | 24.04 | noarch | linux-intel | < any | UNKNOWN |
ubuntu | 24.04 | noarch | linux-lowlatency | < any | UNKNOWN |
ubuntu | 22.04 | noarch | linux-lowlatency-hwe-6.8 | < any | UNKNOWN |
git.kernel.org/linus/24086640ab39396eb1a92d1cb1cd2f31b2677c52 (6.11-rc1)
git.kernel.org/stable/c/24086640ab39396eb1a92d1cb1cd2f31b2677c52
git.kernel.org/stable/c/4100d4d019f8e140be1d4d3a9d8d93c1285f5d1c
git.kernel.org/stable/c/aad41f4c169bcb800ae88123799bdf8cdec3d366
launchpad.net/bugs/cve/CVE-2024-43850
nvd.nist.gov/vuln/detail/CVE-2024-43850
security-tracker.debian.org/tracker/CVE-2024-43850
www.cve.org/CVERecord?id=CVE-2024-43850