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CVE-2024-46829

In the Linux kernel, the following vulnerability has been resolved: rtmutex: Drop rt_mutex::wait_lock before scheduling rt_mutex_handle_deadlock() is called wi…

Impact

In the Linux kernel, the following vulnerability has been resolved: rtmutex: Drop rt_mutex::wait_lock before scheduling rt_mutex_handle_deadlock() is called with rt_mutex::wait_lock held. In the good case it returns with the lock held and in the deadlock case it emits a warning and goes into an endless scheduling loop with the lock held, which triggers the 'scheduling in atomic' warning. Unlock rt_mutex::wait_lock in the dead lock case before issuing the warning and dropping into the schedule for ever loop. [ tglx: Moved unlock before the WARN(), removed the pointless comment, massaged changelog, added Fixes tag ]

Affected products

VendorProductAffected versions
LinuxLinux Kernel
from 3.2.61 before 3.3
from 3.4.99 before 3.5
from 3.10.49 before 3.11
from 3.12.25 before 3.13
from 3.14.10 before 3.15
from 3.15.3 before 3.16

Weakness classification

CWE-667

References