CVE-2024-43862

In the Linux kernel, the following vulnerability has been resolved: net: wan: fslqmchdlc: Convert carrierlock spinlock to a mutex The carrierlock spinlock protects the carrier detection. While it is held, framergetstatus is called which in turn takes a mutex. This is not correct and can lead to a...

CVE-2024-43862

In the Linux kernel, the following vulnerability has been resolved: net: wan: fslqmchdlc: Convert carrierlock spinlock to a mutex The carrierlock spinlock protects the carrier detection. While it is held, framergetstatus is called which in turn takes a mutex. This is not correct and can lead to a...

CVE-2024-43862

CVE-2024-43862 affects the Linux kernel’s net: wan: fsl_qmc_hdlc component. The root cause is using a spinlock (carrier_lock) to protect carrier detection while framer_get_status() may take a mutex, creating a potential deadlock. The issue is addressed by converting carrier_lock from a spinlock t...