kernel: race condition in snd_seq_write() may lead to UAF or OOB-access

ALSA sequencer core initializes the event pool on demand by invoking sndseqpoolinit when the first write happens and the pool is empty. A user can reset the pool size manually via ioctl concurrently, and this may lead to UAF or out-of-bound access...

Scientific Linux Security Update : kernel on SL7.x x86_64 (20180814) (Foreshadow)

Security Fixes : - Modern operating systems implement virtualization of physical memory to efficiently use available system resources and provide inter-domain protection through access control and isolation. The L1TF issue was found in the way the x86 microprocessor designs have implemented...

kernel: race condition in snd_seq_write() may lead to UAF or OOB-access

ALSA sequencer core initializes the event pool on demand by invoking sndseqpoolinit when the first write happens and the pool is empty. A user can reset the pool size manually via ioctl concurrently, and this may lead to UAF or out-of-bound access...