CVE-2023-54242

CVE-2023-54242 affects the Linux kernel in the block bfq I/O elevator. The issue is a division by zero when the weighted sum (wsum) equals zero, causing an invalid calculation of the limit during bfq_limit_depth. The vulnerability could trigger a divide error as observed in a stress-ng stress tes...

kernel: blk-rq-qos: fix crash on rq_qos_wait vs. rq_qos_wake_function race

In the Linux kernel, the following vulnerability has been resolved: blk-rq-qos: fix crash on rqqoswait vs. rqqoswakefunction race We're seeing crashes from rqqoswakefunction that look like this: BUG: unable to handle page fault for address: ffffafe180a40084 PF: supervisor write access in kernel...