CVE-2023-52774

In the Linux kernel, the following vulnerability has been resolved: s390/dasd: protect device queue against concurrent access In dasdprofilestart the amount of requests on the device queue are counted. The access to the device queue is unprotected against concurrent access. With a lot of parallel...

CVE-2023-52774

CVE-2023-52774 : In the Linux kernel (s390/dasd), the device queue could be accessed concurrently in dasd_profile_start(), allowing the queue to change while it is being read; this could trigger a kernel panic due to invalid pointer accesses when I/O is highly parallel (aliases). The root cause i...

qemu ioport array overflow

ISSUE DESCRIPTION The code in qemu which implements ioport read/write looks up the specified ioport address in a dispatch table. The argument to the dispatch function is a uint32t, and is used without a range check, even though the table has entries for only 2^16 ioports. When qemu is used as a...