XNU Missing Locking Race Condition

XNU: missing locking in checkdirscallback enables race with fchdircommon On macOS, when a new mount point is created, the kernel uses checkdirs to, as a comment above the function explains: "Scan all active processes to see if any of them have a current or root directory onto which the new...

macOS XNU - Missing Locking in checkdirs_callback() Enables Race with fchdir_common()

On macOS, when a new mount point is created, the kernel uses checkdirs to, as a comment above the function explains: "Scan all active processes to see if any of them have a current or root directory onto which the new filesystem has just been mounted. If so, replace them with the new mount point....

Linux - Missing Locking in Siemens R3964 Line Discipline Race Condition

Linux - Missing Locking in Siemens R3964 Line Discipline Race Condition / The Siemens R3964 line discipline code in drivers/tty/nr3964.c has a few races around its ioctl handler; for example, the handler for R3964ENABLESIGNALS just allocates and deletes elements in a linked list with zero locking...

CVE-2017-9705

In Android for MSM, Firefox OS for MSM, QRD Android, with all Android releases from CAF using the Linux kernel, concurrent rx notifications and read operations in the G-Link PKT driver can result in a double free condition due to missing locking resulting in listdel and listadd overlapping and...

CVE-2017-9705: Double Free

In Android for MSM, Firefox OS for MSM, QRD Android, with all Android releases from CAF using the Linux kernel, concurrent rx notifications and read operations in the G-Link PKT driver can result in a double free condition due to missing locking resulting in listdel and listadd overlapping and...