5 matches found
CVE-2026-58094 TOCTOU race in POSIX shared memory large page configuration
The FIOSSHMLPGCNF ioctl2 operation configures the page size for a largepage shared memory object. This is intended to be used immediately after creating the object, before any memory is allocated for the object. The handler checked whether a page size had already been configured without holding t...
XNU - POSIX Shared Memory Mappings have Incorrect Maximum Protection
XNU - POSIX Shared Memory Mappings have Incorrect Maximum Protection When the mmap syscall is invoked on a POSIX shared memory segment DTYPEPSXSHM, pshmmmap maps the shared memory segment's pages into the address space of the calling process. It does this with the following code: int prot =...
Design/Logic Flaw
The SharedMemory::Create function in memory/sharedmemoryposix.cc in Google Chrome before 29.0.1547.57 uses weak permissions under /dev/shm/, which allows attackers to obtain sensitive information via direct access to a POSIX shared-memory file...
CVE-2013-2905
The SharedMemory::Create function in memory/sharedmemoryposix.cc in Google Chrome before 29.0.1547.57 uses weak permissions under /dev/shm/, which allows attackers to obtain sensitive information via direct access to a POSIX shared-memory file...