Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from an uninitialized bdev pointer in the VRAM manager, which could lead to a null pointer dereference...

DEBIAN-CVE-2021-20196

A NULL pointer dereference flaw was found in the floppy disk emulator of QEMU. This issue occurs while processing read/write ioport commands if the selected floppy drive is not initialized with a block device. This flaw allows a privileged guest user to crash the QEMU process on the host, resulti...

PT-2021-7363

Name of the Vulnerable Software and Affected Versions QEMU affected versions not specified Description The issue is related to a NULL pointer dereference flaw in the floppy disk emulator of QEMU. This flaw occurs when processing read/write ioport commands if the selected floppy drive is not...