Linux kernel resource management error vulnerability (CNVD-2019-44742)

Linux kernel is the kernel used by Linux, the open source operating system released by the Linux Foundation in the United States. A resource management error vulnerability exists in the 'trymergefreespace' function in the fs/btrfs/free-space-cache.c file in Linux kernel versions 5.0.21 and 5.3.11...

DEBIAN-CVE-2019-19448

In the Linux kernel 5.0.21 and 5.3.11, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a use-after-free in trymergefreespace in fs/btrfs/free-space-cache.c because the pointer to a left data structure can be the same as the...

UBUNTU-CVE-2019-19448

In the Linux kernel 5.0.21 and 5.3.11, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a use-after-free in trymergefreespace in fs/btrfs/free-space-cache.c because the pointer to a left data structure can be the same as the...

PT-2019-4484 · Linux +2 · Linux Kernel +2

Name of the Vulnerable Software and Affected Versions: Linux kernel versions 5.0.21 and 5.3.11 Description: The issue is related to the use of memory after it has been freed in the try merge free space function of the Linux kernel, specifically in the fs/btrfs/free-space-cache.c file. This can be...