NetSight
high7.8

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 …

Impact

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 try_merge_free_space in fs/btrfs/free-space-cache.c because the pointer to a left data structure can be the same as the pointer to a right data structure.

Affected products

VendorProductAffected versions
LinuxLinux Kernel
from 2.6.31 before 4.4.233
from 4.5.0 before 4.9.233
from 4.10 before 4.14.194
from 4.15 before 4.19.141
from 4.20 before 5.4.60
from 5.5.0 before 5.7.17
DebianDebian Linux
Version 9.0
CanonicalUbuntu Linux
Versions 14.04, 16.04, 18.04
NetappActive Iq Unified Manager
All versions
NetappCloud Backup
All versions
NetappData Availability Services
All versions
NetappHci Management Node
All versions
NetappSolidfire
All versions
NetappSteelstore Cloud Integrated Storage
All versions
NetappA700s Firmware
All versions
NetappFas 8300 Firmware
All versions
NetappFas 8700 Firmware
All versions

Weakness classification

References