NetSight
medium4.4

CVE-2019-19318

In the Linux kernel 5.3.11, mounting a crafted btrfs image twice can cause an rwsem_down_write_slowpath use-after-free because (in rwsem_can_spin_on_owner in k…

Impact

In the Linux kernel 5.3.11, mounting a crafted btrfs image twice can cause an rwsem_down_write_slowpath use-after-free because (in rwsem_can_spin_on_owner in kernel/locking/rwsem.c) rwsem_owner_flags returns an already freed pointer,

Affected products

VendorProductAffected versions
LinuxLinux Kernel
Versions 5.0.21, 5.3.11
OpensuseLeap
Version 15.1
CanonicalUbuntu Linux
Versions 14.04, 16.04, 18.04
DebianDebian Linux
Version 9.0
NetappActive Iq Unified Manager
from 9.5
NetappData Availability Services
All versions
NetappHci Management Node
All versions
NetappSolidfire
All versions
NetappSteelstore Cloud Integrated Storage
All versions
NetappAff A700s Firmware
All versions
NetappFas8300 Firmware
All versions
NetappFas8700 Firmware
All versions

Weakness classification

References