CVE-2019-19318: Use After Free
Published Nov 27, 2019
·Updated
In the Linux kernel 5.3.11, mounting a crafted btrfs image twice can cause an rwsemdownwriteslowpath use-after-free because (in rwsemcanspinonowner in kernel/locking/rwsem.c) rwsemownerflags returns an already freed pointer,
Affected Software
33 affected componentsFixes available
Linux Linux kernel=5.0.21
Linux Linux kernel=5.3.11
openSUSE Leap=15.1
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Debian Debian Linux=9.0
NetApp Active Iq Unified Manager Vmware Vsphere>=9.5
NetApp Data Availability Services
NetApp Hci Management Node
NetApp Solidfire
NetApp Steelstore Cloud Integrated Storage
NetApp Aff A700s Firmware
NetApp AFF A700s
NetApp Fas8300 Firmware
NetApp Fas8300
NetApp Fas8700 Firmware
NetApp Fas8700
NetApp Aff A400 Firmware
NetApp Aff A400
NetApp H610s Firmware
NetApp H610s
All of the following
NetApp Aff A700s Firmware
NetApp AFF A700s
All of the following
NetApp Fas8300 Firmware
NetApp Fas8300
All of the following
NetApp Fas8700 Firmware
NetApp Fas8700
All of the following
NetApp Aff A400 Firmware
NetApp Aff A400
All of the following
NetApp H610s Firmware
NetApp H610s
debian/linux
5.10.223-15.10.262-16.1.176-16.1.180-16.12.94-16.12.101-17.1.8-17.1.8-2
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/linuxto a version that resolves this vulnerability.Fixed in 5.10.223-1Fixed in 5.10.262-1Fixed in 6.1.176-1Fixed in 6.1.180-1Fixed in 6.12.94-1Fixed in 6.12.101-1Fixed in 7.1.8-1Fixed in 7.1.8-2
Event History
Nov 27, 2019
CVE Published
via MITRE·11:41 PM
Data Sourced
via MITRE·11:41 PM
Description
Nov 28, 2019
Data Sourced
via NVD·12:15 AM
DescriptionSeverityWeaknessAffected Software
Jan 11, 2024
Data Sourced
via Launchpad·11:25 PM
Description
Jul 4, 2026
Data Sourced
via Ubuntu·11:04 AM
RemedyDescriptionSeverityAffected Software
Aug 16, 2026
Data Sourced
via Debian·12:13 PM
DescriptionAffected Software
Frequently Asked Questions
1
What is the vulnerability ID for this vulnerability?
The vulnerability ID for this vulnerability is CVE-2019-19318.
2
What is the severity of CVE-2019-19318?
The severity of CVE-2019-19318 has not been specified.
3
How does CVE-2019-19318 affect the Linux kernel?
CVE-2019-19318 affects the Linux kernel 5.3.11.
4
What is the impact of CVE-2019-19318?
CVE-2019-19318 can cause an rwsem_down_write_slowpath use-after-free vulnerability in the Linux kernel.
5
How can I fix CVE-2019-19318?
To fix CVE-2019-19318, update the Linux kernel to version 5.3.0-22.24 or higher.