CVE-2019-19318: Use After Free
First published: Wed Nov 27 2019(Updated: )
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,
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | =5.0.21 | |
| Linux Kernel | =5.3.11 | |
| SUSE Linux | =15.1 | |
| Ubuntu | =14.04 | |
| Ubuntu | =16.04 | |
| Ubuntu | =18.04 | |
| Debian Linux | =9.0 | |
| NetApp Active IQ Unified Manager for VMware vSphere | >=9.5 | |
| NetApp Data Availability Services | ||
| NetApp SolidFire & HCI Management Node | ||
| NetApp SolidFire & HCI Storage Node | ||
| NetApp SteelStore Cloud Integrated Storage | ||
| NetApp A700 Firmware | ||
| NetApp AFF A700s Firmware | ||
| NetApp FAS8300 | ||
| NetApp FAS8300 Firmware | ||
| NetApp FAS 8700 | ||
| NetApp FAS8700 Firmware | ||
| NetApp AFF A400 | ||
| NetApp AFF A400 | ||
| NetApp HCI H610S Firmware | ||
| NetApp H610S Firmware | ||
| All of | ||
| NetApp A700 Firmware | ||
| NetApp AFF A700s Firmware | ||
| All of | ||
| NetApp FAS8300 | ||
| NetApp FAS8300 Firmware | ||
| All of | ||
| NetApp FAS 8700 | ||
| NetApp FAS8700 Firmware | ||
| All of | ||
| NetApp AFF A400 | ||
| NetApp AFF A400 | ||
| All of | ||
| NetApp HCI H610S Firmware | ||
| NetApp H610S Firmware | ||
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.133-1 6.12.22-1 |
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Reference Links
- https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19318
- https://security.netapp.com/advisory/ntap-20200103-0001/
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
- https://usn.ubuntu.com/4414-1/
- https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html
- https://launchpad.net/bugs/cve/CVE-2019-19318
- https://git.kernel.org/linus/9f7fec0ba89108b9385f1b9fb167861224912a4a
- https://security-tracker.debian.org/tracker/CVE-2019-19318
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19318
- https://nvd.nist.gov/vuln/detail/CVE-2019-19318
- https://ubuntu.com/security/CVE-2019-19318
Frequently Asked Questions
What is the vulnerability ID for this vulnerability?
The vulnerability ID for this vulnerability is CVE-2019-19318.
What is the severity of CVE-2019-19318?
The severity of CVE-2019-19318 has not been specified.
How does CVE-2019-19318 affect the Linux kernel?
CVE-2019-19318 affects the Linux kernel 5.3.11.
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.
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.
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- canonical/netapp solidfire & hci management node
- canonical/netapp solidfire & hci storage node
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- canonical/netapp a700 firmware
- canonical/netapp aff a700s firmware
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- canonical/netapp fas8300 firmware
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- canonical/netapp h610s firmware
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