CVE-2019-19044 Denial of service in n/a
Attackers can cause a denial of service via memory consumption in the Linux kernel's v3d driver by triggering specific allocation failures.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-19044?
CVE-2019-19044 is a high-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 18 Nov 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Two memory leaks in the v3d_submit_cl_ioctl() function in drivers/gpu/drm/v3d/v3d_gem.c in the Linux kernel before 5.3.11 allow attackers to cause a denial of service (memory consumption) by triggering kcalloc() or v3d_job_init() failures, aka CID-29cd13cfd762.
Weakness: CWE-401
Which versions are affected by CVE-2019-19044?
It affects 15 products.
Products include Broadcom Brocade Fabric Operating System Firmware, Canonical Ubuntu Linux, Linux kernel, Netapp Active Iq Unified Manager, Netapp Aff Baseboard Management Controller, Netapp Cloud Backup and 9 more.
How do I fix CVE-2019-19044?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2019-19044 being exploited?
There is no known exploitation of CVE-2019-19044 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2019-19044, GHSA-p29h-v652-9mxm, UBUNTU-CVE-2019-19044.