CVE-2019-19064 Denial of service in n/a
A memory leak in the Linux kernel SPI driver allows attackers to cause denial of service via memory consumption, though exploitation is disputed.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-19064?
CVE-2019-19064 is a high-severity denial of service vulnerability in Fedoraproject Fedora, published on 18 Nov 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A memory leak in the fsl_lpspi_probe() function in drivers/spi/spi-fsl-lpspi.c in the Linux kernel through 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering pm_runtime_get_sync() failures, aka CID-057b8945f78f. NOTE: third parties dispute the relevance of this because an attacker cannot realistically control these failures at probe time
Weakness: CWE-401
Which versions are affected by CVE-2019-19064?
It affects 2 products.
Products include Fedoraproject Fedora, Linux kernel.
How do I fix CVE-2019-19064?
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-2019-19064 being exploited?
There is no known exploitation of CVE-2019-19064 in the wild and no public exploit code.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as DEBIAN-CVE-2019-19064, GHSA-w774-j42f-mmcj, UBUNTU-CVE-2019-19064.