CVE-2020-12769 Race condition in n/a
Attackers can cause a system panic via concurrent calls in the Linux kernel SPI driver, leading to denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-12769?
CVE-2020-12769 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 9 May 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An issue was discovered in the Linux kernel before 5.4.17. drivers/spi/spi-dw.c allows attackers to cause a panic via concurrent calls to dw_spi_irq and dw_spi_transfer_one, aka CID-19b61392c5a8.
Weakness: CWE-662
Which versions are affected by CVE-2020-12769?
It affects 23 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Linux kernel, Netapp A700s Firmware, Netapp Active Iq Unified Manager, Netapp Cloud Backup and 17 more.
How do I fix CVE-2020-12769?
Apply the vendor's patch.
Is CVE-2020-12769 being exploited?
There is no known exploitation of CVE-2020-12769 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2020-12769, GHSA-f25w-4h6f-frg3, UBUNTU-CVE-2020-12769.