SB2020050903 - Denial of service in Linux kernel
Published: May 9, 2020 Updated: May 21, 2020
Security Bulletin ID
SB2020050903
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2020-12769)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in the "drivers/spi/spi-dw.c" file. A local user can cause a panic via concurrent calls to "dw_spi_irq" and "dw_spi_transfer_one" and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.