SB2019090801 - Denial of service in Linux kernel
Published: September 8, 2019
Security Bulletin ID
SB2019090801
Severity
Low
Patch available
NO
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) Resource management error (CVE-ID: CVE-2019-16089)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to nbd_genl_status() function in drivers/block/nbd.c does not check the nla_nest_start_noflag return value. A local user can run a specially crafted program to cause the kernel to crash.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.