SB2019100131 - Permissions, Privileges, and Access Controls in Linux kernel
Published: October 1, 2019 Updated: November 13, 2019
Security Bulletin ID
SB2019100131
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2019-17054)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to the atalk_create() function in net/appletalk/ddp.c in the AF_APPLETALK network module for the Linux kernel does not enforce CAP_NET_RAW when creating raw sockets. A local unprivileged user can create raw sockets on the system.
Remediation
Install update from vendor's website.