SB2019061962 - Use after free in Linux kernel
Published: June 19, 2019
Security Bulletin ID
SB2019061962
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use after free (CVE-ID: CVE-2019-3896)
The vulnerability allows a local user to execute arbitrary code.
A double-free can happen in idr_remove_all() in lib/idr.c in the Linux kernel 2.6 branch. An unprivileged local attacker can use this flaw for a privilege escalation or for a system crash and a denial of service (DoS).
Remediation
Install update from vendor's website.