SB2019012923 - Red Hat update for kernel-alt
Published: January 29, 2019
Security Bulletin ID
SB2019012923
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) Heap-based buffer overflow (CVE-ID: CVE-2018-10840)
The vulnerability allows a local attacker to cause DoS condition on the target system.The weakness exists due to heap-based buffer overflow in fs/ext4/xattr.c:ext4_xattr_set_entry(). A local attacker can supply specially crafted ext4 image, trigger memory corruption and cause the system to crash.
Remediation
Install update from vendor's website.