SB2015102805 - Fedora 21 update for kernel
Published: October 28, 2015 Updated: April 24, 2025
Security Bulletin ID
SB2015102805
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2015-5156)
The vulnerability allows an adjacent attacker to cause DoS condition on the target system.The weakness exists in the virtnet_probe function in drivers/net/virtio_net.c due to attempts to support a FRAGLIST feature without proper memory allocation. An adjacent attacker can submit a specially crafted sequence of fragmented packets, trigger buffer overflow and cause the service to crash.
Remediation
Install update from vendor's website.