SB2023103017 - SUSE update for libnbd
Published: October 30, 2023
Security Bulletin ID
SB2023103017
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Unchecked Return Value (CVE-ID: CVE-2023-5215)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation when handling server responses in NBD client. A remote server can return a block size larger than 2^63 and crash the client.
Remediation
Install update from vendor's website.