SB2023102366 - Local denial of service in Linux kernel RSVP
Published: October 23, 2023 Updated: June 16, 2024
Security Bulletin ID
SB2023102366
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) Out-of-bounds read (CVE-ID: CVE-2023-42755)
The vulnerability allows a local user to perform denial of service (DoS) attack.
The vulnerability exists due to a boundary condition within the the IPv4 Resource Reservation Protocol (RSVP) classifier function in the Linux kernel. A local user can trigger an out-of-bounds read error and crash the Linux kernel.
Remediation
Install update from vendor's website.