A flaw was found in the IPv4 Resource Reservation Protocol (RSVP) classifier in the Linux kernel. The xprt pointer may go beyond the linear part of the skb, leading to an out-of-bounds read in the `rsvp_classify` function. This issue may allow a local user to crash the system and cause a denial of service.
CVE-2023-42755 - Medium Severity Vulnerability
Vulnerable Libraries - linuxlinux-4.6, linuxlinux-4.6, linuxlinux-4.6
Vulnerability Details
A flaw was found in the IPv4 Resource Reservation Protocol (RSVP) classifier in the Linux kernel. The xprt pointer may go beyond the linear part of the skb, leading to an out-of-bounds read in the `rsvp_classify` function. This issue may allow a local user to crash the system and cause a denial of service.
Publish Date: 2023-10-05
URL: CVE-2023-42755
CVSS 3 Score Details (5.5)
Base Score Metrics: - Exploitability Metrics: - Attack Vector: Local - Attack Complexity: Low - Privileges Required: Low - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: None - Integrity Impact: None - Availability Impact: High
For more information on CVSS3 Scores, click here.Suggested Fix
Type: Upgrade version
Origin: https://www.linuxkernelcves.com/cves/CVE-2023-42755
Release Date: 2023-10-05
Fix Resolution: v4.14.326,v4.19.295,v5.4.257,v5.10.197,v5.15.133,v6.1.55
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