CVE-2023-39197
HIGHCVSS 7.5/10EPSS 0.98%
Last modified
CVE-2023-39197 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An out-of-bounds read vulnerability was found in Netfilter Connection Tracking (conntrack) in the Linux kernel. This flaw allows a remote user to disclose sensitive information via the DCCP protocol.. EPSS estimates a 0.98% chance of exploitation in the next 30 days.
Description
An out-of-bounds read vulnerability was found in Netfilter Connection Tracking (conntrack) in the Linux kernel. This flaw allows a remote user to disclose sensitive information via the DCCP protocol.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 2.6.26, < 5.4.251 |
| Linux | Linux Kernel | >= 5.5, < 5.10.188 |
| Linux | Linux Kernel | >= 5.11, < 5.15.121 |
| Linux | Linux Kernel | >= 5.16, < 6.1.39 |
| Linux | Linux Kernel | >= 6.2, < 6.3.13 |
| Linux | Linux Kernel | >= 6.4, < 6.4.4 |
| Fedoraproject | Fedora | 38 |
References
- https://access.redhat.com/security/cve/CVE-2023-39197Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2218342Issue Tracking, Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2023-39197Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2218342Issue Tracking, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-39197?
An out-of-bounds read vulnerability was found in Netfilter Connection Tracking (conntrack) in the Linux kernel. This flaw allows a remote user to disclose sensitive information via the DCCP protocol.
How severe is CVE-2023-39197?
CVE-2023-39197 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.98% probability of exploitation in the next 30 days.
How do I fix CVE-2023-39197?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2023-39197?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST