CVE-2023-52479
HIGHCVSS 8.8/10EPSS 0.60%
Last modified
CVE-2023-52479 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix uaf in smb20_oplock_break_ack drop reference after use opinfo.. EPSS estimates a 0.60% chance of exploitation in the next 30 days.
Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix uaf in smb20_oplock_break_ack drop reference after use opinfo.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Linux | Linux Kernel | < 5.15.135 | — |
| Linux | Linux Kernel | >= 5.16, < 6.1.57 | — |
| Linux | Linux Kernel | >= 6.2, < 6.5.7 | — |
| Linux | Linux Kernel | 6.6 | Rc1 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-52479?
In the Linux kernel, the following vulnerability has been resolved:
ksmbd: fix uaf in smb20_oplock_break_ack
drop reference after use opinfo.
How severe is CVE-2023-52479?
CVE-2023-52479 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.60% probability of exploitation in the next 30 days.
How do I fix CVE-2023-52479?
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-2023-52479?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST