CVE-2023-39179
Last modified
CVE-2023-39179 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A flaw was found within the handling of SMB2 read requests in the kernel ksmbd module. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. EPSS estimates a 1.09% chance of exploitation in the next 30 days.
Description
A flaw was found within the handling of SMB2 read requests in the kernel ksmbd module. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this to disclose sensitive information on affected installations of Linux. Only systems with ksmbd enabled are vulnerable to this CVE.
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 | All versions |
References
- https://access.redhat.com/security/cve/CVE-2023-39179Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2326529Issue Tracking, Third Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-24-586/Not Applicable
Timeline
- Published
- Last Modified
- Status
- Analyzed
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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.
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