Linux Ksmbd Vulnerability Allows Attackers to Disclose Sensitive Information
CVE-2023-39179

7.5HIGH

Key Information:

Vendor

Linux
Status
Linux
Vendor
CVE Published:
18 November 2024

What is CVE-2023-39179?

A flaw exists in the handling of SMB2 read requests within the kernel ksmbd module, exposing systems with this feature enabled to potential information disclosure attacks. The vulnerability arises due to inadequate validation of user-supplied data, which can allow an attacker to read beyond the allocated buffer, leading to unintended access to sensitive information stored on the system. This issue particularly affects installations of Linux where the ksmbd module is utilized, emphasizing the need for vigilant system management and timely updates to mitigate the risk.

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References

https://access.redhat.com/security/cve/CVE-2023-39179
https://bugzilla.redhat.com/show_bug.cgi?id=2326529
https://www.zerodayinitiative.com/advisories/ZDI-24-586/

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

JSON
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