A flaw was found within the handling of SMB2_READ commands in the kernel ksmbd module. The issue results from not releasing memory after its effective lifetime. An attacker can leverage this to create a denial-of-service condition on affected installations of Linux. Authentication is not required to exploit this vulnerability, but only systems with ksmbd enabled are vulnerable.
The product does not properly control the allocation and maintenance of a limited resource.
The product reads data past the end, or before the beginning, of the intended buffer.
| Link | Tags |
|---|---|
| https://access.redhat.com/security/cve/CVE-2023-39180 | vdb entry third party advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=2326531 | issue tracking third party advisory |
| https://www.zerodayinitiative.com/advisories/ZDI-24-589/ | third party advisory |