CVE-2023-4458
Kernel: ksmbd: smb2_open out-of-bounds read information disclosure vulnerability
- State
- Published
- Severity
- 4.0 Medium
- Published
- Nov 14, 2024
- Updated
- Nov 14, 2024
- Reserved
- Aug 21, 2023
Description
A flaw was found within the parsing of extended attributes 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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 4.0 Medium | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N | fedora |
Weaknesses
- CWE-125 Out-of-bounds Read
Affected Products
| Product | Versions |
|---|---|
kernel |
|
Red Hat Enterprise Linux 6Red Hat | |
Red Hat Enterprise Linux 7Red Hat | |
Red Hat Enterprise Linux 7Red Hat | |
Red Hat Enterprise Linux 8Red Hat | |
Red Hat Enterprise Linux 8Red Hat | |
Red Hat Enterprise Linux 9Red Hat | |
Red Hat Enterprise Linux 9Red Hat |
References
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