Vulnerability Description
An issue was discovered in the Linux kernel before 6.3.4. ksmbd has an out-of-bounds read in smb2_find_context_vals when create_context's name_len is larger than the tag length.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.15, < 5.15.113 |
| Netapp | Solidfire \& Hci Management Node | - |
| Netapp | Solidfire \& Hci Storage Node | - |
| Netapp | H300S | - |
| Netapp | H410S | - |
| Netapp | H500S | - |
| Netapp | H700S | - |
Related Weaknesses (CWE)
References
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.4Mailing ListRelease NotesThird Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/ksmPatch
- https://security.netapp.com/advisory/ntap-20230915-0010/Third Party AdvisoryVDB Entry
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.4Mailing ListRelease NotesThird Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/ksmPatch
- https://security.netapp.com/advisory/ntap-20230915-0010/Third Party AdvisoryVDB Entry
FAQ
What is CVE-2023-38426?
CVE-2023-38426 is a vulnerability with a CVSS score of 9.1 (CRITICAL). An issue was discovered in the Linux kernel before 6.3.4. ksmbd has an out-of-bounds read in smb2_find_context_vals when create_context's name_len is larger than the tag length.
How severe is CVE-2023-38426?
CVE-2023-38426 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2023-38426?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Netapp Solidfire \& Hci Management Node, Netapp Solidfire \& Hci Storage Node, Netapp H300S, Netapp H410S.