Vulnerability Description
An issue was discovered in the Linux kernel before 6.3.8. fs/smb/server/smb2pdu.c in ksmbd has an integer underflow and out-of-bounds read in deassemble_neg_contexts.
CVSS Score
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.15, < 5.15.145 |
| Netapp | H300S | - |
| Netapp | H410S | - |
| Netapp | H500S | - |
| Netapp | H700S | - |
Related Weaknesses (CWE)
References
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.8Release Notes
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/smbPatch
- https://security.netapp.com/advisory/ntap-20230824-0011/Third Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.8Release Notes
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/smbPatch
- https://security.netapp.com/advisory/ntap-20230824-0011/Third Party Advisory
FAQ
What is CVE-2023-38427?
CVE-2023-38427 is a vulnerability with a CVSS score of 9.8 (CRITICAL). An issue was discovered in the Linux kernel before 6.3.8. fs/smb/server/smb2pdu.c in ksmbd has an integer underflow and out-of-bounds read in deassemble_neg_contexts.
How severe is CVE-2023-38427?
CVE-2023-38427 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2023-38427?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Netapp H300S, Netapp H410S, Netapp H500S, Netapp H700S.