CVE-2023-38427
CRITICALCVSS 9.8/10EPSS 1.13%
Last modified
CVE-2023-38427 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 1.13% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.15, < 5.15.145 |
| Linux | Linux Kernel | >= 5.16, < 6.1.34 |
| Linux | Linux Kernel | >= 6.2, < 6.3.8 |
| Netapp | H300s | All versions |
| Netapp | H410s | All versions |
| Netapp | H500s | All versions |
| Netapp | H700s | All versions |
References
- https://security.netapp.com/advisory/ntap-20230824-0011/Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230824-0011/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-38427?
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 a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.13% probability of exploitation in the next 30 days.
How do I fix CVE-2023-38427?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2023-38427?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST