Home/CVE/An issue was discovered in the Linux kernel before 6.3.9. ksmbd does not validate the SMB request protocol ID, leading t
CVE

CVE-2023-38430

An issue was discovered in the Linux kernel before 6.3.9. ksmbd does not validate the SMB request protocol ID, leading t

An issue was discovered in the Linux kernel before 6.3.9. ksmbd does not validate the SMB request protocol ID, leading to an out-of-bounds read.

CRITICAL · CVSS 9.1 EPSS 0.0008
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-125Out-of-bounds Read
▤

Affected Products & Versions

8
linux kernel>= 5.15 and < 5.15.145
linux kernel>= 5.16 and < 6.1.35
linux kernel>= 6.2 and < 6.3.9
netapp hci management nodeall versions
netapp h300sall versions
netapp h410sall versions
netapp h500sall versions
netapp h700sall versions
▣

Scoring & Timeline

9.1
CRITICAL · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD18 Jul 2023 · 12:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
⚑

Vendor Advisories

7
usnUSN-6725-2
usnUSN-6725-1
usnUSN-6520-1
usnUSN-6466-1
usnUSN-6464-1
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.9Release Notes
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/smb/server?id=1c1bcf2d3ea061613119b534f57507c377df20f9Patch
https://security.netapp.com/advisory/ntap-20230831-0003/Third Party Advisory
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