Home/CVE/An issue was discovered in the Linux kernel before 6.3.10. fs/smb/server/smb2misc.c in ksmbd does not validate the relat
CVE

CVE-2023-38432

An issue was discovered in the Linux kernel before 6.3.10. fs/smb/server/smb2misc.c in ksmbd does not validate the relat

An issue was discovered in the Linux kernel before 6.3.10. fs/smb/server/smb2misc.c in ksmbd does not validate the relationship between the command payload size and the RFC1002 length specification, leading to an out-of-bounds read.

CRITICAL · CVSS 9.1 EPSS 0.00067
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-125Out-of-bounds Read
▤

Affected Products & Versions

9
linux kernel>= 5.15 and < 5.15.121
linux kernel>= 5.16 and < 6.1.36
linux kernel>= 6.2 and < 6.3.10
netapp solidfireall versions
netapp solidfire \& hci storage nodeall versions
netapp h300sall versions
netapp h410sall versions
netapp h500sall 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

10
usnUSN-6520-1
usnUSN-6466-1
usnUSN-6464-1
usnUSN-6445-2
usnUSN-6445-1
🔗

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-6.3.10Release Notes
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/smb/server?id=2b9b8f3b68edb3d67d79962f02e26dbb5ae3808dPatch
https://security.netapp.com/advisory/ntap-20230831-0002/Third Party AdvisoryVDB Entry
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