Critical severity · published Jul 18, 2023
CVE-2023-38430
An issue was discovered in the Linux kernel before 6.3.9
9.1
CVSS
1.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 67% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
5.15 before 5.15.145; 5.16 before 6.1.35; 6.2 before 6.3.9 · source: NVD
H3
H300s · Netapp
All versions, or not specified · source: NVD
H4
H410s · Netapp
All versions, or not specified · source: NVD
H5
H500s · Netapp
All versions, or not specified · source: NVD
H7
H700s · Netapp
All versions, or not specified · source: NVD
HM
Hci Management Node · Netapp
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-38430
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-38430
Release Notes
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.9
Patch
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/smb/server?id=1c1bcf2d3ea061613119b534f57507c377df20f9
Third Party Advisory
https://security.netapp.com/advisory/ntap-20230831-0003/
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