Critical severity · published Jul 18, 2023
CVE-2023-38428
An issue was discovered in the Linux kernel before 6.3.4
9.1
CVSS
3.2%
EPSS
No
On KEV
Description
An issue was discovered in the Linux kernel before 6.3.4. fs/ksmbd/smb2pdu.c in ksmbd does not properly check the UserName value because it does not consider the address of security buffer, 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)3.2% · higher than 88% 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 5.15.113; 5.16 before 6.1.30; 6.2 before 6.3.4 · 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
SH
Solidfire & Hci Management Node · Netapp
All versions, or not specified · source: NVD
SH
Solidfire & Hci Storage Node · Netapp
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-38428
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-38428
Release Notes
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.4
Patch
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/ksmbd?id=f0a96d1aafd8964e1f9955c830a3e5cb3c60a90f
Third Party Advisory
https://security.netapp.com/advisory/ntap-20230831-0001/
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