High severity · published Jul 24, 2023
CVE-2023-32248
A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server
7.5
CVSS
4.1%
EPSS
No
On KEV
Description
A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the handling of SMB2_TREE_CONNECT and SMB2_QUERY_INFO commands. The issue results from the lack of proper validation of a pointer prior to accessing it. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.1% · higher than 91% 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 5.15.111; 5.16 before 6.1.28; 6.2 before 6.2.15; 6.3 before 6.3.2 · source: NVD
H3
H300s · Netapp
All versions, or not specified · source: NVD
H4
H410c · 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
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-32248
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-32248
Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-32248
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2219818
Third Party Advisory
https://security.netapp.com/advisory/ntap-20230915-0006/
Patch
https://www.zerodayinitiative.com/advisories/ZDI-CAN-20479/
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