CVE-2023-32248 — NULL Pointer Dereference in Kernel
Severity
7.5HIGHNVD
OSV6.5OSV5.5
EPSS
0.1%
top 70.83%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedJul 24
Latest updateSep 6
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:HExploitability: 3.9 | Impact: 3.6
Affected Packages7 packages
Patches
🔴Vulnerability Details
6OSV
▶
OSV▶
linux, linux-aws, linux-aws-5.15, linux-gcp, linux-hwe-5.15, linux-ibm, linux-intel-iotg, linux-intel-iotg-5.15, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-nvidia, linux-oracle, lin↗2023-08-17
GHSA▶
GHSA-hm27-9g63-w87w: A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server↗2023-07-24