CVE-2023-3866 is a NULL pointer dereference vulnerability in the Linux kernel's ksmbd module, specifically affecting the handling of compound SMB2 ECHO requests. This flaw allows a local, authenticated attacker to trigger a system crash, leading to a denial of service. Rated 5.5 MEDIUM (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H), its impact is high for availability but low for other metrics. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 5.15, < 5.15.121CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.16, < 6.1.36CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 6.2, < 6.3.10CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
6.4CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:6.4:rc1:*:*:*:*:*:* | ||
6.4CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:6.4:rc2:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.