CVE-2008-3531 describes a stack-based buffer overflow in the FreeBSD kernel (versions 7.0 and 7.1) when the vfs.usermount option is enabled. This flaw allows local users to achieve privilege escalation through specially crafted mount or nmount system calls. The vulnerability has a CVSS score of 6.9, indicating high severity with local access, medium attack complexity, and complete confidentiality, integrity, and availability impacts. While not listed in CISA's KEV catalog and lacking Metasploit/Nuclei modules, an exploit is publicly available on ExploitDB, though there is no evidence of active exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
7.0CPE matchmatch criteria | cpe:2.3:o:freebsd:freebsd:7.0:*:*:*:*:*:*:* | ||
7.1CPE matchmatch criteria | cpe:2.3:o:freebsd:freebsd:7.1:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:L/AC:M/Au:N/C:C/I:C/A:C
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.