CVE-2008-3531 EXPLOIT
6.9
MEDIUM · CVSS 2.0 · EPSS 1% (pctl 63)
Patch early
A public exploit exists.
Description
Stack-based buffer overflow in sys/kern/vfs_mount.c in the kernel in FreeBSD 7.0 and 7.1, when vfs.usermount is enabled, allows local users to gain privileges via a crafted (1) mount or (2) nmount system call, related to copying of "user defined data" in "certain error conditions."
Scoring
| CVSS | 6.9 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:L/AC:M/Au:N/C:C/I:C/A:C |
| EPSS | 1.03% — more likely to be exploited than 63% of all CVEs |
| Weakness | CWE-119 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2008-09-05 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| freebsd | freebsd |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | FreeBSD 7.0/7.1 - 'vfs.usermount' Local Privilege Escalation | 2009-07-09 |
References
- http://security.FreeBSD.org/advisories/FreeBSD-SA-08:08.nmount.asc
- http://www.securityfocus.com/bid/31002
- http://www.securitytracker.com/id?1020816
- https://exchange.xforce.ibmcloud.com/vulnerabilities/45143
- http://security.FreeBSD.org/advisories/FreeBSD-SA-08:08.nmount.asc
- http://www.securityfocus.com/bid/31002
- http://www.securitytracker.com/id?1020816
- https://exchange.xforce.ibmcloud.com/vulnerabilities/45143
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