{"id":"CVE-2008-3531","aliases":["EUVD-2008-3517","GHSA-7x52-8p86-5px9"],"status":"published","title":"Stack-based buffer overflow in sys/kern/vfs_mount.c in the kernel in FreeBSD 7.0 and 7.1, when...","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.\"","severity":{"version":"2.0","score":6.9,"vector":"AV:L/AC:M/Au:N/C:C/I:C/A:C","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01032,"percentile":0.63999,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-119"],"published":"2008-09-05T16:00:00Z","modified":"2026-06-16T22:55:59Z","exploits":[{"source":"exploitdb","id":"EDB-9082","title":"FreeBSD 7.0/7.1 - 'vfs.usermount' Local Privilege Escalation","type":"local","platform":"freebsd","date":"2009-07-09","verified":true,"url":"https://www.exploit-db.com/exploits/9082"},{"source":"pocgithub","id":"test-one9/ps4-11.50.github.io","title":"test-one9/ps4-11.50.github.io","date":"2024-07-24","url":"https://github.com/test-one9/ps4-11.50.github.io"}],"products":[{"vendor":"freebsd","product":"freebsd"}],"references":[{"url":"http://www.securityfocus.com/bid/31002","tags":["vdb-entry","x_refsource_BID","x_transferred","Patch"]},{"url":"http://www.securitytracker.com/id?1020816","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/45143","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://security.FreeBSD.org/advisories/FreeBSD-SA-08:08.nmount.asc","tags":["vendor-advisory","x_refsource_FREEBSD","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2008-3531"},{"url":"https://github.com/advisories/GHSA-7x52-8p86-5px9"}],"sources":{"cve":[{"id":"CVE-2008-3531","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.\"","status":"published","published":"2008-09-05T16:00:00Z","modified":"2024-08-07T09:45:18.857Z","updated_at":"2026-11-02T14:34:45.504702Z"}],"euvd":[{"id":"EUVD-2008-3517","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.\"","status":"published","published":"2008-09-05T16:00:00Z","modified":"2024-08-07T09:45:18Z","updated_at":"2026-11-03T01:38:51.761525Z"}],"ghsa":[{"id":"GHSA-7x52-8p86-5px9","title":"Stack-based buffer overflow in sys/kern/vfs_mount.c in the kernel in FreeBSD 7.0 and 7.1, when...","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.\"","status":"published","published":"2022-05-02T00:00:58Z","modified":"2023-01-31T05:06:38Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:49:03.947678Z"}],"nvd":[{"id":"CVE-2008-3531","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.\"","status":"published","published":"2008-09-05T16:08:00Z","modified":"2026-06-16T22:55:59.973Z","cvss":[{"version":"2.0","score":6.9,"vector":"AV:L/AC:M/Au:N/C:C/I:C/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:01:28.625777Z"}]}}