CVE-2006-7203

Severity: medium (CVSS 4.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-05-14 · updated 2026-06-16

Description

The compat_sys_mount function in fs/compat.c in Linux kernel 2.6.20 and earlier allows local users to cause a denial of service (NULL pointer dereference and oops) by mounting a smbfs file system in compatibility mode ("mount -t smbfs").

Affected products

Linux kernel: through 2.6.20

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff_plain%3Bh=822191a2fa1584a29c3224ab328507adcaeac1ab
http://rhn.redhat.com/errata/RHSA-2007-0488.html
http://secunia.com/advisories/25682
http://secunia.com/advisories/25683
http://secunia.com/advisories/25700
http://secunia.com/advisories/25838
http://secunia.com/advisories/25961
http://secunia.com/advisories/26133
http://secunia.com/advisories/26139
http://secunia.com/advisories/26289
http://secunia.com/advisories/26620
http://secunia.com/advisories/29058

Get alerted when CVE-2006-7203 or the next vulnerability affects your stack