How severe is CVE-2006-7203?

CVE-2006-7203 has a CVSS 2.0 base score of 4.0, rated medium severity.

Is CVE-2006-7203 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-7203?

CVE-2006-7203 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2006-7203?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2006-7203 published?

CVE-2006-7203 was published on 2007-05-14 and last updated on 2026-06-16.

CVE-2006-7203

CVE-2006-7203 is a medium-severity vulnerability in Linux Linux Kernel with a CVSS 2.0 base score of 4.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 4.0)
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Linux Linux Kernel
Published: 2007-05-14
Last modified: 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").

Frequently asked questions

What is CVE-2006-7203?: 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").
How severe is CVE-2006-7203?: CVE-2006-7203 has a CVSS 2.0 base score of 4.0, rated medium severity.
Is CVE-2006-7203 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-7203?: CVE-2006-7203 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-7203?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-7203 published?: CVE-2006-7203 was published on 2007-05-14 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

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