How severe is CVE-2011-4110?

CVE-2011-4110 has a CVSS 2.0 base score of 2.1, rated low severity.

Is CVE-2011-4110 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-4110?

CVE-2011-4110 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2011-4110?

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

When was CVE-2011-4110 published?

CVE-2011-4110 was published on 2012-01-27 and last updated on 2026-06-16.

CVE-2011-4110

CVE-2011-4110 is a low-severity vulnerability in Linux Linux Kernel with a CVSS 2.0 base score of 2.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: Low (CVSS 2.0 base score 2.1)
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Linux Linux Kernel
Published: 2012-01-27
Last modified: 2026-06-16

Description

The user_update function in security/keys/user_defined.c in the Linux kernel 2.6 allows local users to cause a denial of service (NULL pointer dereference and kernel oops) via vectors related to a user-defined key and "updating a negative key into a fully instantiated key."

Frequently asked questions

What is CVE-2011-4110?: The user_update function in security/keys/user_defined.c in the Linux kernel 2.6 allows local users to cause a denial of service (NULL pointer dereference and kernel oops) via vectors related to a user-defined key and "updating a negative key into a fully instantiated key."
How severe is CVE-2011-4110?: CVE-2011-4110 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2011-4110 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-4110?: CVE-2011-4110 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-4110?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-4110 published?: CVE-2011-4110 was published on 2012-01-27 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:o:linux:linux_kernel:2.6:*:*:*:*:*:*:*

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