How severe is CVE-2011-0431?

CVE-2011-0431 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2011-0431 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-0431?

CVE-2011-0431 primarily affects Openafs. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-0431?

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

When was CVE-2011-0431 published?

CVE-2011-0431 was published on 2011-02-19 and last updated on 2026-06-16.

CVE-2011-0431

CVE-2011-0431 is a medium-severity vulnerability in Openafs with a CVSS 2.0 base score of 5.0. 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-20.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Openafs
Published: 2011-02-19
Last modified: 2026-06-16

Description

The afs_linux_lock function in afs/LINUX/osi_vnodeops.c in the kernel module in OpenAFS 1.4.14, 1.4.12, 1.4.7, and possibly other versions does not properly handle errors, which allows attackers to cause a denial of service via unknown vectors. NOTE: some of these details are obtained from third party information.

Frequently asked questions

What is CVE-2011-0431?: The afs_linux_lock function in afs/LINUX/osi_vnodeops.c in the kernel module in OpenAFS 1.4.14, 1.4.12, 1.4.7, and possibly other versions does not properly handle errors, which allows attackers to cause a denial of service via unknown vectors. NOTE: some of these details are obtained from third party information.
How severe is CVE-2011-0431?: CVE-2011-0431 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2011-0431 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-0431?: CVE-2011-0431 primarily affects Openafs. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-0431?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-0431 published?: CVE-2011-0431 was published on 2011-02-19 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:openafs:openafs:1.4.7:*:*:*:*:*:*:*
cpe:2.3:a:openafs:openafs:1.4.12:*:*:*:*:*:*:*
cpe:2.3:a:openafs:openafs:1.4.14:*:*:*:*:*:*:*

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