How severe is CVE-2005-0091?

CVE-2005-0091 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2005-0091 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-0091?

CVE-2005-0091 primarily affects Redhat Enterprise Linux. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2005-0091?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2005-0091 published?

CVE-2005-0091 was published on 2005-05-02 and last updated on 2026-06-16.

CVE-2005-0091

CVE-2005-0091 is a high-severity vulnerability in Redhat Enterprise Linux with a CVSS 2.0 base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.2)
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Redhat Enterprise Linux
Published: 2005-05-02
Last modified: 2026-06-16

Description

Unknown vulnerability in the Red Hat Enterprise Linux 4 kernel 4GB/4GB split patch, when using the hugemem kernel, allows local users to read and write to arbitrary kernel memory and gain privileges via certain syscalls.

Frequently asked questions

What is CVE-2005-0091?: Unknown vulnerability in the Red Hat Enterprise Linux 4 kernel 4GB/4GB split patch, when using the hugemem kernel, allows local users to read and write to arbitrary kernel memory and gain privileges via certain syscalls.
How severe is CVE-2005-0091?: CVE-2005-0091 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2005-0091 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-0091?: CVE-2005-0091 primarily affects Redhat Enterprise Linux. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-0091?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2005-0091 published?: CVE-2005-0091 was published on 2005-05-02 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:o:redhat:enterprise_linux:4.0:*:advanced_server:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:4.0:*:enterprise_server:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:4.0:*:workstation:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:4.0:*:*:*:*:*:*:*

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