How severe is CVE-2007-5494?

CVE-2007-5494 has a CVSS 2.0 base score of 4.9, rated medium severity.

Is CVE-2007-5494 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-5494?

CVE-2007-5494 primarily affects Redhat Enterprise Linux. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-5494?

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

When was CVE-2007-5494 published?

CVE-2007-5494 was published on 2007-11-30 and last updated on 2026-06-16.

CVE-2007-5494

CVE-2007-5494 is a medium-severity vulnerability in Redhat Enterprise Linux with a CVSS 2.0 base score of 4.9. 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-399.

Key facts

Severity: Medium (CVSS 2.0 base score 4.9)
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Redhat Enterprise Linux
Published: 2007-11-30
Last modified: 2026-06-16

Description

Memory leak in the Red Hat Content Accelerator kernel patch in Red Hat Enterprise Linux (RHEL) 4 and 5 allows local users to cause a denial of service (memory consumption) via a large number of open requests involving O_ATOMICLOOKUP.

Frequently asked questions

What is CVE-2007-5494?: Memory leak in the Red Hat Content Accelerator kernel patch in Red Hat Enterprise Linux (RHEL) 4 and 5 allows local users to cause a denial of service (memory consumption) via a large number of open requests involving O_ATOMICLOOKUP.
How severe is CVE-2007-5494?: CVE-2007-5494 has a CVSS 2.0 base score of 4.9, rated medium severity.
Is CVE-2007-5494 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-5494?: CVE-2007-5494 primarily affects Redhat Enterprise Linux. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-5494?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-5494 published?: CVE-2007-5494 was published on 2007-11-30 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:o:redhat:enterprise_linux:4.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:*

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