How severe is CVE-2006-5649?

CVE-2006-5649 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2006-5649 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-5649?

CVE-2006-5649 primarily affects Ubuntu Ubuntu Linux. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2006-5649?

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

When was CVE-2006-5649 published?

CVE-2006-5649 was published on 2006-12-14 and last updated on 2026-06-16.

CVE-2006-5649

CVE-2006-5649 is a medium-severity vulnerability in Ubuntu Ubuntu Linux with a CVSS 3.x base score of 5.5. 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-400.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.6
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-400
Affected product: Ubuntu Ubuntu Linux
Published: 2006-12-14
Last modified: 2026-06-16

Description

Unspecified vulnerability in the "alignment check exception handling" in Ubuntu 5.10, 6.06 LTS, and 6.10 for the PowerPC (PPC) allows local users to cause a denial of service (kernel panic) via unspecified vectors.

Frequently asked questions

What is CVE-2006-5649?: Unspecified vulnerability in the "alignment check exception handling" in Ubuntu 5.10, 6.06 LTS, and 6.10 for the PowerPC (PPC) allows local users to cause a denial of service (kernel panic) via unspecified vectors.
How severe is CVE-2006-5649?: CVE-2006-5649 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2006-5649 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-5649?: CVE-2006-5649 primarily affects Ubuntu Ubuntu Linux. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-5649?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-5649 published?: CVE-2006-5649 was published on 2006-12-14 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:o:ubuntu:ubuntu_linux:5.10:*:*:*:*:*:*:*
cpe:2.3:o:ubuntu:ubuntu_linux:6.06_lts:*:*:*:*:*:*:*
cpe:2.3:o:ubuntu:ubuntu_linux:6.10:*:powerpc:*:*:*:*:*

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