CVE-2006-0558

CVE-2006-0558 is a medium-severity vulnerability in Linux Linux Kernel 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.

Key facts

Description

perfmon (perfmon.c) in Linux kernel on IA64 architectures allows local users to cause a denial of service (crash) by interrupting a task while another process is accessing the mm_struct, which triggers a BUG_ON action in the put_page_testzero function.

Frequently asked questions

What is CVE-2006-0558?
perfmon (perfmon.c) in Linux kernel on IA64 architectures allows local users to cause a denial of service (crash) by interrupting a task while another process is accessing the mm_struct, which triggers a BUG_ON action in the put_page_testzero function.
How severe is CVE-2006-0558?
CVE-2006-0558 has a CVSS 2.0 base score of 4.9, rated medium severity.
Is CVE-2006-0558 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-0558?
CVE-2006-0558 primarily affects Linux Linux Kernel. In total, 80 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-0558?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-0558 published?
CVE-2006-0558 was published on 2006-04-14 and last updated on 2026-06-16.

References

Affected products (80)

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