CVE-2006-0457

CVE-2006-0457 is a high-severity vulnerability in Linux Linux Kernel with a CVSS 2.0 base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Race condition in the (1) add_key, (2) request_key, and (3) keyctl functions in Linux kernel 2.6.x allows local users to cause a denial of service (crash) or read sensitive kernel memory by modifying the length of a string argument between the time that the kernel calculates the length and when it copies the data into kernel memory.

Frequently asked questions

What is CVE-2006-0457?
Race condition in the (1) add_key, (2) request_key, and (3) keyctl functions in Linux kernel 2.6.x allows local users to cause a denial of service (crash) or read sensitive kernel memory by modifying the length of a string argument between the time that the kernel calculates the length and when it copies the data into kernel memory.
How severe is CVE-2006-0457?
CVE-2006-0457 has a CVSS 2.0 base score of 7.1, rated high severity.
Is CVE-2006-0457 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-0457?
CVE-2006-0457 primarily affects Linux Linux Kernel. In total, 89 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-0457?
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-2006-0457 published?
CVE-2006-0457 was published on 2006-03-14 and last updated on 2026-06-16.

References

Affected products (89)

More vulnerabilities in Linux Linux Kernel

All CVEs affecting Linux Linux Kernel →