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CVE-2011-1021

UnknownEPSS 0.93%

Last modified

CVE-2011-1021 is a vulnerability of currently unknown severity. drivers/acpi/debugfs.c in the Linux kernel before 3.0 allows local users to modify arbitrary kernel memory locations by leveraging root privileges to write to the /sys/kernel/debug/acpi/custom_method file. NOTE: this vulnerability exists because of an incomplete fix for CVE-2010-4347.. EPSS estimates a 0.93% chance of exploitation in the next 30 days.

Description

drivers/acpi/debugfs.c in the Linux kernel before 3.0 allows local users to modify arbitrary kernel memory locations by leveraging root privileges to write to the /sys/kernel/debug/acpi/custom_method file. NOTE: this vulnerability exists because of an incomplete fix for CVE-2010-4347.

Metrics

EPSS Probability
0.93%

55.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
LinuxLinux Kernel<= 2.6.9—
LinuxLinux Kernel2.6.9Rc1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2011-1021?
drivers/acpi/debugfs.c in the Linux kernel before 3.0 allows local users to modify arbitrary kernel memory locations by leveraging root privileges to write to the /sys/kernel/debug/acpi/custom_method file. NOTE: this vulnerability exists because of an incomplete fix for CVE-2010-4347.
How severe is CVE-2011-1021?
Severity scoring for CVE-2011-1021 is pending analysis. The EPSS model estimates a 0.93% probability of exploitation in the next 30 days.
How do I fix CVE-2011-1021?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-1021?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST