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CVE-2010-4247

UnknownEPSS 0.73%

Last modified

CVE-2010-4247 is a vulnerability of currently unknown severity. The do_block_io_op function in (1) drivers/xen/blkback/blkback.c and (2) drivers/xen/blktap/blktap.c in Xen before 3.4.0 for the Linux kernel 2.6.18, and possibly other versions, allows guest OS users to cause a denial of service (infinite loop and CPU consumption) via a large production request index to the blkback or blktap back-end drivers. NOTE: some of these details are obtained from third party information.. EPSS estimates a 0.73% chance of exploitation in the next 30 days.

Description

The do_block_io_op function in (1) drivers/xen/blkback/blkback.c and (2) drivers/xen/blktap/blktap.c in Xen before 3.4.0 for the Linux kernel 2.6.18, and possibly other versions, allows guest OS users to cause a denial of service (infinite loop and CPU consumption) via a large production request index to the blkback or blktap back-end drivers. NOTE: some of these details are obtained from third party information.

Metrics

EPSS Probability
0.73%

49.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CitrixXen<= 3.3.2
CitrixXen3.0.2
CitrixXen3.0.3
CitrixXen3.0.4
CitrixXen3.1.3
CitrixXen3.1.4
CitrixXen3.2.0
CitrixXen3.2.1
CitrixXen3.2.2
CitrixXen3.2.3
CitrixXen3.3.0
CitrixXen3.3.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2010-4247?
The do_block_io_op function in (1) drivers/xen/blkback/blkback.c and (2) drivers/xen/blktap/blktap.c in Xen before 3.4.0 for the Linux kernel 2.6.18, and possibly other versions, allows guest OS users to cause a denial of service (infinite loop and CPU consumption) via a large production request index to the blkback or blktap back-end drivers. NOTE: some of these details are obtained from third party information.
How severe is CVE-2010-4247?
Severity scoring for CVE-2010-4247 is pending analysis. The EPSS model estimates a 0.73% probability of exploitation in the next 30 days.
How do I fix CVE-2010-4247?
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.

How Strix Helps

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Source: NVD / NIST