CVE detail
CVE-2010-4247 — CVE-2010-4247
Published 2011-01-11 · Modified 2026-06-16 · Vendor citrix · Product xen · Source nvd
UNKNOWN
severity
CVSS-derived band
0.0073
EPSS probability
exploitation probability, 30d
51.0%
EPSS percentile
percentile vs all CVEs
NOT LISTED
CISA KEV
known exploited catalog
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.
Remediation
No vendor-published fix data in our corpus for this CVE. Check the references below or the vendor's PSIRT / security advisories page.
References