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CVE-2010-4247

The do_block_io_op function in (1) drivers/xen/blkback/blkback.c and (2) drivers/xen/blktap...

5.5 Medium

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.

Exploit likelihood

0.73%Down 0.8 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.5

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.

Record
CVE-2010-4247
CVSS 2.0
5.5 MediumAV:A/AC:L/Au:S/C:N/I:N/A:C
Weakness
CWE-20
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2010-4247
Updated
2026-11-02
EUVDEUVD-2010-4220 No score

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.

Record
EUVD-2010-4220
Updated
2026-11-03
GitHub AdvisoriesGHSA-9hwc-j324-r98v No score

The do_block_io_op function in (1) drivers/xen/blkback/blkback.c and (2) drivers/xen/blktap...

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.

Record
GHSA-9hwc-j324-r98v
Weakness
CWE-20
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
kernel
Red Hat:enterprise_linux:5::client
From an advisory covering 14 CVEs
 before 0:2.6.18-194.32.1.el5
0:2.6.18-194.32.1.el5
kernel-PAE
Red Hat:enterprise_linux:5::client
From an advisory covering 14 CVEs
 before 0:2.6.18-194.32.1.el5
0:2.6.18-194.32.1.el5
kernel-PAE-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 14 CVEs
 before 0:2.6.18-194.32.1.el5
0:2.6.18-194.32.1.el5
kernel-PAE-devel
Red Hat:enterprise_linux:5::client
From an advisory covering 14 CVEs
 before 0:2.6.18-194.32.1.el5
0:2.6.18-194.32.1.el5
kernel-debug
Red Hat:enterprise_linux:5::client
From an advisory covering 14 CVEs
 before 0:2.6.18-194.32.1.el5
0:2.6.18-194.32.1.el5
kernel-debug-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 14 CVEs
 before 0:2.6.18-194.32.1.el5
0:2.6.18-194.32.1.el5
kernel-debug-devel
Red Hat:enterprise_linux:5::client
From an advisory covering 14 CVEs
 before 0:2.6.18-194.32.1.el5
0:2.6.18-194.32.1.el5
kernel-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 14 CVEs
 before 0:2.6.18-194.32.1.el5
0:2.6.18-194.32.1.el5
kernel-debuginfo-common
Red Hat:enterprise_linux:5::client
From an advisory covering 14 CVEs
 before 0:2.6.18-194.32.1.el5
0:2.6.18-194.32.1.el5
kernel-devel
Red Hat:enterprise_linux:5::client
From an advisory covering 14 CVEs
 before 0:2.6.18-194.32.1.el5
0:2.6.18-194.32.1.el5
Show 23 moreShow less
Affected packages
PackageAffectedFixed
kernel-doc
Red Hat:enterprise_linux:5::client
From an advisory covering 14 CVEs
 before 0:2.6.18-194.32.1.el5
0:2.6.18-194.32.1.el5
kernel-headers
Red Hat:enterprise_linux:5::client
From an advisory covering 14 CVEs
 before 0:2.6.18-194.32.1.el5
0:2.6.18-194.32.1.el5
kernel-xen
Red Hat:enterprise_linux:5::client
From an advisory covering 14 CVEs
 before 0:2.6.18-194.32.1.el5
0:2.6.18-194.32.1.el5
kernel-xen-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 14 CVEs
 before 0:2.6.18-194.32.1.el5
0:2.6.18-194.32.1.el5
kernel-xen-devel
Red Hat:enterprise_linux:5::client
From an advisory covering 14 CVEs
 before 0:2.6.18-194.32.1.el5
0:2.6.18-194.32.1.el5
kernel
Red Hat:enterprise_linux:5::server
From an advisory covering 14 CVEs
 before 0:2.6.18-194.32.1.el5
0:2.6.18-194.32.1.el5
kernel-PAE
Red Hat:enterprise_linux:5::server
From an advisory covering 14 CVEs
 before 0:2.6.18-194.32.1.el5
0:2.6.18-194.32.1.el5
kernel-PAE-debuginfo
Red Hat:enterprise_linux:5::server
From an advisory covering 14 CVEs
 before 0:2.6.18-194.32.1.el5
0:2.6.18-194.32.1.el5
kernel-PAE-devel
Red Hat:enterprise_linux:5::server
From an advisory covering 14 CVEs
 before 0:2.6.18-194.32.1.el5
0:2.6.18-194.32.1.el5
kernel-debug
Red Hat:enterprise_linux:5::server
From an advisory covering 14 CVEs
 before 0:2.6.18-194.32.1.el5
0:2.6.18-194.32.1.el5
kernel-debug-debuginfo
Red Hat:enterprise_linux:5::server
From an advisory covering 14 CVEs
 before 0:2.6.18-194.32.1.el5
0:2.6.18-194.32.1.el5
kernel-debug-devel
Red Hat:enterprise_linux:5::server
From an advisory covering 14 CVEs
 before 0:2.6.18-194.32.1.el5
0:2.6.18-194.32.1.el5
kernel-debuginfo
Red Hat:enterprise_linux:5::server
From an advisory covering 14 CVEs
 before 0:2.6.18-194.32.1.el5
0:2.6.18-194.32.1.el5
kernel-debuginfo-common
Red Hat:enterprise_linux:5::server
From an advisory covering 14 CVEs
 before 0:2.6.18-194.32.1.el5
0:2.6.18-194.32.1.el5
kernel-devel
Red Hat:enterprise_linux:5::server
From an advisory covering 14 CVEs
 before 0:2.6.18-194.32.1.el5
0:2.6.18-194.32.1.el5
kernel-doc
Red Hat:enterprise_linux:5::server
From an advisory covering 14 CVEs
 before 0:2.6.18-194.32.1.el5
0:2.6.18-194.32.1.el5
kernel-headers
Red Hat:enterprise_linux:5::server
From an advisory covering 14 CVEs
 before 0:2.6.18-194.32.1.el5
0:2.6.18-194.32.1.el5
kernel-kdump
Red Hat:enterprise_linux:5::server
From an advisory covering 14 CVEs
 before 0:2.6.18-194.32.1.el5
0:2.6.18-194.32.1.el5
kernel-kdump-debuginfo
Red Hat:enterprise_linux:5::server
From an advisory covering 14 CVEs
 before 0:2.6.18-194.32.1.el5
0:2.6.18-194.32.1.el5
kernel-kdump-devel
Red Hat:enterprise_linux:5::server
From an advisory covering 14 CVEs
 before 0:2.6.18-194.32.1.el5
0:2.6.18-194.32.1.el5
kernel-xen
Red Hat:enterprise_linux:5::server
From an advisory covering 14 CVEs
 before 0:2.6.18-194.32.1.el5
0:2.6.18-194.32.1.el5
kernel-xen-debuginfo
Red Hat:enterprise_linux:5::server
From an advisory covering 14 CVEs
 before 0:2.6.18-194.32.1.el5
0:2.6.18-194.32.1.el5
kernel-xen-devel
Red Hat:enterprise_linux:5::server
From an advisory covering 14 CVEs
 before 0:2.6.18-194.32.1.el5
0:2.6.18-194.32.1.el5

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2010-4247 is a medium vulnerability (CVSS 5.5) in Citrix Xen, published January 11, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.73%, the 54th percentile. No source names a fixed version.

References

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