Improper input validation in Citrix Xen
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.007 (50.3th percentile) — read the EPSS interpretation.
Affected products
- Citrix Xen — versions 3.0.2, 3.0.3, 3.0.4
- Linux Linux_kernel — versions 2.6.18
- N/a — versions n/a
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_SECUNIA, third-party-advisory)
- secalert@redhat.com (vdb-entry, x_refsource_VUPEN)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (vdb-entry, x_refsource_BID)
- secalert@redhat.com (mailing-list, x_refsource_BUGTRAQ)
- secalert@redhat.com (x_refsource_SECUNIA, third-party-advisory)
- secalert@redhat.com (x_refsource_SECUNIA, Vendor Advisory, third-party-advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Patch)
- secalert@redhat.com (Patch, x_refsource_MISC)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Patch)