CVE-2011-2901
Xen Denial of Service Off-by-One Error
Description
Off-by-one error in the __addr_ok macro in Xen 3.3 and earlier allows local 64 bit PV guest administrators to cause a denial of service (host crash) via unspecified hypercalls that ignore virtual-address bits.
INFO
Published Date :
Oct. 1, 2013, 5:55 p.m.
Last Modified :
Feb. 13, 2023, 4:31 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
6.9
Exploitability Score :
5.1
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2011-2901.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2011-2901 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2011-2901 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Feb. 13, 2023
Action Type Old Value New Value Changed Description CVE-2011-2901 kernel: xen: off-by-one shift in x86_64 __addr_ok() Off-by-one error in the __addr_ok macro in Xen 3.3 and earlier allows local 64 bit PV guest administrators to cause a denial of service (host crash) via unspecified hypercalls that ignore virtual-address bits. Removed CVSS V2 Red Hat, Inc. (AV:A/AC:L/Au:S/C:N/I:N/A:C) Removed Reference https://access.redhat.com/errata/RHSA-2011:1212 [No Types Assigned] Removed Reference https://access.redhat.com/errata/RHSA-2011:1813 [No Types Assigned] Removed Reference https://access.redhat.com/security/cve/CVE-2011-2901 [No Types Assigned] -
CVE Modified by [email protected]
Feb. 02, 2023
Action Type Old Value New Value Changed Description Off-by-one error in the __addr_ok macro in Xen 3.3 and earlier allows local 64 bit PV guest administrators to cause a denial of service (host crash) via unspecified hypercalls that ignore virtual-address bits. CVE-2011-2901 kernel: xen: off-by-one shift in x86_64 __addr_ok() Added CVSS V2 Red Hat, Inc. (AV:A/AC:L/Au:S/C:N/I:N/A:C) Added Reference https://access.redhat.com/errata/RHSA-2011:1212 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2011:1813 [No Types Assigned] Added Reference https://access.redhat.com/security/cve/CVE-2011-2901 [No Types Assigned] -
Initial Analysis by [email protected]
Oct. 02, 2013
Action Type Old Value New Value
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2011-2901 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2011-2901
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.06 }} 0.00%
score
0.24592
percentile