5.5

CVE-2011-2901: xen Resource Management Errors

Modified
Published 01-10-2013Last modified 06-08-2024

Vulnerability summary

CVE-2011-2901 is a medium (CVSS 5.5) Resource Management Errors vulnerability in xen. EPSS estimates a 0.59% chance of exploitation in the next 30 days, higher than 48.2% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, adjacent network); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v2.0 (NVD)
EPSS score
0.59%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2
RHSA-2011:1212RHSA-2011:1813

Timeline

  1. 01-10-2013
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

0.59%

Chance of exploitation in the next 30 days

Percentile

48%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.59% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: adjacent network, authentication (CVSS vector). Other conditions: not stated in public data.

Xen1 product
  • xen≤ 3.3.0 | 3.0.2 | 3.0.3 | 3.0.4 | 3.1.3 | 3.1.4 | 3.2.0 | 3.2.1 | 3.2.2 | 3.2.3

1 vendor · 1 product

References

5 links