CVE-2014-4021

Advisory lineage Upstream: 0 Downstream: 4
Modified
Published: 18 Jun 2014, 19:00
Last modified:06 Aug 2024, 11:04

Vulnerability Summary

Overall Risk (default)
low
11/100
CVSS Score
2.7 LOW
v2.0 (nvd)
EPSS Score
0.23% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

18 Jun 2014, 19:00
Published
Vulnerability first disclosed
06 Aug 2024, 11:04
Last Modified
Vulnerability information updated

Description

Xen 3.2.x through 4.4.x does not properly clean memory pages recovered from guests, which allows local guest OS users to obtain sensitive information via unspecified vectors.

CVSS Metrics

  • v2.0•LOW•Score: 2.7AV:A/AC:L/Au:S/C:P/I:N/A:N

EPSS Trends

Current EPSS score: 0.23%• Percentile: 46%

Techniques & Countermeasures

  • CWE-119•Improper Restriction of Operations within the Bounds of a Memory Buffer

    The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

Affected Systems

  • xen•xen

    3.2.0 | 3.2.1 | 3.2.2 | 3.2.3 | 4.0.0 | 4.0.1 | 4.0.2 | 4.0.3 | 4.0.4 | 4.1.0 | 4.1.1 | 4.1.2 | 4.1.3 | 4.1.4 | 4.1.5 | 4.1.6.1 | 4.2.0 | 4.2.1 | 4.2.2 | 4.2.3 | 4.3.0 | 4.3.1 | 4.4.0 | 4.4.0:rc1

References (16)