VulnerabilityModified
CVE-2015-8553
Xen allows guest OS users to obtain sensitive information from uninitialized locations in host OS kernel memory by not enabling memory and I/O decoding control bits.
MEDIUM 6.5EPSS 0.38%
Does this matter?
Lower severity and a low EPSS score (0.38%). Track it; it rarely justifies an emergency change on its own.
Description
Xen allows guest OS users to obtain sensitive information from uninitialized locations in host OS kernel memory by not enabling memory and I/O decoding control bits. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-0777.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
- EPSS
- 0.38% probability · 32th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-200
- Affected
- xen/xen · redhat/enterprise linux
- Source
- cve@mitre.org
References
- http://xenbits.xen.org/xsa/advisory-120.htmlPatch, Vendor Advisory
- https://seclists.org/bugtraq/2019/Aug/18
- https://www.debian.org/security/2019/dsa-4497
- http://xenbits.xen.org/xsa/advisory-120.htmlPatch, Vendor Advisory
- https://seclists.org/bugtraq/2019/Aug/18
- https://www.debian.org/security/2019/dsa-4497
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.