CVE-2015-8553: redhat enterprise_linux
Vulnerability summary
CVE-2015-8553 is a medium (CVSS 6.5) vulnerability in redhat enterprise_linux. EPSS estimates a 0.38% chance of exploitation in the next 30 days, higher than 32.1% of scored vulnerabilities.
Not severe (CVSS 6.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 1Timeline
- 13-04-2016PublishedVulnerability first disclosed.
- 26-05-2026Last modifiedVulnerability information updated.
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 metrics
8 scores · 4 sources · 4 versions- NVDNIST6.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
EPSS trend
Probability
0.38%
Chance of exploitation in the next 30 days
Percentile
32%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.38% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu113 products
- linuxAll versions (No fix recorded) | < 4.4.0-157.185 | < 4.15.0-60.67
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 4.4.0-1090.101 | < 4.15.0-1047.49 | All versions (No fix recorded)
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Debian1 product
- linux< 4.19.37-1
Redhat1 product
- enterprise_linuxEOL5
Xen1 product
- xenna
4 vendors · 116 products