8.2

CVE-2015-8550: novell suse_linux_enterprise_real_time_extension Improper Access Control

Modified
AliasesUBUNTU-CVE-2015-8550DEBIAN-CVE-2015-8550
Published 14-04-2016Last modified 06-08-2024

Vulnerability summary

CVE-2015-8550 is a high (CVSS 8.2) Improper Access Control vulnerability in novell suse_linux_enterprise_real_time_extension. EPSS estimates a 1.08% chance of exploitation in the next 30 days, higher than 65.1% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 8.2, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
8.2/10
010
High · v3.0 (NVD)
EPSS score
1.08%
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 25 · Related 17

Timeline

  1. 14-04-2016
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

Xen, when used on a system providing PV backends, allows local guest OS administrators to cause a denial of service (host OS crash) or gain privileges by writing to memory shared between the frontend and backend, aka a double fetch vulnerability.

CVSS metrics

5 scores · 3 sources · 3 versions

EPSS trend

Probability

1.08%

Chance of exploitation in the next 30 days

Percentile

65%

Versus all other CVEs

30-day change

No change 0.00 pp

From 1.08% 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: local access, administrative account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu23 products
  • linux< 3.13.0-74.118
  • linux-azureAll versions (No fix recorded)
  • linux-azure-6.11All versions (No fix recorded)
  • linux-azure-fdeAll versions (No fix recorded)
  • linux-azure-fde-5.15< 5.15.0-1114.123~20.04.1
Debian3 products
  • linux< 4.3.3-3
  • qemu< 1:2.5+dfsg-2
  • xen< 4.8.0~rc3-1
Novell1 product
Xen1 product

4 vendors · 28 products

References

24 links
Show all 24 references