6.5

CVE-2018-19967: debian debian_linux Improper Input Validation

Modified
AliasesALPINE-CVE-2018-19967SUSE-SU-2019:0875-1UBUNTU-CVE-2018-19967
Published 08-12-2018Last modified 05-08-2024

Vulnerability summary

CVE-2018-19967 is a medium (CVSS 6.5) Improper Input Validation vulnerability in debian debian_linux. EPSS estimates a 0.45% chance of exploitation in the next 30 days, higher than 39.4% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 6.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
6.5/10
010
Medium · v3.0 (NVD)
EPSS score
0.45%
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 9 · Related 7

Timeline

  1. 08-12-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in Xen through 4.11.x on Intel x86 platforms allowing guest OS users to cause a denial of service (host OS hang) because Xen does not work around Intel's mishandling of certain HLE transactions associated with the KACQUIRE instruction prefix.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.45%

Chance of exploitation in the next 30 days

Percentile

39%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.45% 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, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Debian2 products
Suse2 products
  • xen&distro=SUSE Linux Enterprise Module for Basesystem 15< 4.10.3_02-3.14.1
  • xen&distro=SUSE Linux Enterprise Module for Server Applications 15< 4.10.3_02-3.14.1
Alpine1 product
  • xen< 4.11.1-r0 | < 4.8.5-r0 | < 4.9.3-r1 | < 4.10.2-r1
Opensuse1 product
  • xen&distro=openSUSE Leap 15.0< 4.10.3_02-lp150.2.16.1
Ubuntu1 product
  • xenAll versions (No fix recorded)
Xen1 product

6 vendors · 8 products

References

28 links
Show all 28 references