DEBIAN-CVE-2018-3646

Advisory lineage Upstream: 1 Downstream: 3
Upstream
CVE-2018-3646
Published: 14 Aug 2018, 19:29
Last modified:28 Apr 2026, 20:19

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.6 MEDIUM
3.0 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

14 Aug 2018, 19:29
Published
Vulnerability first disclosed
28 Apr 2026, 20:19
Last Modified
Vulnerability information updated

Description

Systems with microprocessors utilizing speculative execution and address translations may allow unauthorized disclosure of information residing in the L1 data cache to an attacker with local user access with guest OS privilege via a terminal page fault and a side-channel analysis.

CVSS Metrics

  • v3.0•MEDIUM•Score: 5.6CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N

Affected Systems

  • debian•intel-microcode

    < 3.20180703.1 | < 3.20180703.1 | < 3.20180703.1 | < 3.20180703.1

  • debian•linux

    < 4.17.15-1 | < 4.17.15-1 | < 4.17.15-1 | < 4.17.15-1

  • debian•xen

    < 4.11.1~pre.20180911.5acdd26fdc+dfsg-2 | < 4.11.1~pre.20180911.5acdd26fdc+dfsg-2 | < 4.11.1~pre.20180911.5acdd26fdc+dfsg-2 | < 4.11.1~pre.20180911.5acdd26fdc+dfsg-2

References (1)