CVE-2017-7518

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.67% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 51.5% of scored records. A rank, not a probability.

NVD base score

7.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2018-07-30 13:00Z8 YR AGO

Last updated

2024-08-05 16:04Z2 YR AGO

Reserved

2017-04-05

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Medium (CVSS 5.5)

CNA CVSS vector

CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Weaknesses

• CWE-250Execution with Unnecessary PrivilegesBase
• CWE-755Improper Handling of Exceptional ConditionsClass

Data version

5.1

Document digest

153bc8f34ad1bcd8fe0bd83cd03501463736cbb452c341f5d3ca91c2397aed8c

• access.redhat.comRHSA-2018:0412https://access.redhat.com/errata/RHSA-2018:0412vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/articles/3290921x_refsource_CONFIRM
• usn.ubuntu.comUSN-3619-2https://usn.ubuntu.com/3619-2/vendor-advisoryx_refsource_UBUNTU
• access.redhat.comRHSA-2018:0395https://access.redhat.com/errata/RHSA-2018:0395vendor-advisoryx_refsource_REDHAT
• usn.ubuntu.comUSN-3754-1https://usn.ubuntu.com/3754-1/vendor-advisoryx_refsource_UBUNTU
• www.securitytracker.com1038782http://www.securitytracker.com/id/1038782vdb-entryx_refsource_SECTRACK
• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7518x_refsource_CONFIRM
• www.openwall.com[oss-security] 20170623 CVE-2017-7518 Kernel: KVM: debug exception via syscall emulationhttp://www.openwall.com/lists/oss-security/2017/06/23/5mailing-listx_refsource_MLIST
• usn.ubuntu.comUSN-3619-1https://usn.ubuntu.com/3619-1/vendor-advisoryx_refsource_UBUNTU
• www.debian.orgDSA-3981https://www.debian.org/security/2017/dsa-3981vendor-advisoryx_refsource_DEBIAN
• www.spinics.net[kvm] 20170622 [PATCH] KVM: x86: fix singlestepping over syscallhttps://www.spinics.net/lists/kvm/msg151817.htmlmailing-listx_refsource_MLIST
• www.securityfocus.com99263http://www.securityfocus.com/bid/99263vdb-entryx_refsource_BID