CVE-2015-4178

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

0.37% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 29.9% of scored records. A rank, not a probability.

NVD base score

5.5 (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:N/I:N/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

2016-05-02 10:00Z10 YR AGO

Last updated

2024-08-06 06:04Z2 YR AGO

Reserved

2015-06-04

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-665Improper InitializationClass

Data version

5.1

Document digest

98f2eb0036048dcbde273f08af77596a3f4eb16214a781b66b34ae22c1599600

• openwall.com[oss-security] 20150529 CVE request Linux kernel: ns: user namespaces panichttp://openwall.com/lists/oss-security/2015/05/29/5mailing-listx_refsource_MLIST
• www.kernel.orghttp://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.5x_refsource_CONFIRM
• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1249849x_refsource_CONFIRM
• openwall.com[oss-security] 20150529 Re: CVE request Linux kernel: ns: user namespaces panichttp://openwall.com/lists/oss-security/2015/05/29/10mailing-listx_refsource_MLIST
• www.openwall.com[oss-security] 20150604 Re: Re: CVE request Linux kernel: ns: user namespaces panichttp://www.openwall.com/lists/oss-security/2015/06/04/5mailing-listx_refsource_MLIST
• github.comhttps://github.com/torvalds/linux/commit/820f9f147dcce2602eefd9b575bbbd9ea14f0953x_refsource_CONFIRM
• git.kernel.orghttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=820f9f147dcce2602eefd9b575bbbd9ea14f0953x_refsource_CONFIRM