CVE-2015-4170

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

0.32% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 25.4% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.0/AV:L/AC:H/PR:N/UI:R/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

2015-06-02

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')Class
• CWE-667Improper LockingClass

Data version

5.1

Document digest

3e6fdadbdab9899ecc762b4767698d98b11f1bc9f268ae261975d62ca08067eb

• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1218879x_refsource_CONFIRM
• git.kernel.orghttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cf872776fc84128bb779ce2b83a37c884c3203aex_refsource_CONFIRM
• www.oracle.comhttp://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.htmlx_refsource_CONFIRM
• github.comhttps://github.com/torvalds/linux/commit/cf872776fc84128bb779ce2b83a37c884c3203aex_refsource_CONFIRM
• www.openwall.com[oss-security] 20150526 CVE request: vulnerability in the kernel tty subsystem.http://www.openwall.com/lists/oss-security/2015/05/26/1mailing-listx_refsource_MLIST
• www.kernel.orghttps://www.kernel.org/pub/linux/kernel/next/patch-v3.13-rc4-next-20131218.xzx_refsource_CONFIRM
• access.redhat.comRHSA-2016:1395https://access.redhat.com/errata/RHSA-2016:1395vendor-advisoryx_refsource_REDHAT
• www.securityfocus.com74820http://www.securityfocus.com/bid/74820vdb-entryx_refsource_BID