CVE-2015-4170

4.7 MEDIUM
Published: May 02, 2016 Modified: May 06, 2026
View on NVD

Description

Race condition in the ldsem_cmpxchg function in drivers/tty/tty_ldsem.c in the Linux kernel before 3.13-rc4-next-20131218 allows local users to cause a denial of service (ldsem_down_read and ldsem_down_write deadlock) by establishing a new tty thread during shutdown of a previous tty thread.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cf872776fc84128bb779ce2b83a37c884c3203ae
Source: cve@mitre.org
Vendor Advisory
http://www.openwall.com/lists/oss-security/2015/05/26/1
Source: cve@mitre.org
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
Source: cve@mitre.org
http://www.securityfocus.com/bid/74820
Source: cve@mitre.org
https://access.redhat.com/errata/RHSA-2016:1395
Source: cve@mitre.org
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1218879
Source: cve@mitre.org
Issue Tracking VDB Entry
https://github.com/torvalds/linux/commit/cf872776fc84128bb779ce2b83a37c884c3203ae
Source: cve@mitre.org
https://www.kernel.org/pub/linux/kernel/next/patch-v3.13-rc4-next-20131218.xz
Source: cve@mitre.org
Patch
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cf872776fc84128bb779ce2b83a37c884c3203ae
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://www.openwall.com/lists/oss-security/2015/05/26/1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/74820
Source: af854a3a-2127-422b-91ae-364da2661108
https://access.redhat.com/errata/RHSA-2016:1395
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1218879
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking VDB Entry
https://github.com/torvalds/linux/commit/cf872776fc84128bb779ce2b83a37c884c3203ae
Source: af854a3a-2127-422b-91ae-364da2661108
https://www.kernel.org/pub/linux/kernel/next/patch-v3.13-rc4-next-20131218.xz
Source: af854a3a-2127-422b-91ae-364da2661108
Patch

16 reference(s) from NVD

Quick Stats

CVSS v3 Score
4.7 / 10.0
EPSS (Exploit Probability)
0.1%
20th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-362

Affected Vendors

linux redhat

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