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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Advisories
Source ID Title
EUVD EUVD EUVD-2015-4193 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.
Fixes

Solution

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-06T06:04:02.976Z

Reserved: 2015-06-02T00:00:00.000Z

Link: CVE-2015-4170

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2016-05-02T10:59:12.623

Modified: 2025-04-12T10:46:40.837

Link: CVE-2015-4170

cve-icon Redhat

Severity : Moderate

Publid Date: 2015-01-19T00:00:00Z

Links: CVE-2015-4170 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses