Race condition in the tty_fasync function in drivers/char/tty_io.c in the Linux kernel before 2.6.32.6 allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via unknown vectors, related to the put_tty_queue and __f_setown functions. NOTE: the vulnerability was addressed in a different way in 2.6.32.9.

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-2094-1 New Linux 2.6.26 packages fix several issues
Ubuntu USN Ubuntu USN USN-1000-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-1074-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-1074-2 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-1083-1 Linux kernel vulnerabilities
Fixes

Solution

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Workaround

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-07T07:17:26.064Z

Reserved: 2010-06-15T00:00:00.000Z

Link: CVE-2009-4895

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2010-09-08T20:00:02.620

Modified: 2025-04-11T00:51:21.963

Link: CVE-2009-4895

cve-icon Redhat

Severity : Moderate

Publid Date: 2009-12-17T00:00:00Z

Links: CVE-2009-4895 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses