CVE-2009-4895

Summary

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.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• http://www.openwall.com/lists/oss-security/2010/06/15/5
• http://www.ubuntu.com/usn/USN-1000-1
• https://bugzilla.kernel.org/show_bug.cgi?id=14605
• http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.32.6
• http://www.openwall.com/lists/oss-security/2010/06/15/2
• http://www.openwall.com/lists/oss-security/2010/06/15/3
• http://www.openwall.com/lists/oss-security/2010/06/15/4
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=703625118069f9f8960d356676662d3db5a9d116
• https://bugzilla.redhat.com/show_bug.cgi?id=559100
• http://www.debian.org/security/2010/dsa-2094

References

• http://www.openwall.com/lists/oss-security/2010/06/15/5
• http://www.ubuntu.com/usn/USN-1000-1
• https://bugzilla.kernel.org/show_bug.cgi?id=14605
• http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.32.6
• http://www.openwall.com/lists/oss-security/2010/06/15/2
• http://www.openwall.com/lists/oss-security/2010/06/15/3
• http://www.openwall.com/lists/oss-security/2010/06/15/4
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=703625118069f9f8960d356676662d3db5a9d116
• https://bugzilla.redhat.com/show_bug.cgi?id=559100
• http://www.debian.org/security/2010/dsa-2094

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