Race condition in the hvc_close function in drivers/char/hvc_console.c in the...

Vulnerability Description

Race condition in the hvc_close function in drivers/char/hvc_console.c in the Linux kernel before 2.6.34 allows local users to cause a denial of service or possibly have unspecified other impact by closing a Hypervisor Virtual Console device, related to the hvc_open and hvc_remove functions.

References

• http://www.openwall.com/lists/oss-security/2010/04/19/1
• https://bugzilla.redhat.com/show_bug.cgi?id=568621
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=320718ee074acce5ffced6506cb51af1388942aa
• http://www.openwall.com/lists/oss-security/2010/03/04/3
• http://www.openwall.com/lists/oss-security/2010/07/01/1
• http://www.openwall.com/lists/oss-security/2010/07/07/5
• http://www.openwall.com/lists/oss-security/2010/04/17/2
• http://www.openwall.com/lists/oss-security/2010/04/18/1
• http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.34
• http://lkml.org/lkml/2010/3/3/207
• http://www.openwall.com/lists/oss-security/2010/07/06/7
• http://patchwork.kernel.org/patch/83353/
• http://www.openwall.com/lists/oss-security/2010/04/19/2