Linux Kernel hvc_close Function Local Competition Condition Vulnerability and repair

Affected Versions:
Linux kernel 2.6.x vulnerability description:
Cve id: CVE-2010-2653

Linux Kernel is the Kernel used by the Linux operating system.

In Linux Kernel, the drivers/char/hvc_console.c driver has a race condition in the hvc_close function. Local Users can disable the Hypervisor virtual console to cause a denial of service.

<* Reference
Anton Blanchard (anton@samba.org)

Https://bugzilla.redhat.com/show_bug.cgi? Format = multiple & amp; id = 568621
*>
Vendor patch:

Linux
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The vendor has released a patch to fix this security problem. Please download it from the vendor's homepage:

Http://git.kernel.org /? P = linux/kernel/git/torvalds/linux-2.6.git; a = commit; h = 320718ee074acce5ffced4176cb51af1388942aa