26947 : Linux Kernel run_posix_cpu_timers Process Timer Local DoS
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Info

Last Modified

about 1 year ago

Percent Complete

100%

Disclosure

Jun 15, 2006

Discovery

Unknown

Dates

Exploit

Unknown

Solution

Unknown

Keywords

No Keywords

Description

The Linux kernel contains a flaw that may allow a local denial of service. The issue is triggered because a CPU could attach a timer to a currently exiting process, which will result in a kernel 'oops' and therefore in loss of availability for the platform.

Classification

Location: Local Access Required
Attack Type: Denial of Service, Race Condition
Impact: Loss of Availability
Exploit: Exploit Rumored / Private
Disclosure: OSVDB Verified

Solution

Upgrade to version 2.6.16.21 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Linux

Kernel

2.6.16.20

References

Bugtraq ID: 18615
CVE ID: 2006-2445 (see also: NVD)
Secunia Advisory ID: 20831 20991 21045 21179 27272
FrSIRT Advisory: ADV-2006-2451
Vendor Specific Advisory URL: http://issues.rpath.com/browse/RPL-457
http://lists.suse.com/archive/suse-security-announce/2006-Jul/0008.html
http://www.trustix.org/errata/2006/0037
http://www.ubuntu.com/usn/usn-311-1
Mail List Post: http://marc.theaimsgroup.com/?l=linux-kernel&m=115015841413687
Other Advisory URL: http://www.gentoo.org/security/en/glsa/glsa-200710-17.xml
http://www.mandriva.com/security/advisories?name=MDKSA-2006:123
Vendor Specific News/Changelog Entry: http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.16.21

Tools & Filters

Nessus	22058 27886

Credit

John Stultz - johnstulus.ibm.com -

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