Linux Kernel GFS2 Allocation Error Lets Local Users Deny Service
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SecurityTracker Alert ID: 1025776 |
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SecurityTracker URL: http://securitytracker.com/id/1025776
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CVE Reference:
CVE-2011-2689
(Links to External Site)
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Date: Jul 15 2011
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Impact:
Denial of service via local system
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): 2.6.39 and prior versions
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Description:
A vulnerability was reported in the Linux Kernel. A local user can cause denial of service conditions.
A local user can invoke the gfs2_fallocate() function in 'fs/gfs2/file.c' in certain cases to allocate a non-blksize aligned amount, resulting in an error in subsequent code that requires blksize aligned offsets.
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Impact:
A local user can cause denial of service conditions on the target system.
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Solution:
The vendor has issued a source code fix, available at:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=6905d9e4dda6112f007e9090bca80507da158e63
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Vendor URL: www.kernel.org/ (Links to External Site)
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Cause:
State error
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Underlying OS:
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Message History:
None.
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Source Message Contents
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[Original Message Not Available for Viewing]
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