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Bug 1195350 - (CVE-2015-2041) CVE-2015-2041 kernel: llc: information leak in llc2_timeout_table
CVE-2015-2041 kernel: llc: information leak in llc2_timeout_table
Status: CLOSED NOTABUG
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
low Severity low
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Assigned To: Red Hat Product Security
impact=low,public=20150220,reported=2...
: Security
Depends On:
Blocks: 1195357
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Reported: 2015-02-23 11:01 EST by Martin Prpič
Modified: 2015-03-12 08:40 EDT (History)
30 users (show)

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Doc Type: Bug Fix
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Last Closed: 2015-03-12 08:40:36 EDT
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Description Martin Prpič 2015-02-23 11:01:26 EST 
A flaw was found in the method that the linux kernel handles userspace configuration of  of the the Linux kernel's logical link control (LLC) implementation  system settings. The incorrect handling allowed a trusted user to set multiple LLC syscalls with specially formatted data.  Reading from these files also returned data from other sysctl settings that would be exposed via the same permissions to this user.

This bug provides little risk to users as the values that can be modified are exposed via proc sysctls with the same permissions.

Upstream patch:

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6b8d9117ccb4f81b1244aafa7bc70ef8fa45fc49
Comment 1 Wade Mealing 2015-03-11 02:03:37 EDT 
Statement:

This issue does not affect the versions of the kernel as shipped with Red Hat Enterprise Linux 5, 6 and 7, MRG and realtime kernels.
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