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Bug 1195355 - (CVE-2015-2042) CVE-2015-2042 kernel: rds: information handling flaw in rds sysctl files.
CVE-2015-2042 kernel: rds: information handling flaw in rds sysctl files.
Status: CLOSED WONTFIX
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: 1199365
Blocks: 1195358
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Reported: 2015-02-23 11:09 EST by Martin Prpič
Modified: 2015-03-11 01:53 EDT (History)
31 users (show)

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Fixed In Version:
Doc Type: Bug Fix
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Last Closed: 2015-03-11 01:53:29 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Martin Prpič 2015-02-23 11:09:16 EST 
A flaw was found in the method that the linux kernel handles userspace tuning of the Reliable Datagram Sockets (RDS) system settings. The incorrect handling allowed a trusted user to set multiple RDS sysctls for RDS 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.

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=db27ebb111e9f69efece08e4cb6a34ff980f8896
Comment 2 Wade Mealing 2015-03-04 01:36:59 EST 
Statement:

This issue affects the versions of the kernel as shipped with Red Hat Enterprise Linux 5 and 6 . Red Hat Product Security has rated this issue as having Low security impact. A future update may address this issue. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
Comment 3 Wade Mealing 2015-03-05 22:44:53 EST 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1199365]
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