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take reference on channels netns in kernel-ppp CVE-2016-4805 critical [released]

Tracked by Jolla (In release)

asked 2017-05-11 15:03:43 +0200

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updated 2017-05-11 15:03:43 +0200

lpr gravatar image

Description
Use-after-free vulnerability in drivers/net/ppp/ppp_generic.c in the Linux kernel before 4.5.2 allows local users to cause a denial of service (memory corruption and system crash, or spinlock) or possibly have unspecified other impact by removing a network namespace, related to the ppp_register_net_channel and ppp_unregister_channel functions. CVSSv3:7.8 high (attack range: local)

Upstream Patch is available.

file affected: kernel-adaptation-sbj-3.4.108.20161101.1/drivers/net/ppp/ppp_generic.c lines 2177-2183; 2274-2279

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The question has been closed for the following reason "released in a software update" by lpr
close date 2017-07-24 21:06:32.057861

Comments

released in Jämsänjoki / 2.1.1.23

lpr ( 2017-07-24 21:06:17 +0200 )edit

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answered 2017-06-01 01:03:37 +0200

IZh gravatar image

Already in devel.

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Asked: 2017-05-11 15:03:43 +0200

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Last updated: Jun 01