do not inherit mc_list from parent in kernel-net-ipv4 CVE-2017-8890 critical remote

Tracked by Jolla (In progress)

asked 2017-06-01 11:38:55 +0200

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updated 2017-06-01 11:46:12 +0200

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The inet_csk_clone_lock function in net/ipv4/inet_connection_sock.c in the Linux kernel through 4.10.15 allows attackers to cause a denial of service (double free) or possibly have unspecified other impact by leveraging use of the accept system call. CVSS v3 Base Score: 9.8 Critical (attack range: remote)

Upstream commit available, maybe backporting possible or waiting for debian-wheezy 3.2.89

file affected: kernel-adaptation-sbj- lines 606-629

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