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CVE-2016-8655

Public on 2016-12-06
Modified on 2016-12-07
Description

A race condition issue leading to a use-after-free flaw was found in the way the raw packet sockets implementation in the Linux kernel networking subsystem handled synchronization while creating the TPACKET_V3 ring buffer. A local user able to open a raw packet socket (requires the CAP_NET_RAW capability) could use this flaw to elevate their privileges on the system.

Severity
Important
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CVSS v3 Base Score
7.0
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 kernel 2016-12-06 23:44 ALAS-2016-772

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv2 6.6 AV:L/AC:M/Au:S/C:C/I:C/A:C
Amazon Linux CVSSv3 7.0 CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD CVSSv2 7.2 AV:L/AC:L/Au:N/C:C/I:C/A:C
NVD CVSSv3 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H