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CVE-2017-7558

Public on 2017-10-03
Modified on 2017-10-03
Description

A kernel data leak due to an out-of-bound read was found in the Linux kernel in inet_diag_msg_sctp{,l}addr_fill() and sctp_get_sctp_info() functions present since version 4.7-rc1 through version 4.13. A data leak happens when these functions fill in sockaddr data structures used to export socket's diagnostic information. As a result, up to 100 bytes of the slab data could be leaked to a userspace.

Severity
Medium
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CVSS v3 Base Score
5.1
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 kernel 2017-10-03 11:00 ALAS-2017-901

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 5.1 CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD CVSSv2 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N
NVD CVSSv3 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N