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CVE-2019-11815

Public on 2019-05-08
Modified on 2019-05-20
Description

A flaw was found in the Linux kernel's implementation of RDS over TCP. A system that has the rds_tcp kernel module loaded (either through autoload via local process running listen(), or manual loading) could possibly cause a use after free (UAF) in which an attacker who is able to manipulate socket state while a network namespace is being torn down. This can lead to possible memory corruption and privilege escalation.

Severity
Important
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CVSS v3 Base Score
8.1
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 kernel 2019-05-20 23:27 ALAS-2019-1212
Amazon Linux 2 - Core kernel 2019-05-16 21:48 ALAS2-2019-1212

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 8.1 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD CVSSv2 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C
NVD CVSSv3 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H