CVE-2018-11412

Public on 2018-07-23
Modified on 2018-07-24
Description
The fs/ext4/inline.c:ext4_read_inline_data() function in the Linux kernel performs a memcpy with an untrusted length value in certain circumstances involving a crafted filesystem that stores the system.data extended attribute value in a dedicated inode. The unbound copy can cause memory corruption or possible privilege escalation.
Severity
Medium
CVSS v3 Base Score
6.8
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 kernel 2018-07-23 23:01 ALAS2-2018-1046
Amazon Linux 1 kernel 2018-07-23 20:51 ALAS-2018-1046

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 6.8 CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD CVSSv2 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P
NVD CVSSv3 5.9 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H