CVE-2018-11412 Information

Description

In the Linux kernel 4.13 through 4.16.11 ext4_read_inline_data() in fs/ext4/inline.c 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.

CVSS Vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

http://www.securityfocus.com/bid/104291 https://access.redhat.com/errata/RHSA-2019:0525 https://bugs.chromium.org/p/project-zero/issues/detail?id=1580 https://bugzilla.kernel.org/show_bug.cgi?id=199803 https://usn.ubuntu.com/3752-1/ https://usn.ubuntu.com/3752-2/ https://usn.ubuntu.com/3752-3/ https://www.exploit-db.com/exploits/44832/

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.9