CVE-2019-19449 Information

Description

In the Linux kernel 5.0.21 mounting a crafted f2fs filesystem image can lead to slab-out-of-bounds read access in f2fs_build_segment_manager in fs/f2fs/segment.c related to init_min_max_mtime in fs/f2fs/segment.c (because the second argument to get_seg_entry is not validated).

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19449 https://security.netapp.com/advisory/ntap-20200103-0001/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8