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).
References (2)
Core 2
Core References
Exploit, Third Party Advisory x_refsource_misc
https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19449
Vendor Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20200103-0001/
Scores
CVSS v3
7.8
EPSS
0.0035
EPSS Percentile
57.4%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Details
CWE
CWE-125
Status
published
Products (1)
linux/linux_kernel
5.0.21
Published
Dec 08, 2019
Tracked Since
Feb 18, 2026