Description
Linux kernel is vulnerable to a heap-based buffer overflow in the fs/ext4/xattr.c:ext4_xattr_set_entry() function. An attacker could exploit this by operating on a mounted crafted ext4 image.
References (6)
Core 6
Core References
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3752-2/
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3752-3/
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:0162
Exploit, Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10840
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/104858
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3752-1/
Scores
CVSS v3
6.6
EPSS
0.0010
EPSS Percentile
27.7%
Attack Vector
PHYSICAL
CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-122
CWE-787
Status
published
Products (4)
canonical/ubuntu_linux
14.04
canonical/ubuntu_linux
18.04
linux/linux_kernel
redhat/enterprise_linux
7.0
Published
Jul 16, 2018
Tracked Since
Feb 18, 2026