CVE-2018-10323

MEDIUM

Linux Kernel < 4.16.3 - Denial of Service via xfs_bmap_extents_to_btree NULL Pointer Dereference

Title source: llm
STIX 2.1

Description

The xfs_bmap_extents_to_btree function in fs/xfs/libxfs/xfs_bmap.c in the Linux kernel through 4.16.3 allows local users to cause a denial of service (xfs_bmapi_write NULL pointer dereference) via a crafted xfs image.

References (9)

Core 9
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, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/103959
Patch, Third Party Advisory x_refsource_misc
https://www.spinics.net/lists/linux-xfs/msg17254.html
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2018/dsa-4188
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3754-1/
Exploit, Issue Tracking, Vendor Advisory x_refsource_misc
https://bugzilla.kernel.org/show_bug.cgi?id=199423
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3752-1/
Vendor Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4486-1/

Scores

CVSS v3 5.5
EPSS 0.0008
EPSS Percentile 24.4%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-476
Status published
Products (5)
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 18.04
debian/debian_linux 9.0
linux/linux_kernel < 4.16.3
Published Apr 24, 2018
Tracked Since Feb 18, 2026