UBUNTU-CVE-2018-10323
Advisory lineage Upstream: 1 Downstream: 5
Upstream
Published: 24 Apr 2018, 00:00
Last modified:03 Jun 2026, 13:32
Vulnerability Summary
Overall Risk (default)
low
22/100 CVSS Score
5.5 MEDIUM
3.0 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
24 Apr 2018, 00:00
Published
Vulnerability first disclosed
03 Jun 2026, 13:32
Last Modified
Vulnerability information updated
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.
CVSS Metrics
- v3.0•MEDIUM•Score: 5.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Systems
- ubuntu•linux
< 3.13.0-157.207 | < 4.4.0-189.219 | < 4.15.0-33.36
- ubuntu•linux-aws
< 4.4.0-1077.81 | < 4.4.0-1113.126 | < 4.15.0-1020.20
- ubuntu•linux-azure
< 4.15.0-1022.22~16.04.1 | < 4.15.0-1022.23
- ubuntu•linux-azure-fde
all
- ubuntu•linux-azure-fde-5.15
all
- ubuntu•linux-bluefield
all
- ubuntu•linux-fips
< 4.4.0-1045.50 | all
- ubuntu•linux-gcp
< 4.15.0-1018.19~16.04.2 | < 4.15.0-1018.19
- ubuntu•linux-hwe
< 4.15.0-33.36~16.04.1
- ubuntu•linux-intel-iot-realtime
all
- ubuntu•linux-kvm
< 4.4.0-1079.86 | < 4.15.0-1020.20
- ubuntu•linux-lts-xenial
< 4.4.0-189.219~14.04.1
- ubuntu•linux-nvidia
all
- ubuntu•linux-oem
< 4.15.0-1017.20
- ubuntu•linux-raspi-realtime
all
- ubuntu•linux-raspi2
< 4.4.0-1138.147 | < 4.15.0-1021.23
- ubuntu•linux-realtime
all
- ubuntu•linux-riscv
all
- ubuntu•linux-snapdragon
< 4.4.0-1142.151 | < 4.15.0-1053.57
References (9)
- https://ubuntu.com/security/CVE-2018-10323
- https://bugzilla.kernel.org/show_bug.cgi?id=199423
- https://www.spinics.net/lists/linux-xfs/msg17254.html
- https://ubuntu.com/security/notices/USN-3752-1
- https://ubuntu.com/security/notices/USN-3752-2
- https://ubuntu.com/security/notices/USN-3754-1
- https://ubuntu.com/security/notices/USN-3752-3
- https://ubuntu.com/security/notices/USN-4486-1
- https://www.cve.org/CVERecord?id=CVE-2018-10323