CVE-2018-13100
Vulnerability Summary
Timeline
Description
An issue was discovered in fs/f2fs/super.c in the Linux kernel through 4.17.3, which does not properly validate secs_per_zone in a corrupted f2fs image, as demonstrated by a divide-by-zero error.
CVSS Metrics
- v3.0•MEDIUM•Score: 5.5CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- v2.0•MEDIUM•Score: 4.3AV:N/AC:M/Au:N/C:N/I:N/A:P
EPSS Trends
Current EPSS score: 2.32%• Percentile: 83%
Techniques & Countermeasures
- CWE-369•Divide By Zero
The product divides a value by zero.
Affected Systems
- debian•linux
< 4.18.10-1 | < 4.18.10-1 | < 4.18.10-1 | < 4.18.10-1
- ubuntu•linux
all | < 4.4.0-145.171 | < 4.15.0-58.64
- ubuntu•linux-aws
< 4.4.0-1040.43 | < 4.4.0-1079.89 | < 4.15.0-1047.49
- ubuntu•linux-aws-fips
< 4.15.0-2018.18 | all
- ubuntu•linux-aws-hwe
< 4.15.0-1047.49~16.04.1
- ubuntu•linux-azure
< 4.15.0-1059.64~14.04.1 | < 4.15.0-1055.60 | < 4.18.0-1011.11~18.04.1
- ubuntu•linux-azure-fde
all
- ubuntu•linux-azure-fips
< 4.15.0-2006.7 | all
- ubuntu•linux-bluefield
all
- ubuntu•linux-fips
< 4.4.0-1008.10
- ubuntu•linux-gcp
< 4.15.0-1040.42~16.04.1 | < 4.15.0-1040.42
- ubuntu•linux-gcp-fips
all
- ubuntu•linux-gke
all
- ubuntu•linux-gke-4.15
< 4.15.0-1040.42
- ubuntu•linux-hwe
< 4.15.0-58.64~16.04.1
- ubuntu•linux-intel-iot-realtime
all
- ubuntu•linux-kvm
< 4.4.0-1043.49 | < 4.15.0-1042.42
- ubuntu•linux-lts-xenial
< 4.4.0-144.170~14.04.1
- ubuntu•linux-oem
< 4.15.0-1050.57
- ubuntu•linux-oracle
< 4.15.0-1021.23~16.04.1 | < 4.15.0-1021.23
- ubuntu•linux-raspi-realtime
all
- ubuntu•linux-raspi2
< 4.4.0-1106.114 | < 4.15.0-1043.46 | all
- ubuntu•linux-realtime
all
- ubuntu•linux-riscv
all | all
- ubuntu•linux-snapdragon
< 4.4.0-1110.115 | < 4.15.0-1060.66
- debian•debian_linux
8.0
- linux•linux_kernel
≤ 4.17.3
References (20)
- http://www.securityfocus.com/bid/104679
- https://bugzilla.kernel.org/show_bug.cgi?id=200183
- https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html
- https://seclists.org/bugtraq/2019/Jan/52
- http://lists.opensuse.org/opensuse-security-announce/2018-10/msg00033.html
- http://packetstormsecurity.com/files/151420/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html
- https://usn.ubuntu.com/3932-1/
- https://usn.ubuntu.com/3932-2/
- https://usn.ubuntu.com/4094-1/
- https://usn.ubuntu.com/4118-1/
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=42bf546c1fe3f3654bdf914e977acbc2b80a5be5
- https://ubuntu.com/security/CVE-2018-13100
- https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git/commit/?h=f2fs-dev&id=977f9bb558cb4a95d53b10301f5c739ed8867d4d
- https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git/commit/?h=dev&id=42bf546c1fe3f3654bdf914e977acbc2b80a5be5
- https://ubuntu.com/security/notices/USN-3932-1
- https://ubuntu.com/security/notices/USN-3932-2
- https://ubuntu.com/security/notices/USN-4094-1
- https://ubuntu.com/security/notices/USN-4118-1
- https://www.cve.org/CVERecord?id=CVE-2018-13100
- https://security-tracker.debian.org/tracker/CVE-2018-13100