CVE-2018-10877
Vulnerability Summary
Timeline
Description
Linux kernel ext4 filesystem is vulnerable to an out-of-bound access in the ext4_ext_drop_refs() function when operating on a crafted ext4 filesystem image.
CVSS Metrics
- v3.0•HIGH•Score: 7.3CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
- v3.0•MEDIUM•Score: 6.5CVSS:3.0/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
- v2.0•MEDIUM•Score: 6.8AV:N/AC:M/Au:N/C:P/I:P/A:P
EPSS Trends
Current EPSS score: 2.25%• Percentile: 82%
Techniques & Countermeasures
- CWE-125•Out-of-bounds Read
The product reads data past the end, or before the beginning, of the intended buffer.
Affected Systems
- canonical•ubuntu_linux
14.04 | 16.04 | 18.04
- debian•linux
< 4.17.3-1 | < 4.17.3-1 | < 4.17.3-1 | < 4.17.3-1
- ubuntu•linux
< 3.13.0-157.207 | < 4.4.0-134.160 | < 4.15.0-44.47
- ubuntu•linux-aws
< 4.4.0-1028.31 | < 4.4.0-1066.76 | < 4.15.0-1032.34
- ubuntu•linux-aws-hwe
< 4.15.0-1032.34~16.04.1
- ubuntu•linux-azure
< 4.15.0-1037.39~14.04.2 | < 4.15.0-1037.39~16.04.1 | < 4.15.0-1037.39
- ubuntu•linux-azure-6.11
all
- ubuntu•linux-azure-fde
all
- ubuntu•linux-azure-fde-5.15
all
- ubuntu•linux-fips
< 4.4.0-1008.10
- ubuntu•linux-gcp
< 4.15.0-1027.28~16.04.1 | < 4.15.0-1027.28
- ubuntu•linux-gcp-6.11
all
- ubuntu•linux-gke
all
- ubuntu•linux-hwe
< 4.15.0-45.48~16.04.1
- ubuntu•linux-hwe-6.11
all
- ubuntu•linux-intel-iot-realtime
all
- ubuntu•linux-kvm
< 4.4.0-1032.38 | < 4.15.0-1029.29
- ubuntu•linux-lowlatency-hwe-6.11
all
- ubuntu•linux-lts-xenial
< 4.4.0-134.160~14.04.1
- ubuntu•linux-oem
< 4.15.0-1033.38
- ubuntu•linux-raspi-realtime
all
- ubuntu•linux-raspi2
< 4.4.0-1095.103 | < 4.15.0-1031.33 | all
- ubuntu•linux-realtime
all
- ubuntu•linux-riscv
all | all
- ubuntu•linux-snapdragon
< 4.4.0-1099.104
- debian•debian_linux
8.0
- linux•linux_kernel
4.16 | 4.17
- redhat•enterprise_linux
7.0
- [unknown]•kernel
n/a
References (24)
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10877
- https://usn.ubuntu.com/3753-2/
- https://usn.ubuntu.com/3754-1/
- https://usn.ubuntu.com/3871-5/
- https://usn.ubuntu.com/3871-4/
- https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html
- https://access.redhat.com/errata/RHSA-2018:2948
- https://usn.ubuntu.com/3871-1/
- http://www.securityfocus.com/bid/106503
- https://usn.ubuntu.com/3753-1/
- https://usn.ubuntu.com/3871-3/
- http://www.securityfocus.com/bid/104878
- https://ubuntu.com/security/CVE-2018-10877
- https://bugzilla.kernel.org/show_bug.cgi?id=199417
- http://patchwork.ozlabs.org/patch/929744/
- https://ubuntu.com/security/notices/USN-3753-1
- https://ubuntu.com/security/notices/USN-3753-2
- https://ubuntu.com/security/notices/USN-3754-1
- https://ubuntu.com/security/notices/USN-3871-1
- https://ubuntu.com/security/notices/USN-3871-3
- https://ubuntu.com/security/notices/USN-3871-4
- https://ubuntu.com/security/notices/USN-3871-5
- https://www.cve.org/CVERecord?id=CVE-2018-10877
- https://security-tracker.debian.org/tracker/CVE-2018-10877