CVE-2018-10881
Vulnerability Summary
Timeline
Description
A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause an out-of-bound access in ext4_get_group_info function, a denial of service, and a system crash by mounting and operating on a crafted ext4 filesystem image.
CVSS Metrics
- v3.0•MEDIUM•Score: 4.2CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- v3.0•MEDIUM•Score: 5.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- v2.0•MEDIUM•Score: 4.9AV:L/AC:L/Au:N/C:N/I:N/A:C
EPSS Trends
Current EPSS score: 0.77%• Percentile: 54%
Techniques & Countermeasures
- CWE-787•Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.
- CWE-119•Improper Restriction of Operations within the Bounds of a Memory Buffer
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
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 | < 4.15.0-33.36
- ubuntu•linux-aws
< 4.4.0-1028.31 | < 4.4.0-1066.76 | < 4.15.0-1020.20
- ubuntu•linux-azure
< 4.15.0-1022.22~16.04.1 | < 4.15.0-1022.23
- 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
< 4.15.0-1018.19~16.04.2 | < 4.15.0-1018.19
- ubuntu•linux-gcp-6.11
all
- ubuntu•linux-gke
all
- ubuntu•linux-hwe
< 4.15.0-33.36~16.04.1
- ubuntu•linux-hwe-6.11
all
- ubuntu•linux-intel-iot-realtime
all
- ubuntu•linux-kvm
< 4.4.0-1032.38 | < 4.15.0-1020.20
- ubuntu•linux-lowlatency-hwe-6.11
all
- ubuntu•linux-lts-xenial
< 4.4.0-134.160~14.04.1
- ubuntu•linux-oem
< 4.15.0-1017.20
- ubuntu•linux-raspi-realtime
all
- ubuntu•linux-raspi2
< 4.4.0-1095.103 | < 4.15.0-1021.23 | 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
< 4.17.6
- redhat•enterprise_linux_desktop
7.0
- redhat•enterprise_linux_for_real_time
7.0
- redhat•enterprise_linux_for_real_time_for_nfv
7
- redhat•enterprise_linux_server
7.0
- redhat•enterprise_linux_workstation
7.0
- [unknown]•kernel
n/a
References (24)
- https://usn.ubuntu.com/3752-2/
- https://access.redhat.com/errata/RHSA-2018:3083
- https://usn.ubuntu.com/3752-3/
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10881
- http://patchwork.ozlabs.org/patch/929792/
- https://usn.ubuntu.com/3753-2/
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6e8ab72a812396996035a37e5ca4b3b99b5d214b
- http://www.securityfocus.com/bid/104901
- https://usn.ubuntu.com/3754-1/
- https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html
- https://access.redhat.com/errata/RHSA-2018:2948
- https://bugzilla.kernel.org/show_bug.cgi?id=200015
- https://usn.ubuntu.com/3752-1/
- https://access.redhat.com/errata/RHSA-2018:3096
- https://usn.ubuntu.com/3753-1/
- https://ubuntu.com/security/CVE-2018-10881
- https://ubuntu.com/security/notices/USN-3752-1
- https://ubuntu.com/security/notices/USN-3752-2
- 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-3752-3
- https://www.cve.org/CVERecord?id=CVE-2018-10881
- https://security-tracker.debian.org/tracker/CVE-2018-10881