CVE-2018-10883 json
A flaw was found in the Linux kernel's ext4 filesystem.
published 2018-07-30 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-2947
- cvss
- 4.8
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 45%
- public exploits
- 0
- none known
Summary
A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause an out-of-bounds write in jbd2_journal_dirty_metadata(), a denial of service, and a system crash by mounting and operating on a crafted ext4 filesystem image.
Patch / fix
- linux linux_kernel 4.9.110
- linux Debian 14, Debian 13, Debian 12 4.17.3-1
debian advisories DEBIAN-CVE-2018-10883
- linux Ubuntu 16.04 LTS 4.4.0-142.168
- linux Ubuntu 18.04 LTS 4.15.0-44.47
- linux-aws Ubuntu 14.04 LTS 4.4.0-1038.41
- linux-aws Ubuntu 16.04 LTS 4.4.0-1075.85
- linux-aws Ubuntu 18.04 LTS 4.15.0-1032.34
- linux-gcp Ubuntu 16.04 LTS 4.15.0-1027.28~16.04.1
- linux-gcp Ubuntu 18.04 LTS 4.15.0-1027.28
- linux-hwe Ubuntu 16.04 LTS 4.15.0-45.48~16.04.1
ubuntu advisories UBUNTU-CVE-2018-10883
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- kernel-alt RHEL 7 4.14.0-115.el7a
- perf RHEL 7 4.14.0-115.el7a
- kernel RHEL 7 4.14.0-115.el7a
- python-perf RHEL 7 4.14.0-115.el7a
- kernel-tools RHEL 7 4.14.0-115.el7a
- kernel-tools-libs RHEL 7 4.14.0-115.el7a
- kernel-bootwrapper RHEL 7 4.14.0-115.el7a
- kernel-abi-whitelists RHEL 7 4.14.0-115.el7a
red hat advisories RHSA-2018:2948RHSA-2018:3096RHSA-2018:3083
- kernel-syms SLES for SAP 12 SP2, SLES 12 SP2-LTSS, SLES 12 SP2-BCL +2 more 4.4.121-92.95.1
- kernel-source SLES for SAP 12 SP2, SLES 12 SP2-LTSS, SLES 12 SP2-BCL +2 more 4.4.121-92.95.1
- lttng-modules SLES for SAP 12 SP2, SLES 12 SP2-LTSS, SLES 12 SP2-BCL +2 more 2.7.1-9.6.1
- kernel-default SLES for SAP 12 SP2, SLES 12 SP2-LTSS, SLES 12 SP2-BCL +3 more 4.4.121-92.95.1
- kgraft-patch-SLE12-SP2_Update_25 SLES for SAP 12 SP2, SLES 12 SP2-LTSS, OpenStack Cloud 7 +1 more 1-3.4.1
- kernel-ec2 SLE Module for Public Cloud 12 3.12.61-52.146.1
- kernel-ec2 SLE Module for Public Cloud 12 3.12.74-60.64.104.1
- kernel-azure SLES for SAP 12 SP3, SLES 12 SP3 4.4.155-4.16.1
suse advisories SUSE-SU-2018:2908-2SUSE-SU-2018:3084-1SUSE-SU-2018:3083-1SUSE-SU-2018:2908-1SUSE-SU-2018:2858-1SUSE-SU-2018:2776-1
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2018-10883 updated cvss 4.8
kernel: stack-out-of-bounds write in jbd2_journal_dirty_metadata function
-
Red Hat Enterprise MRG 2 kernel-rt, mrg-rt-release, kernel-rt-trace, kernel-rt-vanilla, kernel-rt-firmwareaffected: no fix available “Fix deferred”
-
Red Hat Enterprise Linux Client (v. 7) perf 3.10.0-957.el7, kernel 3.10.0-957.el7, bpftool 3.10.0-957.el7, python-perf 3.10.0-957.el7, kernel-tools 3.10.0-957.el7, kernel-tools-libs 3.10.0-957.el7, +2 more Red Hat Enterprise Linux Client Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-957.el7 Red Hat Enterprise Linux ComputeNode (v. 7) perf 3.10.0-957.el7, kernel 3.10.0-957.el7, bpftool 3.10.0-957.el7, python-perf 3.10.0-957.el7, kernel-tools 3.10.0-957.el7, kernel-tools-libs 3.10.0-957.el7, +2 more Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-957.el7 Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) perf 3.10.0-957.el7, perf 4.14.0-115.el7a, kernel 3.10.0-957.el7, kernel 4.14.0-115.el7a, kernel-alt 4.14.0-115.el7a, python-perf 3.10.0-957.el7, +13 more Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) kernel-debuginfo-common-ppc64le 3.10.0-957.el7, kernel-debuginfo-common-ppc64le 4.14.0-115.el7afixed: vendor fix RHSA-2018:3083
-
Red Hat Enterprise Linux for Real Time (v. 7) kernel-rt 3.10.0-957.rt56.910.el7, kernel-rt-trace 3.10.0-957.rt56.910.el7 Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt 3.10.0-957.rt56.910.el7, kernel-rt-kvm 3.10.0-957.rt56.910.el7, kernel-rt-trace 3.10.0-957.rt56.910.el7, kernel-rt-debug-kvm 3.10.0-957.rt56.910.el7, kernel-rt-trace-kvm 3.10.0-957.rt56.910.el7, kernel-rt-debuginfo-common-x86_64 3.10.0-957.rt56.910.el7fixed: vendor fix RHSA-2018:3096
-
Red Hat Enterprise Linux Server (v. 7) perf 3.10.0-957.el7, kernel 3.10.0-957.el7, bpftool 3.10.0-957.el7, python-perf 3.10.0-957.el7, kernel-kdump 3.10.0-957.el7, kernel-tools 3.10.0-957.el7, +7 more Red Hat Enterprise Linux Server Optional (v. 7) kernel-debuginfo-common-ppc64 3.10.0-957.el7, kernel-debuginfo-common-x86_64 3.10.0-957.el7, kernel-debuginfo-common-ppc64le 3.10.0-957.el7 Red Hat Enterprise Linux Workstation (v. 7) perf 3.10.0-957.el7, kernel 3.10.0-957.el7, bpftool 3.10.0-957.el7, python-perf 3.10.0-957.el7, kernel-tools 3.10.0-957.el7, kernel-tools-libs 3.10.0-957.el7, +2 more Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-957.el7fixed: vendor fix RHSA-2018:3083
-
Red Hat Enterprise Linux 5 kernel Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 8 perf, kernel, bpftool, kernel-core, kernel-tools, python3-perf, +17 more Red Hat Enterprise Linux Client (v. 7) kernel-headers 3.10.0-957.el7 Red Hat Enterprise Linux ComputeNode (v. 7) kernel-headers 3.10.0-957.el7 Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) kernel-headers 3.10.0-957.el7not affected: vulnerable code not present
+2 more productsfewer
Red Hat Enterprise Linux Server (v. 7) kernel-headers 3.10.0-957.el7 Red Hat Enterprise Linux Workstation (v. 7) kernel-headers 3.10.0-957.el7
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
0.53% chance of exploitation in the next 30 days, higher than 45% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 4.8 | CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H |
| NVD | 3.0 | 5.5 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.9 | AV:L/AC:L/Au:N/C:N/I:N/A:C |
Affected products
- [UNKNOWN] kernel
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
- Technology feeds
References
-
git.kernel.org
/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e09463f220ca9a1a1ecfda84fcda658f99a1f12a
patch, vendor-advisory
-
git.kernel.org
/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8bc1379b82b8e809eef77a9fedbb75c6c297be19
patch, vendor-advisory
-
bugzilla.redhat.com
/show_bug.cgi?id=CVE-2018-10883
issue-tracking, patch, vendor-advisory
-
access.redhat.com
/errata/RHSA-2018:3083
vendor-advisory, third-party-advisory
-
usn.ubuntu.com
/3879-2/
vendor-advisory, third-party-advisory
-
usn.ubuntu.com
/3879-1/
vendor-advisory, third-party-advisory
-
usn.ubuntu.com
/3871-5/
vendor-advisory, third-party-advisory
-
usn.ubuntu.com
/3871-4/
vendor-advisory, third-party-advisory
-
access.redhat.com
/errata/RHSA-2018:2948
vendor-advisory, third-party-advisory
-
usn.ubuntu.com
/3871-1/
vendor-advisory, third-party-advisory
-
access.redhat.com
/errata/RHSA-2018:3096
vendor-advisory, third-party-advisory
-
usn.ubuntu.com
/3871-3/
vendor-advisory, third-party-advisory
-
lists.debian.org
/debian-lts-announce/2018/07/msg00020.html
mailing-list, third-party-advisory
- support.f5.com /csp/article/K94735334?utm_source=f5support&%3Butm_medium=RSS
Sources
- CVE List CVE-2018-10883
- NVD CVE-2018-10883
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.