Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2018-10883

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.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 4.8, but requires specific conditions to be met without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts limited integrity, and availability (service disruption) for affected systems. Impacting 7 products from debian, from linux, from canonical and 4 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2018, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2018-07-30T16:29:00.220

Last Modified

2024-11-21T03:42:13.200

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 4.8 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:N/I:N/A:C

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

3.9

Impact Score

6.9

Weaknesses

Type: Secondary
CWE-787
Type: Secondary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	debian	debian_linux	8.0	Yes
Operating System	linux	linux_kernel	< 4.9.110	Yes
Operating System	canonical	ubuntu_linux	14.04	Yes
Operating System	canonical	ubuntu_linux	16.04	Yes
Operating System	canonical	ubuntu_linux	18.04	Yes
Operating System	redhat	enterprise_linux	7.0	Yes
Operating System	redhat	enterprise_linux_desktop	7.0	Yes
Operating System	redhat	enterprise_linux_server	7.0	Yes
Operating System	redhat	enterprise_linux_workstation	7.0	Yes

References

https://access.redhat.com/errata/RHSA-2018:2948 Third Party Advisory ([email protected])
https://access.redhat.com/errata/RHSA-2018:3083 Third Party Advisory ([email protected])
https://access.redhat.com/errata/RHSA-2018:3096 Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10883 Issue Tracking, Patch, Vendor Advisory ([email protected])
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8bc1379b82b8e809eef77a9fedbb75c6c297be19 Patch, Vendor Advisory ([email protected])
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e09463f220ca9a1a1ecfda84fcda658f99a1f12a Patch, Vendor Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html Mailing List, Third Party Advisory ([email protected])
https://support.f5.com/csp/article/K94735334?utm_source=f5support&amp%3Butm_medium=RSS ([email protected])
https://usn.ubuntu.com/3871-1/ Third Party Advisory ([email protected])
https://usn.ubuntu.com/3871-3/ Third Party Advisory ([email protected])
https://usn.ubuntu.com/3871-4/ Third Party Advisory ([email protected])
https://usn.ubuntu.com/3871-5/ Third Party Advisory ([email protected])
https://usn.ubuntu.com/3879-1/ Third Party Advisory ([email protected])
https://usn.ubuntu.com/3879-2/ Third Party Advisory ([email protected])
https://access.redhat.com/errata/RHSA-2018:2948 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2018:3083 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2018:3096 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10883 Issue Tracking, Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8bc1379b82b8e809eef77a9fedbb75c6c297be19 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e09463f220ca9a1a1ecfda84fcda658f99a1f12a Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.f5.com/csp/article/K94735334?utm_source=f5support&amp%3Butm_medium=RSS (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/3871-1/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/3871-3/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/3871-4/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/3871-5/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/3879-1/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/3879-2/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For debian's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.