CVE-2018-10883
MEDIUMCVSS 4.8/10EPSS 0.53%
Last modified
CVE-2018-10883 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. 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.. EPSS estimates a 0.53% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Debian | Debian Linux | 8.0 |
| Linux | Linux Kernel | < 4.9.110 |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 18.04 |
| Redhat | Enterprise Linux | 7.0 |
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Workstation | 7.0 |
References
- https://access.redhat.com/errata/RHSA-2018:2948Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3083Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3096Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10883Issue Tracking, Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2018/07/msg00020.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/3871-1/Third Party Advisory
- https://usn.ubuntu.com/3871-3/Third Party Advisory
- https://usn.ubuntu.com/3871-4/Third Party Advisory
- https://usn.ubuntu.com/3871-5/Third Party Advisory
- https://usn.ubuntu.com/3879-1/Third Party Advisory
- https://usn.ubuntu.com/3879-2/Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2948Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3083Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3096Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10883Issue Tracking, Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2018/07/msg00020.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/3871-1/Third Party Advisory
- https://usn.ubuntu.com/3871-3/Third Party Advisory
- https://usn.ubuntu.com/3871-4/Third Party Advisory
- https://usn.ubuntu.com/3871-5/Third Party Advisory
- https://usn.ubuntu.com/3879-1/Third Party Advisory
- https://usn.ubuntu.com/3879-2/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2018-10883?
CVE-2018-10883 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.53% probability of exploitation in the next 30 days.
How do I fix CVE-2018-10883?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2018
- CVE-2018-10878A flaw was found in the Linux kernel's ext4 filesystem. A lo…7.8
- CVE-2018-10879A flaw was found in the Linux kernel's ext4 filesystem. A lo…4.2
- CVE-2018-1088A privilege escalation flaw was found in gluster 3.x snapsho…8.1
- CVE-2018-10880Linux kernel is vulnerable to a stack-out-of-bounds write in…5.5
- CVE-2018-10881A flaw was found in the Linux kernel's ext4 filesystem. A lo…4.2
- CVE-2018-10882A flaw was found in the Linux kernel's ext4 filesystem. A lo…4.8
- CVE-2018-10884Ansible Tower before versions 3.1.8 and 3.2.6 is vulnerable …8.8
- CVE-2018-10885In atomic-openshift before version 3.10.9 a malicious networ…6.5
- CVE-2018-10886Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultI…
- CVE-2018-10887A flaw was found in libgit2 before version 0.27.3. It has be…8.1
- CVE-2018-10888A flaw was found in libgit2 before version 0.27.3. A missing…6.5
- CVE-2018-10889A flaw was found in moodle before versions 3.5.1, 3.4.4, 3.3…4.3
Are you affected by CVE-2018-10883?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST