CVE-2018-10876
MEDIUMCVSS 5/10EPSS 0.77%
Last modified
CVE-2018-10876 is a medium-severity vulnerability rated 5/10 on the CVSS scale. A flaw was found in Linux kernel in the ext4 filesystem code. A use-after-free is possible in ext4_ext_remove_space() function when mounting and operating a crafted ext4 image.. EPSS estimates a 0.77% chance of exploitation in the next 30 days.
Description
A flaw was found in Linux kernel in the ext4 filesystem code. A use-after-free is possible in ext4_ext_remove_space() function when mounting and operating a crafted ext4 image.
Metrics
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | All versions |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 18.04 |
| Debian | Debian Linux | 8.0 |
References
- http://www.securityfocus.com/bid/106503Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2019:0525Third Party Advisory
- https://bugzilla.kernel.org/show_bug.cgi?id=199403Exploit, Issue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10876Issue Tracking, Patch
- https://lists.debian.org/debian-lts-announce/2018/07/msg00020.htmlThird Party Advisory
- https://usn.ubuntu.com/3753-1/Third Party Advisory
- https://usn.ubuntu.com/3753-2/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
- http://www.securityfocus.com/bid/106503Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2019:0525Third Party Advisory
- https://bugzilla.kernel.org/show_bug.cgi?id=199403Exploit, Issue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10876Issue Tracking, Patch
- https://lists.debian.org/debian-lts-announce/2018/07/msg00020.htmlThird Party Advisory
- https://usn.ubuntu.com/3753-1/Third Party Advisory
- https://usn.ubuntu.com/3753-2/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
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-10876?
A flaw was found in Linux kernel in the ext4 filesystem code. A use-after-free is possible in ext4_ext_remove_space() function when mounting and operating a crafted ext4 image.
How severe is CVE-2018-10876?
CVE-2018-10876 has a CVSS score of 5/10 (MEDIUM severity). The EPSS model estimates a 0.77% probability of exploitation in the next 30 days.
How do I fix CVE-2018-10876?
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.
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Are you affected by CVE-2018-10876?
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