CVE-2018-10877
HIGHCVSS 7.3/10EPSS 2.25%
Last modified
CVE-2018-10877 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. Linux kernel ext4 filesystem is vulnerable to an out-of-bound access in the ext4_ext_drop_refs() function when operating on a crafted ext4 filesystem image.. EPSS estimates a 2.25% chance of exploitation in the next 30 days.
Description
Linux kernel ext4 filesystem is vulnerable to an out-of-bound access in the ext4_ext_drop_refs() function when operating on a crafted ext4 filesystem image.
Metrics
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 18.04 |
| Linux | Linux Kernel | 4.16 |
| Linux | Linux Kernel | 4.17 |
| Debian | Debian Linux | 8.0 |
| Redhat | Enterprise Linux | 7.0 |
References
- http://www.securityfocus.com/bid/106503Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:2948Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10877Issue Tracking, Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2018/07/msg00020.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/3753-1/Third Party Advisory
- https://usn.ubuntu.com/3753-2/Third Party Advisory
- https://usn.ubuntu.com/3754-1/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-2018:2948Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10877Issue Tracking, Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2018/07/msg00020.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/3753-1/Third Party Advisory
- https://usn.ubuntu.com/3753-2/Third Party Advisory
- https://usn.ubuntu.com/3754-1/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-2018-10877?
Linux kernel ext4 filesystem is vulnerable to an out-of-bound access in the ext4_ext_drop_refs() function when operating on a crafted ext4 filesystem image.
How severe is CVE-2018-10877?
CVE-2018-10877 has a CVSS score of 7.3/10 (HIGH severity). The EPSS model estimates a 2.25% probability of exploitation in the next 30 days.
How do I fix CVE-2018-10877?
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-2018-10877?
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