CVE-2018-10883
Published Jul 30, 2018 · Updated Oct 23, 2026
Original summary
Normalized public record · Updated Oct 23, 2026
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.
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
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.
Evidence: public source recordsAffected products
| Affected package, product or range | Fix status |
|---|---|
| Consult the referenced vendor advisory for affected versions. | Consult source advisory |
Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.
Remediation
Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.
- Confirm the affected product and reachable code path exist in your environment.
- Apply the vendor-supported patch or mitigation from the primary advisory.
- Rescan the exact deployed revision and retain verification evidence.
Evidence coverage
- SSVC priority
- LOW
- Confidence
- Not available
- Aliases
- None reported
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
- RHSA-2018:3083 ↗
- USN-3879-2 ↗
- USN-3879-1 ↗
- bugzilla.redhat.com ↗
- Patch commit ↗
- USN-3871-5 ↗
- USN-3871-4 ↗
- [debian-lts-announce] 20180718 [SECURITY] [DLA 1423-1] linux-4.9 new package ↗
- RHSA-2018:2948 ↗
- Patch commit ↗
- USN-3871-1 ↗
- RHSA-2018:3096 ↗
Record history
Published Jul 30, 2018 · Last refreshed Oct 23, 2026