CVE-2020-14314
Published Sep 15, 2020 · Updated Nov 3, 2026
Original summary
Normalized public record · Updated Nov 3, 2026
A memory out-of-bounds read flaw was found in the Linux kernel before 5.9-rc2 with the ext3/ext4 file system, in the way it accesses a directory with broken indexing. This flaw allows a local user to crash the system if the directory exists. The highest threat from this vulnerability is to system availability.
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
A memory out-of-bounds read flaw was found in the Linux kernel before 5.9-rc2 with the ext3/ext4 file system, in the way it accesses a directory with broken indexing. This flaw allows a local user to crash the system if the directory exists. The highest threat from this vulnerability is to system availability.
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
- Patch commit ↗
- lore.kernel.org ↗
- bugzilla.redhat.com ↗
- [debian-lts-announce] 20200928 [SECURITY] [DLA 2385-1] linux-4.19 security update ↗
- USN-4576-1 ↗
- USN-4578-1 ↗
- USN-4579-1 ↗
- [debian-lts-announce] 20201030 [SECURITY] [DLA 2420-1] linux security update ↗
- [debian-lts-announce] 20201031 [SECURITY] [DLA 2420-2] linux regression update ↗
- www.starwindsoftware.com ↗
Record history
Published Sep 15, 2020 · Last refreshed Nov 3, 2026