CVE-2020-14304
Summary
| CVE | CVE-2020-14304 |
|---|---|
| State | PUBLISHED |
| Assigner | redhat |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2020-09-15 20:15:13 UTC |
| Updated | 2026-10-07 19:17:16 UTC |
| Description | A memory disclosure flaw was found in the Linux kernel's ethernet drivers, in the way it read data from the EEPROM of the device. This flaw allows a local user to read uninitialized values from the kernel memory. The highest threat from this vulnerability is to confidentiality. |
Risk And Classification
Primary CVSS: v3.1 4.4 MEDIUM from [email protected]
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
EPSS: 0.003820000 probability, percentile 0.300440000 (date 2026-10-07)
Problem Types: CWE-460 | CWE-755 | CWE-460 CWE-460
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 4.4 | MEDIUM | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |
| 3.1 | [email protected] | Secondary | 4.4 | MEDIUM | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |
| 3.1 | CNA | DECLARED | 4.4 | MEDIUM | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |
| 2.0 | [email protected] | Primary | 2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
HighUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
NoneAvailability
NoneCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
CVSS v2.0 Breakdown
Access Vector
LocalAccess Complexity
LowAuthentication
NoneConfidentiality
PartialIntegrity
NoneAvailability
NoneAV:L/AC:L/Au:N/C:P/I:N/A:N
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Linux | Linux Kernel | 4.19.118-2 | All | All | All |
| Operating System | Linux | Linux Kernel | 4.9.210-1 | All | All | All |
| Operating System | Linux | Linux Kernel | 5.6.7-1 | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux Kernel | Kernel | affected 5.6.7-1 | Not specified |
| CNA | Linux Kernel | Kernel | affected 4.19.118-2 | Not specified |
| CNA | Linux Kernel | Kernel | affected 4.9.210-1 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| 1847539 – (CVE-2020-14304) CVE-2020-14304 kernel: ethtool when reading eeprom of device could lead to memory leak | af854a3a-2127-422b-91ae-364da2661108 | bugzilla.redhat.com | Issue Tracking, Third Party Advisory |
| #960702 - ethtool -m values change when output is redirected - Debian Bug report logs | af854a3a-2127-422b-91ae-364da2661108 | bugs.debian.org | Issue Tracking, Third Party Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 159332 Oracle Enterprise Linux Security Update for Unbreakable Enterprise kernel (ELSA-2021-9395)
- 159338 Oracle Enterprise Linux Security Update for Unbreakable Enterprise kernel (ELSA-2021-9404)
- 159339 Oracle Enterprise Linux Security Update for Unbreakable Enterprise kernel-container (ELSA-2021-9406)
- 159340 Oracle Enterprise Linux Security Update for Unbreakable Enterprise kernel (ELSA-2021-9407)
- 159341 Oracle Enterprise Linux Security Update for Unbreakable Enterprise kernel-container (ELSA-2021-9410)
- 390220 Oracle Managed Virtualization (VM) Server for x86 Security Update for kernel (OVMSA-2021-0025)