The rd_build_device_space function in drivers/target/target_core_rd.c in the Linux kernel before 3.14 does not properly initialize a certain data structure, which allows local users to obtain sensitive information from ramdisk_mcp memory by leveraging access to a SCSI initiator.
Conclusion & alert: CVE-2014-4027 is rated Low Risk (19.1/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.13%). Mandatory action: Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-03-30 | 0.62% | 0.13% | -0.48% |
| 2 | 2025-03-29 | 0.13% | 0.62% | +0.48% |
| 3 | 2025-03-17 | — | 0.13% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 2.3 | 2.0 | LOW |
|
4.4 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2014-4027 not yet assigned priority: Debian including 1 source packages (linux), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2014-4027 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2014-4027 |
ubuntu
|
medium | CVE-2014-4027 medium priority: Ubuntu including 31 source packages (linux, linux-2.6, …), 306 status rows across 11 suites (lucid, precise, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): DNE 215, released 37, ignored 33, not-affected 21. | https://ubuntu.com/security/CVE-2014-4027 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| linux | linux_kernel | < 3.14 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 6.0 | cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 12.04 | cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* |
| suse | linux_enterprise_desktop | 11 | cpe:2.3:o:suse:linux_enterprise_desktop:11:sp3:*:*:*:*:*:* |
| suse | linux_enterprise_high_availability_extension | 11 | cpe:2.3:o:suse:linux_enterprise_high_availability_extension:11:sp3:*:*:*:*:*:* |
| suse | linux_enterprise_real_time_extension | 11 | cpe:2.3:o:suse:linux_enterprise_real_time_extension:11:sp3:*:*:*:*:*:* |
| suse | linux_enterprise_server | 11 | cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:*:-:*:* |
| suse | linux_enterprise_server | 11 | cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:*:vmware:*:* |
| f5 | big-ip_access_policy_manager | >= 11.1.0, <= 11.6.0 | cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* |
| f5 | big-ip_access_policy_manager | 12.0.0 | cpe:2.3:a:f5:big-ip_access_policy_manager:12.0.0:*:*:*:*:*:*:* |
| f5 | big-ip_advanced_firewall_manager | >= 11.3.0, <= 11.6.0 | cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* |
| f5 | big-ip_advanced_firewall_manager | 12.0.0 | cpe:2.3:a:f5:big-ip_advanced_firewall_manager:12.0.0:*:*:*:*:*:*:* |
| f5 | big-ip_analytics | >= 11.1.0, <= 11.6.0 | cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* |
| f5 | big-ip_analytics | 12.0.0 | cpe:2.3:a:f5:big-ip_analytics:12.0.0:*:*:*:*:*:*:* |
| f5 | big-ip_application_acceleration_manager | >= 11.4.0, <= 11.6.0 | cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* |
| f5 | big-ip_application_acceleration_manager | 12.0.0 | cpe:2.3:a:f5:big-ip_application_acceleration_manager:12.0.0:*:*:*:*:*:*:* |
| f5 | big-ip_application_security_manager | >= 11.1.0, <= 11.6.0 | cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* |
| f5 | big-ip_application_security_manager | 12.0.0 | cpe:2.3:a:f5:big-ip_application_security_manager:12.0.0:*:*:*:*:*:*:* |
| f5 | big-ip_domain_name_system | 12.0.0 | cpe:2.3:a:f5:big-ip_domain_name_system:12.0.0:*:*:*:*:*:*:* |
| f5 | big-ip_edge_gateway | >= 11.1.0, <= 11.3.0 | cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:* |
| f5 | big-ip_global_traffic_manager | >= 11.1.0, <= 11.6.0 | cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* |
| f5 | big-ip_link_controller | >= 11.1.0, <= 11.6.0 | cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* |
| f5 | big-ip_link_controller | 12.0.0 | cpe:2.3:a:f5:big-ip_link_controller:12.0.0:*:*:*:*:*:*:* |
| f5 | big-ip_local_traffic_manager | >= 11.1.0, <= 11.6.0 | cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* |
| f5 | big-ip_local_traffic_manager | 12.0.0 | cpe:2.3:a:f5:big-ip_local_traffic_manager:12.0.0:*:*:*:*:*:*:* |
| f5 | big-ip_policy_enforcement_manager | >= 11.3.0, <= 11.6.0 | cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* |
| f5 | big-ip_policy_enforcement_manager | 12.0.0 | cpe:2.3:a:f5:big-ip_policy_enforcement_manager:12.0.0:*:*:*:*:*:*:* |
| f5 | big-ip_protocol_security_module | >= 11.1.0, <= 11.4.1 | cpe:2.3:a:f5:big-ip_protocol_security_module:*:*:*:*:*:*:*:* |
| f5 | big-ip_wan_optimization_manager | >= 11.1.0, <= 11.3.0 | cpe:2.3:a:f5:big-ip_wan_optimization_manager:*:*:*:*:*:*:*:* |
| f5 | big-ip_webaccelerator | >= 11.1.0, <= 11.3.0 | cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:* |
| f5 | big-iq_application_delivery_controller | 4.5.0 | cpe:2.3:a:f5:big-iq_application_delivery_controller:4.5.0:*:*:*:*:*:*:* |
| f5 | big-iq_cloud | >= 4.0.0, <= 4.5.0 | cpe:2.3:a:f5:big-iq_cloud:*:*:*:*:*:*:*:* |
| f5 | big-iq_device | >= 4.2.0, <= 4.5.0 | cpe:2.3:a:f5:big-iq_device:*:*:*:*:*:*:*:* |
| f5 | big-iq_security | >= 4.0.0, <= 4.5.0 | cpe:2.3:a:f5:big-iq_security:*:*:*:*:*:*:*:* |
| f5 | enterprise_manager | >= 3.0.0, <= 3.1.1 | cpe:2.3:a:f5:enterprise_manager:*:*:*:*:*:*:*:* |