The rtnl_fill_link_ifmap function in net/core/rtnetlink.c in the Linux kernel before 4.5.5 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel stack memory by reading a Netlink message.
結論預警: CVE-2016-4486 綜合評估為存在公開利用（55.5/100）：CVSS 技術影響為低級，利用機率（EPSS 1.71%） 核心證據: 已收錄 1 筆公開利用參考（Exploit-DB）。 近一日 EPSS 上升 +1.25%，被利用關注度持續升高。 強制指令: 存在公開利用—請盤點暴露面、落實緩解措施並優先修補。
風險隨態勢動態變化；本站持續評估並同步更新本頁展示內容。
| EDB-ID | 來源 | 類型 | 公開時間 | 連結 |
|---|---|---|---|---|
| 46006 | exploit_db | edb | 2018-12-19 | Exploit-DB ↗ |
EPSS 日更估計相對被利用可能性；百分位表示該 CVE 在已評分漏洞中的相對排名（越高表示相對更嚴重）。
| # | 日期 | 舊 EPSS 分數 | 新 EPSS 分數 | 變化（新 − 舊） |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.46% | 1.71% | +1.25% |
| 2 | 2025-05-18 | 0.33% | 0.46% | +0.13% |
| 3 | 2025-03-30 | — | 0.33% | — |
完整 EPSS 歷史 （共 7 筆）
該 CVE 的 CVSS 指標。
| 底座分 | 版本 | 嚴重度 | 向量 | 可利用性 | 影響 | 分數來源 |
|---|---|---|---|---|---|---|
| 3.3 | 3.0 | LOW |
|
1.8 | 1.4 | [email protected] |
| 2.1 | 2.0 | LOW |
|
3.9 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2016-4486 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-2016-4486 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2016-4486 |
suse
|
low | CVE-2016-4486 severity low: SUSE including 226 source package names (kernel-bigsmp-3.0.101-0.47.86.1, kernel-bigsmp-base-3.0.101-0.47.86.1, …), 510 product×package rows across 71 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 6, … (71 product lines)): Fixed 371, Known Not Affected 139. | https://www.suse.com/security/cve/CVE-2016-4486/ |
ubuntu
|
medium | CVE-2016-4486 medium priority: Ubuntu including 99 source packages (linux, linux-armadaxp, …), 828 status rows across 13 suites (artful, bionic, focal, jammy, noble, plucky, precise, trusty, upstream, wily, xenial, yakkety, zesty): DNE 549, not-affected 133, released 113, ignored 33. | https://ubuntu.com/security/CVE-2016-4486 |
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| novell | suse_linux_enterprise_software_development_kit | 11.0 | cpe:2.3:a:novell:suse_linux_enterprise_software_development_kit:11.0:sp4:*:*:*:*:*:* |
| novell | suse_linux_enterprise_software_development_kit | 12.0 | cpe:2.3:a:novell:suse_linux_enterprise_software_development_kit:12.0:*:*:*:*:*:*:* |
| novell | suse_linux_enterprise_software_development_kit | 12.0 | cpe:2.3:a:novell:suse_linux_enterprise_software_development_kit:12.0:sp1:*:*:*:*:*:* |
| novell | suse_linux_enterprise_debuginfo | 11.0 | cpe:2.3:o:novell:suse_linux_enterprise_debuginfo:11.0:sp4:*:*:*:*:*:* |
| novell | suse_linux_enterprise_desktop | 12.0 | cpe:2.3:o:novell:suse_linux_enterprise_desktop:12.0:*:*:*:*:*:*:* |
| novell | suse_linux_enterprise_desktop | 12.0 | cpe:2.3:o:novell:suse_linux_enterprise_desktop:12.0:sp1:*:*:*:*:*:* |
| novell | suse_linux_enterprise_live_patching | 12.0 | cpe:2.3:o:novell:suse_linux_enterprise_live_patching:12.0:*:*:*:*:*:*:* |
| novell | suse_linux_enterprise_module_for_public_cloud | 12.0 | cpe:2.3:o:novell:suse_linux_enterprise_module_for_public_cloud:12.0:*:*:*:*:*:*:* |
| novell | suse_linux_enterprise_real_time_extension | 12.0 | cpe:2.3:o:novell:suse_linux_enterprise_real_time_extension:12.0:sp1:*:*:*:*:*:* |
| novell | suse_linux_enterprise_server | 11.0 | cpe:2.3:o:novell:suse_linux_enterprise_server:11.0:extra:*:*:*:*:*:* |
| novell | suse_linux_enterprise_server | 11.0 | cpe:2.3:o:novell:suse_linux_enterprise_server:11.0:sp4:*:*:*:*:*:* |
| novell | suse_linux_enterprise_server | 12.0 | cpe:2.3:o:novell:suse_linux_enterprise_server:12.0:*:*:*:*:*:*:* |
| novell | suse_linux_enterprise_server | 12.0 | cpe:2.3:o:novell:suse_linux_enterprise_server:12.0:sp1:*:*:*:*:*:* |
| novell | suse_linux_enterprise_workstation_extension | 12.0 | cpe:2.3:o:novell:suse_linux_enterprise_workstation_extension:12.0:*:*:*:*:*:*:* |
| novell | suse_linux_enterprise_workstation_extension | 12.0 | cpe:2.3:o:novell:suse_linux_enterprise_workstation_extension:12.0:sp1:*:*:*:*:*:* |
| canonical | ubuntu_linux | 12.04 | cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 14.04 | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 15.10 | cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 16.04 | cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* |
| linux | linux_kernel | <= 4.5.4 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |