A local information disclosure issue was found in dracut before 045 when generating initramfs images with world-readable permissions when 'early cpio' is used, such as when including microcode updates. Local attacker can use this to obtain sensitive information from these files, such as encryption keys or credentials.
結論預警: CVE-2016-8637 綜合評估為存在公開利用(50/100):CVSS 技術影響為中級,利用機率偏低(EPSS 0.31%) 核心證據: 已收錄 2 筆公開利用參考(Exploit-DB)。 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 |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | 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 | 0.07% | 0.31% | +0.24% |
| 2 | 2025-08-30 | 0.05% | 0.07% | +0.02% |
| 3 | 2025-08-19 | — | 0.05% | — |
完整 EPSS 歷史 (共 6 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 |
|---|---|---|---|---|---|---|
| 5.0 | 3.0 | MEDIUM |
|
1.3 | 3.6 | [email protected] |
| 7.8 | 3.0 | HIGH |
|
1.8 | 5.9 | [email protected] |
| 2.1 | 2.0 | LOW |
|
3.9 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
low | CVE-2016-8637 low priority: Debian including 1 source packages (dracut), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2016-8637 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2016-8637 |
suse
|
low | CVE-2016-8637 severity low: SUSE including 300 source package names (amazon/suse-sles-15-sp1-chost-byos-v20210304-hvm-ssd-x86_64, amazon/suse-sles-15-sp1-chost-byos-v20220127-hvm-ssd-x86_64, …), 331 product×package rows across 46 product lines (HPE Helion OpenStack 8, SUSE Linux Enterprise Desktop 12 SP1, … (46 product lines)): Known Affected 157, Fixed 156, Known Not Affected 18. | https://www.suse.com/security/cve/CVE-2016-8637/ |
ubuntu
|
medium | CVE-2016-8637 medium priority: Ubuntu including 1 source packages (dracut), 23 status rows across 23 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, precise, questing, trusty, upstream, xenial, yakkety, zesty): not-affected 16, ignored 4, DNE 1, needed 1, needs-triage 1. | https://ubuntu.com/security/CVE-2016-8637 |
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| dracut_project | dracut | < 045 | cpe:2.3:a:dracut_project:dracut:*:*:*:*:*:*:*:* |
| URL | 標籤 |
|---|---|
| http://seclists.org/oss-sec/2016/q4/352 | Exploit Mailing List Third Party Advisory |
| http://www.securityfocus.com/bid/94128 | Third Party Advisory VDB Entry |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8637 | Exploit Issue Tracking Third Party Advisory |
| https://github.com/dracutdevs/dracut/commit/0db98910a11c12a454eac4c8e86dc7a7bbc764a4 | Patch Third Party Advisory |