The d_walk function in fs/dcache.c in the Linux kernel through 3.17.2 does not properly maintain the semantics of rename_lock, which allows local users to cause a denial of service (deadlock and system hang) via a crafted application.
結論預警: CVE-2014-8559 綜合評估為存在公開利用（55/100）：CVSS 技術影響為中級，利用機率偏低（EPSS 0.74%） 核心證據: 已收錄 3 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 ↗ | |
| — | 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 | 0.06% | 0.74% | +0.68% |
| 2 | 2025-03-30 | 0.18% | 0.06% | -0.12% |
| 3 | 2025-03-29 | — | 0.18% | — |
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 |
|---|---|---|---|---|---|---|
| 5.5 | 3.1 | MEDIUM |
|
1.8 | 3.6 | [email protected] |
| 4.9 | 2.0 | MEDIUM |
|
3.9 | 6.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2014-8559 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-2014-8559 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2014-8559 |
ubuntu
|
medium | CVE-2014-8559 medium priority: Ubuntu including 30 source packages (linux, linux-armadaxp, …), 275 status rows across 10 suites (lucid, precise, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): DNE 191, released 37, ignored 27, not-affected 20. | https://ubuntu.com/security/CVE-2014-8559 |
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| linux | linux_kernel | <= 3.17.2 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 12.04 | cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* |
| canonical | ubuntu_linux | 14.04 | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* |
| canonical | ubuntu_linux | 14.10 | cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:* |
| novell | suse_linux_enterprise_desktop | 12.0 | cpe:2.3:o:novell:suse_linux_enterprise_desktop:12.0:*:*:*:*:*:*:* |
| novell | suse_linux_enterprise_server | 12.0 | cpe:2.3:o:novell:suse_linux_enterprise_server:12.0:*:*:*:*:*:*:* |
| opensuse | evergreen | 11.4 | cpe:2.3:o:opensuse:evergreen:11.4:*:*:*:*:*:*:* |
| opensuse | opensuse | 13.1 | cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* |
| suse | linux_enterprise_real_time_extension | 11 | cpe:2.3:o:suse:linux_enterprise_real_time_extension:11:sp3:*:*:*:*:*:* |
| suse | linux_enterprise_software_development_kit | 12 | cpe:2.3:o:suse:linux_enterprise_software_development_kit:12:-:*:*:*:*:*:* |
| suse | linux_enterprise_workstation_extension | 12 | cpe:2.3:o:suse:linux_enterprise_workstation_extension:12:*:*:*:*:*:*:* |
| suse | suse_linux_enterprise_server | 11 | cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp2:*:*:ltss:*:*:* |
| oracle | linux | 7 | cpe:2.3:o:oracle:linux:7:-:*:*:*:*:*:* |