The manager_invoke_notify_message function in systemd 231 and earlier allows local users to cause a denial of service (assertion failure and PID 1 hang) via a zero-length message received over a notify socket.
結論預警: CVE-2016-7795 綜合評估為存在公開利用(53.4/100):CVSS 技術影響為中級,利用機率偏低(EPSS 0.63%) 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 | 0.16% | 0.63% | +0.47% |
| 2 | 2025-07-21 | 0.15% | 0.16% | +0.01% |
| 3 | 2025-03-30 | — | 0.15% | — |
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 | 3.0 | 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-2016-7795 not yet assigned priority: Debian including 1 source packages (systemd), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2016-7795 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2016-7795 |
suse
|
medium | CVE-2016-7795 severity moderate: SUSE including 65 source package names (libgudev1-219-30.el7_3.3, libgudev1-devel-219-30.el7_3.3, …), 247 product×package rows across 29 product lines (HPE Helion OpenStack 8, SUSE Liberty Linux 7, … (29 product lines)): Known Not Affected 142, Fixed 105. | https://www.suse.com/security/cve/CVE-2016-7795/ |
ubuntu
|
medium | CVE-2016-7795 medium priority: Ubuntu including 1 source packages (systemd), 6 status rows across 6 suites (precise, trusty, upstream, xenial, yakkety, zesty): not-affected 3, DNE 1, needs-triage 1, released 1. | https://ubuntu.com/security/CVE-2016-7795 |
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| canonical | ubuntu_linux | 16.04 | cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* |
| systemd_project | systemd | <= 231 | cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:* |
| URL | 標籤 |
|---|---|
| http://rhn.redhat.com/errata/RHSA-2016-2610.html | |
| http://rhn.redhat.com/errata/RHSA-2016-2694.html | |
| http://www.openwall.com/lists/oss-security/2016/09/28/9 | Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2016/09/30/1 | Third Party Advisory |
| http://www.securityfocus.com/bid/93223 | Third Party Advisory VDB Entry |
| http://www.securitytracker.com/id/1037320 | |
| http://www.ubuntu.com/usn/USN-3094-1 | Third Party Advisory |
| https://github.com/systemd/systemd/issues/4234 | Exploit Patch Third Party Advisory |
| https://www.agwa.name/blog/post/how_to_crash_systemd_in_one_tweet | Exploit Technical Description Third Party Advisory |