The (1) ioport_read and (2) ioport_write functions in Xen, when qemu is used as a device model within Xen, might allow local x86 HVM guest OS administrators to gain qemu process privileges via vectors involving an out-of-range ioport access.
結論預警: CVE-2016-9637 綜合評估為中等風險(40.1/100):CVSS 技術影響為高級,利用機率偏低(EPSS 0.36%) 強制指令: 梳理受影響資產並納入修補計畫。
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。
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 | 0.09% | 0.36% | +0.28% |
| 2 | 2025-03-30 | 0.22% | 0.09% | -0.13% |
| 3 | 2025-03-29 | — | 0.22% | — |
完整 EPSS 歷史 (共 5 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 |
|---|---|---|---|---|---|---|
| 7.5 | 3.0 | HIGH |
|
0.8 | 6.0 | [email protected] |
| 3.7 | 2.0 | LOW |
|
1.9 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2016-9637 unimportant priority: Debian including 2 source packages (qemu, xen), 10 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 10. | https://security-tracker.debian.org/tracker/CVE-2016-9637 |
gentoo
|
normal | CVE-2016-9637: 1 GLSA(s) (201612-56), 3 atom(s) (app-emulation/xen, app-emulation/xen-pvgrub, app-emulation/xen-tools); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2016-9637 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2016-9637 |
suse
|
medium | CVE-2016-9637 severity moderate: SUSE including 378 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, …), 498 product×package rows across 65 product lines (HPE Helion OpenStack 8, SUSE Linux Enterprise Desktop 12 SP1, … (65 product lines)): Fixed 298, Known Affected 157, Known Not Affected 43. | https://www.suse.com/security/cve/CVE-2016-9637/ |
ubuntu
|
medium | CVE-2016-9637 medium priority: Ubuntu including 3 source packages (qemu, qemu-kvm, xen), 15 status rows across 5 suites (precise, trusty, upstream, xenial, yakkety): not-affected 6, DNE 4, needs-triage 3, released 2. | https://ubuntu.com/security/CVE-2016-9637 |