GHSA-j574-jvxx-m43q · 严重度： medium — In the Linux kernel, the following vulnerability has been resolved: nstree: tighten permission...
In the Linux kernel, the following vulnerability has been resolved: nstree: tighten permission checks for listing Even privileged services should not necessarily be able to see other privileged service's namespaces so they can't leak information to each other. Use may_see_all_namespaces() helper that centralizes this policy until the nstree adapts.
结论预警: CVE-2026-43390 综合评估为低风险（22.6/100）：CVSS 技术影响为中级，利用概率偏低（EPSS 0.11%） 强制指令: 持续跟踪利用情报与 EPSS 变化，并适时复评优先级。
风险随态势动态变化；本站持续评估并同步更新本页展示内容。
EPSS 日更估计相对被利用可能性；百分位表示该 CVE 在已评分漏洞中的相对排名（越高表示相对更严重）。
| # | 日期 | 旧 EPSS 分数 | 新 EPSS 分数 | 变化（新 − 旧） |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.02% | 0.11% | +0.09% |
| 2 | 2026-05-09 | — | 0.02% | — |
完整 EPSS 历史 （共 2 条）
该 CVE 的 CVSS 指标。
| 底座分 | 版本 | 严重度 | 向量 | 可利用性 | 影响 | 分数来源 |
|---|---|---|---|---|---|---|
| 5.5 | 3.1 | MEDIUM |
|
1.8 | 3.6 | [email protected] |
GHSA-j574-jvxx-m43q · 严重度： medium — In the Linux kernel, the following vulnerability has been resolved: nstree: tighten permission...
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2026-43390 unimportant 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-2026-43390 |
redhat
|
— | — | https://access.redhat.com/security/cve/CVE-2026-43390 |
suse
|
medium | CVE-2026-43390 severity moderate: SUSE including 21 source package names (cluster-md-kmp-default, dlm-kmp-default, …), 198 product×package rows across 39 product lines (SUSE Linux Enterprise High Availability Extension 15 SP7, SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS, … (39 product lines)): Known Not Affected 198. | https://www.suse.com/security/cve/CVE-2026-43390/ |
ubuntu
|
medium | CVE-2026-43390 medium priority: Ubuntu including 161 source packages (linux, linux-allwinner-5.19, …), 1449 status rows across 9 suites (bionic, focal, jammy, noble, questing, resolute, trusty, upstream, xenial): DNE 1048, ignored 169, not-affected 144, released 87, needs-triage 1. | https://ubuntu.com/security/CVE-2026-43390 |
| 厂商 | 产品 | 版本 | 原始 CPE |
|---|---|---|---|
| linux | linux_kernel | >= 6.19, < 6.19.9 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| linux | linux_kernel | 7.0 | cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:* |
| linux | linux_kernel | 7.0 | cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:* |