QEMU (aka Quick Emulator) built with the Virtio GPU Device emulator support is vulnerable to a memory leakage issue. It could occur while updating the cursor data in update_cursor_data_virgl. A guest user/process could use this flaw to leak host memory bytes, resulting in DoS for a host.
结论预警: CVE-2016-9846 综合评估为低风险(38/100):CVSS 技术影响为中级,利用概率偏低(EPSS 0.42%) 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 | 0.06% | 0.42% | +0.36% |
| 2 | 2023-03-07 | 0.95% | 0.06% | -0.89% |
| 3 | 2022-02-04 | — | 0.95% | — |
完整 EPSS 历史 (共 3 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 |
|---|---|---|---|---|---|---|
| 6.5 | 3.1 | MEDIUM |
|
2.0 | 4.0 | [email protected] |
| 4.9 | 2.0 | MEDIUM |
|
3.9 | 6.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2016-9846 not yet assigned priority: Debian including 1 source packages (qemu), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2016-9846 |
gentoo
|
normal | CVE-2016-9846: 1 GLSA(s) (201701-49), 1 atom(s) (app-emulation/qemu); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2016-9846 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2016-9846 |
suse
|
low | CVE-2016-9846 severity low: SUSE including 505 source package names (kvm, qemu, …), 756 product×package rows across 54 product lines (HPE Helion OpenStack 8, SUSE Linux Enterprise Desktop 12 SP1, … (54 product lines)): Fixed 623, Known Not Affected 133. | https://www.suse.com/security/cve/CVE-2016-9846/ |
ubuntu
|
low | CVE-2016-9846 low priority: Ubuntu including 2 source packages (qemu, qemu-kvm), 12 status rows across 6 suites (precise, trusty, upstream, xenial, yakkety, zesty): DNE 5, not-affected 3, needed 2, released 2. | https://ubuntu.com/security/CVE-2016-9846 |
| URL | 标签 |
|---|---|
| http://www.openwall.com/lists/oss-security/2016/12/05/18 | Mailing List Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2016/12/05/23 | Mailing List Third Party Advisory |
| http://www.securityfocus.com/bid/94765 | Third Party Advisory VDB Entry |
| https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg00029.html | Patch Vendor Advisory |
| https://security.gentoo.org/glsa/201701-49 | Third Party Advisory |