x86: Deadlock in vlapic_error() (CVE-2024-45817)
CVE编号
CVE-2024-45817利用情况
暂无补丁情况
N/A披露时间
2024-09-25漏洞描述
In x86's APIC (Advanced Programmable Interrupt Controller) architecture, error conditions are reported in a status register. Furthermore, the OS can opt to receive an interrupt when a new error occurs. It is possible to configure the error interrupt with an illegal vector, which generates an error when an error interrupt is raised. This case causes Xen to recurse through vlapic_error(). The recursion itself is bounded; errors accumulate in the the status register and only generate an interrupt when a new status bit becomes set. However, the lock protecting this state in Xen will try to be taken recursively, and deadlock.解决建议
建议您更新当前系统或软件至最新版，完成漏洞的修复。
参考链接 |
|
|---|---|
| https://xenbits.xenproject.org/xsa/advisory-462.html |
受影响软件情况
| # | 类型 | 厂商 | 产品 | 版本 | 影响面 | ||||
| 1 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | xen | * | Up to (excluding) 4.16.6-r2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | xen | * | Up to (excluding) 4.17.5-r1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.19 | xen | * | Up to (excluding) 4.18.3-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.20 | xen | * | Up to (excluding) 4.18.3-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_39 | xen | * | Up to (excluding) 4.17.5-2.fc39 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_40 | xen | * | Up to (excluding) 4.18.3-2.fc40 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_41 | xen | * | Up to (excluding) 4.19.0-4.fc41 | |||||
- 攻击路径 N/A
- 攻击复杂度 N/A
- 权限要求 N/A
- 影响范围 N/A
- 用户交互 N/A
- 可用性 N/A
- 保密性 N/A
- 完整性 N/A
| CWE-ID | 漏洞类型 |
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