insyde kernel 检查时间与使用时间(toctou)的竞争条件
CVE编号
CVE-2022-31243利用情况
暂无补丁情况
N/A披露时间
2022-11-15漏洞描述
Update description and links DMA transactions which are targeted at input buffers used for the software SMI handler used by the FvbServicesRuntimeDxe driver could cause SMRAM corruption through a TOCTOU attack.. "DMA transactions which are targeted at input buffers used for the software SMI handler used by the FvbServicesRuntimeDxe driver could cause SMRAM corruption. This issue was discovered by Insyde engineering based on the general description provided by Intel's iSTARE group. Fixed in Kernel 5.2: 05.27.21. Kernel 5.3: 05.36.21. Kernel 5.4: 05.44.21. Kernel 5.5: 05.52.21 https://www.insyde.com/security-pledge/SA-2022044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://cert-portal.siemens.com/productcert/pdf/ssa-450613.pdf | |
| https://www.insyde.com/security-pledge | |
| https://www.insyde.com/security-pledge/SA-2022044 |
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 | |||||||||
| 应用 | insyde | kernel | * | From (including) 5.2 | Up to (excluding) 5.2.05.27.21 | ||||
| 运行在以下环境 | |||||||||
| 应用 | insyde | kernel | * | From (including) 5.3 | Up to (excluding) 5.3.05.36.21 | ||||
| 运行在以下环境 | |||||||||
| 应用 | insyde | kernel | * | From (including) 5.4 | Up to (excluding) 5.4.05.44.21 | ||||
| 运行在以下环境 | |||||||||
| 应用 | insyde | kernel | * | From (including) 5.5 | Up to (excluding) 5.5.05.52.21 | ||||
- 攻击路径 本地
- 攻击复杂度 高
- 权限要求 高
- 影响范围 未更改
- 用户交互 无
- 可用性 高
- 保密性 高
- 完整性 高
| CWE-ID | 漏洞类型 |
| CWE-367 | 检查时间与使用时间(TOCTOU)的竞争条件 |
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