insyde kernel 检查时间与使用时间(toctou)的竞争条件
CVE编号
CVE-2022-33906利用情况
暂无补丁情况
N/A披露时间
2022-11-15漏洞描述
DMA transactions which are targeted at input buffers used for the FwBlockServiceSmm software SMI handler 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 FwBlockServiceSmm driver could cause SMRAM corruption through a TOCTOU attack. This issue was discovered by Insyde engineering based on the general description provided by Intel's iSTARE group. Fixed in kernel 5.2: 05.27.23, 5.3: 05.36.23, 5.4: 05.44.23, 5.5: 05.52.23 https://www.insyde.com/security-pledge/SA-2022048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-2022048 |
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) 5.2.05.27.23 | ||||
| 运行在以下环境 | |||||||||
| 应用 | insyde | kernel | * | From (including) 5.3 | Up to (excluding) 5.3.05.36.23 | ||||
| 运行在以下环境 | |||||||||
| 应用 | insyde | kernel | * | From (including) 5.4 | Up to (excluding) 5.4.05.44.23 | ||||
| 运行在以下环境 | |||||||||
| 应用 | insyde | kernel | * | From (including) 5.5 | Up to (excluding) 5.5.05.52.23 | ||||
- 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 |
Exp相关链接
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