drm/virtio:修复 GEM 句柄创建 UAF(CVE-2022-48899)
CVE编号
CVE-2022-48899利用情况
暂无补丁情况
N/A披露时间
2024-08-21漏洞描述
In the Linux kernel, the following vulnerability has been resolved: drm/virtio: Fix GEM handle creation UAF Userspace can guess the handle value and try to race GEM object creation with handle close, resulting in a use-after-free if we dereference the object after dropping the handle's reference. For that reason, dropping the handle's reference must be done *after* we are done dereferencing the object.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。受影响软件情况
# | 类型 | 厂商 | 产品 | 版本 | 影响面 | ||||
1 | |||||||||
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运行在以下环境 | |||||||||
系统 | debian_11 | linux | * | Up to (excluding) 5.10.178-1 | |||||
运行在以下环境 | |||||||||
系统 | debian_12 | linux | * | Up to (excluding) 6.1.7-1 |
- 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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