发布时间: 2023年11月17日
修改时间: 2024年10月31日
A race condition was found in the QXL driver in the Linux kernel. The qxl_mode_dumb_create() function dereferences the qobj returned by the qxl_gem_object_create_with_handle(), but the handle is the only one holding a reference to it. This flaw allows an attacker to guess the returned handle value and trigger a use-after-free issue, potentially leading to a denial of service or privilege escalation.
| NVD | openEuler | |
|---|---|---|
| Confidentiality | High | High |
| Attack Vector | Local | Local |
| CVSS评分 | 6.4 | 7.5 |
| Attack Complexity | High | High |
| Privileges Required | High | High |
| Scope | Unchanged | Changed |
| Integrity | High | High |
| User Interaction | None | None |
| Availability | High | High |
| 公告名 | 概要 | 发布时间 |
|---|---|---|
| KylinSec-SA-2023-2314 | kernel security update | 2023年11月17日 |
| KylinSec-SA-2023-2316 | kernel security update | 2023年11月17日 |
| 产品 | 包 | 状态 |
|---|---|---|
| KY3.4-4A | kernel | Fixed |
| KY3.5.2 | kernel | Fixed |
| KY3.4-5A | kernel | Fixed |
| KY3.5.1 | kernel | Fixed |
