发布时间: 2024年9月14日
修改时间: 2024年9月18日
In the Linux kernel, the following vulnerability has been resolved:dma: fix call order in dmam_free_coherentdmam_free_coherent() frees a DMA allocation, which makes thefreed vaddr available for reuse, then calls devres_destroy()to remove and free the data structure used to track the DMAallocation. Between the two calls, it is possible for aconcurrent task to make an allocation with the same vaddrand add it to the devres list.If this happens, there will be two entries in the devres listwith the same vaddr and devres_destroy() can free the wrongentry, triggering the WARN_ON() in dmam_match.Fix by destroying the devres entry before freeing the DMAallocation. kokonut //net/encryption http://sponge2/b9145fe6-0f72-4325-ac2f-a84d81075b03
| NVD | openEuler | |
|---|---|---|
| Confidentiality | None | None |
| Attack Vector | Local | Local |
| CVSS评分 | 5.5 | 5.5 |
| Attack Complexity | Low | Low |
| Privileges Required | Low | Low |
| Scope | Unchanged | Unchanged |
| Integrity | None | None |
| User Interaction | None | None |
| Availability | High | High |
| 公告名 | 概要 | 发布时间 |
|---|---|---|
| KylinSec-SA-2024-4858 | kernel security update | 2025年2月17日 |
| 产品 | 包 | 状态 |
|---|---|---|
| KY3.4-5 | kernel | Fixed |
| KY3.5.2 | kernel | Fixed |
| KY3.5.3 | kernel | Fixed |
| V6 | kernel | Fixed |
