发布时间: 2024年8月23日
修改时间: 2024年8月30日
In the Linux kernel, the following vulnerability has been resolved:eth: sungem: remove .ndo_poll_controller to avoid deadlocksErhard reports netpoll warnings from sungem: netpoll_send_skb_on_dev(): eth0 enabled interrupts in poll (gem_start_xmit+0x0/0x398) WARNING: CPU: 1 PID: 1 at net/core/netpoll.c:370 netpoll_send_skb+0x1fc/0x20cgem_poll_controller() disables interrupts, which may sleep.We can t sleep in netpoll, it has interrupts disabled completely.Strangely, gem_poll_controller() doesn t even poll the completions,and instead acts as if an interrupt has fired so it just schedulesNAPI and exits. None of this has been necessary for years, sincenetpoll invokes NAPI directly.
| NVD | openEuler | |
|---|---|---|
| Confidentiality | None | None |
| Attack Vector | Local | Local |
| CVSS评分 | 5.5 | 4.4 |
| Attack Complexity | Low | Low |
| Privileges Required | Low | High |
| Scope | Unchanged | Unchanged |
| Integrity | None | None |
| User Interaction | None | None |
| Availability | High | High |
| 公告名 | 概要 | 发布时间 |
|---|---|---|
| KylinSec-SA-2024-3569 | kernel security update | 2024年8月23日 |
| KylinSec-SA-2024-4842 | kernel security update | 2024年8月23日 |
| 产品 | 包 | 状态 |
|---|---|---|
| KY3.4-5A | kernel | Fixed |
| KY3.5.2 | kernel | Fixed |
| V6 | kernel | Fixed |
