Vulnerability Information
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Vulnerability Title
ublk: fix race between io_uring_cmd_complete_in_task and ublk_cancel_cmd
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ublk: fix race between io_uring_cmd_complete_in_task and ublk_cancel_cmd ublk_cancel_cmd() calls io_uring_cmd_done() to complete uring_cmd, but we may have scheduled task work via io_uring_cmd_complete_in_task() for dispatching request, then kernel crash can be triggered. Fix it by not trying to canceling the command if ublk block request is started.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux kernel 安全漏洞
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于ublk模块在命令取消和任务工作调度间存在竞争条件，可能导致内核崩溃。
CVSS Information
N/A
Vulnerability Type
N/A