Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The __qdisc_run function in net/sched/sch_generic.c in the Linux kernel before 2.6.25 on SMP machines allows local users to cause a denial of service (soft lockup) by sending a large amount of network traffic, as demonstrated by multiple simultaneous invocations of the Netperf benchmark application in UDP_STREAM mode.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux Kernel 资源管理错误漏洞
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。 在多核(如16核)SMP机器上，如果并发的高流量的网络负载，就会导致内核中出现软锁定。 锁定出现在net/sched/sch_generic.c的84行的__qdisc_run()函数中。由于驱动持续发送报文并返回NETDEV_TX_OK，__qdisc_run()就无法退出qdisc_restart()循环。尽管这可以提高吞吐能力，但某些应用程序可能被迟滞大约10秒钟。
CVSS Information
N/A
Vulnerability Type
N/A