Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The net subsystem in the Linux kernel before 3.1 does not properly restrict use of the IFF_TX_SKB_SHARING flag, which allows local users to cause a denial of service (panic) by leveraging the CAP_NET_ADMIN capability to access /proc/net/pktgen/pgctrl, and then using the pktgen package in conjunction with a bridge device for a VLAN interface.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux Kernel ‘IFF_TX_SKB_SHARING’ 权限许可和访问控制问题漏洞
Vulnerability Description
Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。NFSv4 implementation是其中的一个分布式文件系统协议。 Linux kernel 3.1之前版本中的net子系统中存在漏洞，该漏洞源于未正确限制对IFF_TX_SKB_SHARING标记的使用。本地用户可通过利用CAP_NET_ADMIN性能访问/proc/net/pktgen/pgctrl，然后使用连接桥接设备（连接VLAN接口）的pktgen程序包，导致拒绝服务（死机）。
CVSS Information
N/A
Vulnerability Type
N/A