CVE:CVE-2019-19056
CNNVD:CNNVD-201911-1076
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。
Linux kernel 5.3.11及之前版本中的drivers/net/wireless/marvell/mwifiex/pcie.c文件的‘mwifiex_pcie_alloc_cmdrsp_buf()’函数存在内存泄露漏洞。攻击者可利用该漏洞造成拒绝服务（内存消耗）。
solution:Upgrade linux linux_kernel to a higher version than 5.3.11,and avoid the version (,5.3.11]; Upgrade canonical ubuntu_linux to a higher version than 14.04,16.04,18.04,19.10,and avoid the version 14.04,16.04,18.04,19.10; Upgrade debian debian_linux to a higher version than 8.0,and avoid the version 8.0; Upgrade fedoraproject fedora to a higher version than 30,31,and avoid the version 30,31; Upgrade opensuse leap to a higher version than 15.1,and avoid the version 15.1