漏洞信息
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Vulnerability Title
tls: Use __sk_dst_get() and dst_dev_rcu() in get_netdev_for_sock().
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: tls: Use __sk_dst_get() and dst_dev_rcu() in get_netdev_for_sock(). get_netdev_for_sock() is called during setsockopt(), so not under RCU. Using sk_dst_get(sk)->dev could trigger UAF. Let's use __sk_dst_get() and dst_dev_rcu(). Note that the only ->ndo_sk_get_lower_dev() user is bond_sk_get_lower_dev(), which uses RCU.
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get_netdev_for_sock函数在非RCU环境下使用sk_dst_get(sk)->dev，可能导致释放后重用。
CVSS Information
N/A
Vulnerability Type
N/A