CVE-2025-40149 - tls: Use __sk_dst_get() and dst_dev_rcu() in get_netdev_for_sock().

CVE-2025-40149 - tls: Use __sk_dst_get() and dst_dev_rcu() in get_netdev_for_sock().

https://cvefeed.io/rssfeed/latest.atom / Wed, 11/12/2025 - 13:48
CVE ID : CVE-2025-40149
Published : Nov. 12, 2025, 10:23 a.m. | 36 minutes ago
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.
Severity: 0.0 | NA
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