Vulnerability · Published Nov 12, 2025 · Assigned by Linux

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

High 7.8

In plain English

A high-severity security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.2%top 93.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:10kernel6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-64k6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-64k-core6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-64k-debug6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-64k-debug-core6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-64k-debug-devel6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-64k-debug-devel-matched6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-64k-debug-modules6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-64k-debug-modules-core6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-64k-debug-modules-extra6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-64k-devel6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-64k-devel-matched6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-64k-modules6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-64k-modules-core6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-64k-modules-extra6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-abi-stablelists6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-core6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-cross-headers6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-debug6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-debug-core6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-debug-devel6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-debug-devel-matched6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-debug-modules6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-debug-modules-core6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-debug-modules-extra6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-debug-uki-virt6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-devel6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-devel-matched6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-doc6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-headers6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-modules6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-modules-core6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-modules-extra6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-modules-extra-matched6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-rt6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-rt-64k6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-rt-64k-core6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-rt-64k-debug6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-rt-64k-debug-core6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-rt-64k-debug-devel6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-rt-64k-debug-modules6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-rt-64k-debug-modules-core6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-rt-64k-debug-modules-extra6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-rt-64k-devel6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-rt-64k-modules6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-rt-64k-modules-core6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-rt-64k-modules-extra6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-rt-core6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-rt-debug6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-rt-debug-core6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-rt-debug-devel6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-rt-debug-modules6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-rt-debug-modules-core6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-rt-debug-modules-extra6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-rt-devel6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-rt-modules6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-rt-modules-core6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-rt-modules-extra6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-tools6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-tools-libs6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-tools-libs-devel6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-uki-virt6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-uki-virt-addons6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-zfcpdump6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-zfcpdump-core6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-zfcpdump-devel6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-zfcpdump-devel-matched6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-zfcpdump-modules6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-zfcpdump-modules-core6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10kernel-zfcpdump-modules-extra6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10libperf6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10perf6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10python3-perf6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10rtla6.12.0-211.55.1.el10_2ALSA-2026:67471
AlmaLinux:10rv6.12.0-211.55.1.el10_2ALSA-2026:67471
Debian:12linux6.1.162-1DEBIAN-CVE-2025-40149
Debian:12linux6.1.162-1DSA-6127-1
Debian:13linux6.12.69-1DEBIAN-CVE-2025-40149
Debian:13linux6.12.69-1DSA-6126-1
Debian:14linux6.17.6-1DEBIAN-CVE-2025-40149
Rocky Linux:10kernel0:6.12.0-211.55.1.el10_2RLSA-2026:67471
Ubuntu:22.04:LTSlinux5.15.0-176.186USN-8180-1
Ubuntu:22.04:LTSlinux5.15.0-176.186UBUNTU-CVE-2025-40149
Ubuntu:24.04:LTSlinux6.8.0-117.117UBUNTU-CVE-2025-40149
Ubuntu:24.04:LTSlinux6.8.0-117.117USN-8278-1
Ubuntu:25.10linux6.17.0-14.14UBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-aws5.15.0-1105.112UBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-aws5.15.0-1105.112USN-8180-1
Ubuntu:24.04:LTSlinux-aws6.8.0-1055.58USN-8278-1
Ubuntu:24.04:LTSlinux-aws6.8.0-1055.58UBUNTU-CVE-2025-40149
Ubuntu:25.10linux-aws6.17.0-1007.7UBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2025-40149
Ubuntu:24.04:LTSlinux-aws-6.14no fix listedUBUNTU-CVE-2025-40149
Ubuntu:24.04:LTSlinux-aws-6.176.17.0-1007.7~24.04.1UBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1057.60~22.04.1UBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-azure5.15.0-1110.119USN-8180-3
Ubuntu:22.04:LTSlinux-azure5.15.0-1110.119UBUNTU-CVE-2025-40149
Ubuntu:24.04:LTSlinux-azure6.8.0-1056.62USN-8278-2
Ubuntu:24.04:LTSlinux-azure6.8.0-1056.62UBUNTU-CVE-2025-40149
Ubuntu:25.10linux-azure6.17.0-1008.8UBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2025-40149
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2025-40149
Ubuntu:24.04:LTSlinux-azure-6.14no fix listedUBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1059.65~22.04.1USN-8440-1
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1059.65~22.04.1UBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1114.123UBUNTU-CVE-2025-40149
Ubuntu:24.04:LTSlinux-azure-fde6.8.0-1058.65UBUNTU-CVE-2025-40149
Ubuntu:25.10linux-azure-fdeno fix listedUBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2025-40149
Ubuntu:24.04:LTSlinux-azure-fde-6.14no fix listedUBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-azure-fde-6.86.8.0-1058.65~22.04.1UBUNTU-CVE-2025-40149
Ubuntu:24.04:LTSlinux-azure-nvidiano fix listedUBUNTU-CVE-2025-40149
Ubuntu:24.04:LTSlinux-azure-nvidia-6.14no fix listedUBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-gcp5.15.0-1105.114UBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-gcp5.15.0-1105.114USN-8180-1
Ubuntu:24.04:LTSlinux-gcp6.8.0-1058.61UBUNTU-CVE-2025-40149
Ubuntu:24.04:LTSlinux-gcp6.8.0-1058.61USN-8278-1
Ubuntu:25.10linux-gcp6.17.0-1007.7UBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2025-40149
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2025-40149
Ubuntu:24.04:LTSlinux-gcp-6.14no fix listedUBUNTU-CVE-2025-40149
Ubuntu:24.04:LTSlinux-gcp-6.176.17.0-1008.8~24.04.1UBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1060.63~22.04.1UBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-gke5.15.0-1101.107UBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-gke5.15.0-1101.107USN-8180-1
Ubuntu:24.04:LTSlinux-gke6.8.0-1054.60UBUNTU-CVE-2025-40149
Ubuntu:24.04:LTSlinux-gke6.8.0-1054.60USN-8278-1
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1088.96USN-8180-1
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1088.96UBUNTU-CVE-2025-40149
Ubuntu:24.04:LTSlinux-gkeop6.8.0-1041.44UBUNTU-CVE-2025-40149
Ubuntu:24.04:LTSlinux-gkeop6.8.0-1041.44USN-8278-1
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2025-40149
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2025-40149
Ubuntu:24.04:LTSlinux-hwe-6.14no fix listedUBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-124.124~22.04.1UBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-ibm5.15.0-1099.102USN-8180-5
Ubuntu:22.04:LTSlinux-ibm5.15.0-1099.102UBUNTU-CVE-2025-40149
Ubuntu:24.04:LTSlinux-ibm6.8.0-1055.56UBUNTU-CVE-2025-40149
Ubuntu:24.04:LTSlinux-ibm6.8.0-1055.56USN-8278-1
Ubuntu:22.04:LTSlinux-ibm-6.86.8.0-1055.56~22.04.1UBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-ibm-6.86.8.0-1055.56~22.04.1USN-8278-1
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1100.106USN-8180-3
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1100.106UBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-kvm5.15.0-1097.102USN-8180-3
Ubuntu:22.04:LTSlinux-kvm5.15.0-1097.102UBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-175.185UBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-175.185USN-8180-1
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-117.117.1USN-8278-1
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-117.117.1UBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2025-40149
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-117.117.1~22.04.1USN-8278-1
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-117.117.1~22.04.1UBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1100.101UBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1100.101USN-8180-1
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1054.57USN-8289-1
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1054.57UBUNTU-CVE-2025-40149
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2025-40149
Ubuntu:24.04:LTSlinux-nvidia-6.176.17.0-1008.8UBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1054.57~22.04.1UBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1054.57~22.04.1USN-8289-2
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1054.57.1UBUNTU-CVE-2025-40149
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1054.57.1USN-8289-1
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1057.57USN-8187-1
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1057.57UBUNTU-CVE-2025-40149
Ubuntu:24.04:LTSlinux-nvidia-tegra6.8.0-1024.24USN-8296-2
Ubuntu:24.04:LTSlinux-nvidia-tegra6.8.0-1024.24UBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1046.46USN-8187-1
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1046.46UBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2025-40149
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2025-40149
Ubuntu:24.04:LTSlinux-oem-6.14no fix listedUBUNTU-CVE-2025-40149
Ubuntu:24.04:LTSlinux-oem-6.176.17.0-1011.11UBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2025-40149
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-oracle5.15.0-1102.108USN-8180-1
Ubuntu:22.04:LTSlinux-oracle5.15.0-1102.108UBUNTU-CVE-2025-40149
Ubuntu:24.04:LTSlinux-oracle6.8.0-1054.55UBUNTU-CVE-2025-40149
Ubuntu:25.10linux-oracle6.17.0-1007.7UBUNTU-CVE-2025-40149
Ubuntu:24.04:LTSlinux-oracle-6.14no fix listedUBUNTU-CVE-2025-40149
Ubuntu:24.04:LTSlinux-oracle-6.176.17.0-1007.7~24.04.1UBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2025-40149
Ubuntu:22.04:LTSlinux-oracle-6.86.8.0-1054.55~22.04.1UBUNTU-CVE-2025-40149

Affected products (as reported)

VendorProductVersions
Linux Linux e8f69799810c32dd40c6724d829eccc70baad07f – before 2b1bef126bbb8d0da51491357559126d567c1deee8f69799810c32dd40c6724d829eccc70baad07f – before e37ca0092ddace60833790b4ad7a390408fb1be9e8f69799810c32dd40c6724d829eccc70baad07f – before 13159c7125636371543a82cb7bbae00ab36730cce8f69799810c32dd40c6724d829eccc70baad07f – before f09cd209359a23f88d4f3fa3d2379d057027e53ce8f69799810c32dd40c6724d829eccc70baad07f – before feb474ddbf26b51f462ae2e60a12013bdcfc5407e8f69799810c32dd40c6724d829eccc70baad07f – before c65f27b9c3be2269918e1cbad6d8884741f835c5
Linux Linux 4.18

References