Vulnerability · Published Aug 16, 2025 · Assigned by Linux

CVE-2025-38550ipv6: mcast: Delay put pmc->idev in mld_del_delrec()

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 93.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: Delay put pmc->idev in mld_del_delrec() pmc->idev is still used in ip6_mc_clear_src(), so as mld_clear_delrec() does, the reference should be put after ip6_mc_clear_src() return.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:9kernel5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-64k5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-64k-core5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-64k-debug5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-64k-debug-core5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-64k-debug-devel5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-64k-debug-devel-matched5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-64k-debug-modules5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-64k-debug-modules-core5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-64k-debug-modules-extra5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-64k-devel5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-64k-devel-matched5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-64k-modules5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-64k-modules-core5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-64k-modules-extra5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:10kernel-abi-stablelists6.12.0-55.33.1.el10_0ALSA-2025:15782
AlmaLinux:9kernel-abi-stablelists5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-core5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-cross-headers5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-debug5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-debug-core5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-debug-devel5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-debug-devel-matched5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-debug-modules5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-debug-modules-core5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-debug-modules-extra5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-debug-uki-virt5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-devel5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-devel-matched5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:10kernel-doc6.12.0-55.33.1.el10_0ALSA-2025:15782
AlmaLinux:9kernel-doc5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-headers5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-modules5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-modules-core5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-modules-extra5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-rt5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-rt-64k5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-rt-64k-core5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-rt-64k-debug5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-rt-64k-debug-core5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-rt-64k-debug-devel5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-rt-64k-debug-modules5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-rt-64k-debug-modules-core5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-rt-64k-debug-modules-extra5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-rt-64k-devel5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-rt-64k-modules5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-rt-64k-modules-core5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-rt-64k-modules-extra5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-rt-core5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-rt-debug5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-rt-debug-core5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-rt-debug-devel5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-rt-debug-kvm5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-rt-debug-modules5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-rt-debug-modules-core5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-rt-debug-modules-extra5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-rt-devel5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-rt-kvm5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-rt-modules5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-rt-modules-core5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-rt-modules-extra5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-tools5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-tools-libs5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-tools-libs-devel5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-uki-virt5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-uki-virt-addons5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-zfcpdump5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-zfcpdump-core5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-zfcpdump-devel5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-zfcpdump-devel-matched5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-zfcpdump-modules5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-zfcpdump-modules-core5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9kernel-zfcpdump-modules-extra5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9libperf5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9perf5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9python3-perf5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9rtla5.14.0-570.44.1.el9_6ALSA-2025:15740
AlmaLinux:9rv5.14.0-570.44.1.el9_6ALSA-2025:15740
Debian:12linux6.1.147-1DEBIAN-CVE-2025-38550
Debian:13linux6.12.41-1DEBIAN-CVE-2025-38550
Debian:14linux6.16.3-1DEBIAN-CVE-2025-38550
Ubuntu:22.04:LTSlinux5.15.0-163.173UBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux5.15.0-163.173USN-7909-1
Ubuntu:24.04:LTSlinux6.8.0-100.100UBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-aws5.15.0-1097.104UBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-aws5.15.0-1097.104USN-7909-1
Ubuntu:24.04:LTSlinux-aws6.8.0-1046.49UBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2025-38550
Ubuntu:24.04:LTSlinux-aws-6.146.14.0-1017.17~24.04.1UBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1046.49~22.04.1UBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-azure5.15.0-1101.110UBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-azure5.15.0-1101.110USN-7910-2
Ubuntu:24.04:LTSlinux-azure6.8.0-1046.52UBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2025-38550
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2025-38550
Ubuntu:24.04:LTSlinux-azure-6.146.14.0-1017.17~24.04.1UBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1051.57~22.04.1UBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1102.111.1UBUNTU-CVE-2025-38550
Ubuntu:24.04:LTSlinux-azure-fde6.8.0-1046.53UBUNTU-CVE-2025-38550
Ubuntu:25.10linux-azure-fdeno fix listedUBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2025-38550
Ubuntu:24.04:LTSlinux-azure-fde-6.14no fix listedUBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-azure-fde-6.86.8.0-1046.53~22.04.1UBUNTU-CVE-2025-38550
Ubuntu:24.04:LTSlinux-azure-nvidiano fix listedUBUNTU-CVE-2025-38550
Ubuntu:24.04:LTSlinux-azure-nvidia-6.14no fix listedUBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-gcp5.15.0-1097.106USN-7909-4
Ubuntu:22.04:LTSlinux-gcp5.15.0-1097.106UBUNTU-CVE-2025-38550
Ubuntu:24.04:LTSlinux-gcp6.8.0-1047.50UBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2025-38550
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2025-38550
Ubuntu:24.04:LTSlinux-gcp-6.146.14.0-1020.21~24.04.1UBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1047.50~22.04.2UBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-gke5.15.0-1093.99UBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-gke5.15.0-1093.99USN-7909-4
Ubuntu:24.04:LTSlinux-gke6.8.0-1043.48UBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1080.88UBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1080.88USN-7909-4
Ubuntu:24.04:LTSlinux-gkeop6.8.0-1030.33UBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2025-38550
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-100.100~22.04.1UBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-ibm5.15.0-1091.94UBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-ibm5.15.0-1091.94USN-7909-1
Ubuntu:24.04:LTSlinux-ibm6.8.0-1044.44UBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-ibm-6.86.8.0-1044.44~22.04.1UBUNTU-CVE-2025-38550
Ubuntu:24.04:LTSlinux-intelno fix listedUBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1092.98USN-7909-1
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1092.98UBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-kvm5.15.0-1089.94UBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-kvm5.15.0-1089.94USN-7933-1
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-163.173USN-7909-1
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-163.173UBUNTU-CVE-2025-38550
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-100.100.1UBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2025-38550
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-100.100.1~22.04.1UBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1092.93USN-7909-1
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1092.93UBUNTU-CVE-2025-38550
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1046.49UBUNTU-CVE-2025-38550
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1046.49~22.04.1UBUNTU-CVE-2025-38550
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1046.49.1UBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1049.49USN-7909-1
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1049.49UBUNTU-CVE-2025-38550
Ubuntu:24.04:LTSlinux-nvidia-tegra6.8.0-1020.20UBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1038.38USN-7909-1
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1038.38UBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2025-38550
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2025-38550
Ubuntu:24.04:LTSlinux-oem-6.146.14.0-1016.16UBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2025-38550
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-oracle5.15.0-1094.100USN-7909-1
Ubuntu:22.04:LTSlinux-oracle5.15.0-1094.100UBUNTU-CVE-2025-38550
Ubuntu:24.04:LTSlinux-oracle6.8.0-1043.44UBUNTU-CVE-2025-38550
Ubuntu:24.04:LTSlinux-oracle-6.146.14.0-1017.17~24.04.1UBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-oracle-6.86.8.0-1043.44~22.04.1UBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-raspi5.15.0-1091.94USN-7909-5
Ubuntu:22.04:LTSlinux-raspi5.15.0-1091.94UBUNTU-CVE-2025-38550
Ubuntu:24.04:LTSlinux-raspi6.8.0-1047.51UBUNTU-CVE-2025-38550
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2025-38550
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2025-38550
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2025-38550
Ubuntu:24.04:LTSlinux-riscv-6.146.14.0-36.36.1~24.04.1UBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-riscv-6.86.8.0-100.100~22.04.1UBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2025-38550
Ubuntu:24.04:LTSlinux-xilinx6.8.0-1023.24UBUNTU-CVE-2025-38550
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1061.65USN-7909-1
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1061.65UBUNTU-CVE-2025-38550

Affected products (as reported)

VendorProductVersions
Linux Linux b564ec4491d24b40900c64ab9e29a208f17f3108 – before 1b5b413094af8d88a31b5df3fd262f6baca5384163ed8de4be81b699ca727e9f8e3344bd487806d7 – before 6e4eec86fe5f6b3fdbc702d1d36ac2a6e7ec080663ed8de4be81b699ca727e9f8e3344bd487806d7 – before 728db00a14cacb37f36e9382ab5fad55caf890cc63ed8de4be81b699ca727e9f8e3344bd487806d7 – before dcbc346f50a009d8b7f4e330f9f2e22d6442fa2663ed8de4be81b699ca727e9f8e3344bd487806d7 – before 7929d27c747eafe8fca3eecd74a334503ee4c83963ed8de4be81b699ca727e9f8e3344bd487806d7 – before 5f18e0130194550dff734e155029ae734378b5ea63ed8de4be81b699ca727e9f8e3344bd487806d7 – before ae3264a25a4635531264728859dbe9c659fad554
Linux Linux 5.13

References