Vulnerability · Published Nov 12, 2025 · Assigned by Linux

CVE-2025-40141Bluetooth: ISO: Fix possible UAF on iso_conn_free

High 8.0

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 0.3% (higher than 26% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.0High
Exploit odds (30 days)0.3%top 74.4% 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: Bluetooth: ISO: Fix possible UAF on iso_conn_free This attempt to fix similar issue to sco_conn_free where if the conn->sk is not set to NULL may lead to UAF on iso_conn_free.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:9kernel5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-64k5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-64k-core5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-64k-debug5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-64k-debug-core5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-64k-debug-devel5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-64k-debug-devel-matched5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-64k-debug-modules5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-64k-debug-modules-core5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-64k-debug-modules-extra5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-64k-devel5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-64k-devel-matched5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-64k-modules5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-64k-modules-core5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-64k-modules-extra5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:10kernel-abi-stablelists6.12.0-124.38.1.el10_1ALSA-2026:2721
AlmaLinux:9kernel-abi-stablelists5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-core5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-cross-headers5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-debug5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-debug-core5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-debug-devel5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-debug-devel-matched5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-debug-modules5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-debug-modules-core5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-debug-modules-extra5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-debug-uki-virt5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-devel5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-devel-matched5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:10kernel-doc6.12.0-124.38.1.el10_1ALSA-2026:2721
AlmaLinux:9kernel-doc5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-headers5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-modules5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-modules-core5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-modules-extra5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-rt5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-rt-64k5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-rt-64k-core5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-rt-64k-debug5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-rt-64k-debug-core5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-rt-64k-debug-devel5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-rt-64k-debug-modules5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-rt-64k-debug-modules-core5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-rt-64k-debug-modules-extra5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-rt-64k-devel5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-rt-64k-modules5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-rt-64k-modules-core5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-rt-64k-modules-extra5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-rt-core5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-rt-debug5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-rt-debug-core5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-rt-debug-devel5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-rt-debug-modules5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-rt-debug-modules-core5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-rt-debug-modules-extra5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-rt-devel5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-rt-modules5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-rt-modules-core5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-rt-modules-extra5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-tools5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-tools-libs5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-tools-libs-devel5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-uki-virt5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-uki-virt-addons5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-zfcpdump5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-zfcpdump-core5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-zfcpdump-devel5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-zfcpdump-devel-matched5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-zfcpdump-modules5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-zfcpdump-modules-core5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9kernel-zfcpdump-modules-extra5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9libperf5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9perf5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9python3-perf5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9rtla5.14.0-611.30.1.el9_7ALSA-2026:2212
AlmaLinux:9rv5.14.0-611.30.1.el9_7ALSA-2026:2212
Debian:12linux6.1.158-1DEBIAN-CVE-2025-40141
Debian:13linux6.12.57-1DEBIAN-CVE-2025-40141
Debian:14linux6.17.6-1DEBIAN-CVE-2025-40141
Rocky Linux:10kernel0:6.12.0-124.38.1.el10_1RLSA-2026:2721
Rocky Linux:9kernel0:5.14.0-611.30.1.el9_7RLSA-2026:2212
Ubuntu:24.04:LTSlinux6.8.0-106.106UBUNTU-CVE-2025-40141
Ubuntu:25.10linux6.17.0-14.14UBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2025-40141
Ubuntu:24.04:LTSlinux-aws6.8.0-1050.53UBUNTU-CVE-2025-40141
Ubuntu:25.10linux-aws6.17.0-1007.7UBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2025-40141
Ubuntu:24.04:LTSlinux-aws-6.14no fix listedUBUNTU-CVE-2025-40141
Ubuntu:24.04:LTSlinux-aws-6.176.17.0-1007.7~24.04.1UBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1050.53~22.04.1UBUNTU-CVE-2025-40141
Ubuntu:24.04:LTSlinux-azure6.8.0-1051.57UBUNTU-CVE-2025-40141
Ubuntu:25.10linux-azure6.17.0-1008.8UBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2025-40141
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2025-40141
Ubuntu:24.04:LTSlinux-azure-6.14no fix listedUBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1051.57~22.04.1UBUNTU-CVE-2025-40141
Ubuntu:24.04:LTSlinux-azure-fde6.8.0-1058.65UBUNTU-CVE-2025-40141
Ubuntu:25.10linux-azure-fdeno fix listedUBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2025-40141
Ubuntu:24.04:LTSlinux-azure-fde-6.14no fix listedUBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-azure-fde-6.86.8.0-1058.65~22.04.1UBUNTU-CVE-2025-40141
Ubuntu:24.04:LTSlinux-azure-nvidiano fix listedUBUNTU-CVE-2025-40141
Ubuntu:24.04:LTSlinux-azure-nvidia-6.14no fix listedUBUNTU-CVE-2025-40141
Ubuntu:24.04:LTSlinux-gcp6.8.0-1052.55UBUNTU-CVE-2025-40141
Ubuntu:25.10linux-gcp6.17.0-1007.7UBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2025-40141
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2025-40141
Ubuntu:24.04:LTSlinux-gcp-6.14no fix listedUBUNTU-CVE-2025-40141
Ubuntu:24.04:LTSlinux-gcp-6.176.17.0-1008.8~24.04.1UBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1052.55~22.04.1UBUNTU-CVE-2025-40141
Ubuntu:24.04:LTSlinux-gke6.8.0-1048.53UBUNTU-CVE-2025-40141
Ubuntu:24.04:LTSlinux-gkeop6.8.0-1035.38UBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2025-40141
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2025-40141
Ubuntu:24.04:LTSlinux-hwe-6.14no fix listedUBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-106.106~22.04.1UBUNTU-CVE-2025-40141
Ubuntu:24.04:LTSlinux-ibm6.8.0-1049.49UBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-ibm-6.86.8.0-1049.49~22.04.1UBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2025-40141
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-106.106.1UBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2025-40141
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-106.106.1~22.04.1UBUNTU-CVE-2025-40141
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1049.52UBUNTU-CVE-2025-40141
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2025-40141
Ubuntu:24.04:LTSlinux-nvidia-6.176.17.0-1008.8UBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1049.52~22.04.1UBUNTU-CVE-2025-40141
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1049.52.1UBUNTU-CVE-2025-40141
Ubuntu:24.04:LTSlinux-nvidia-tegra6.8.0-1020.20UBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2025-40141
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2025-40141
Ubuntu:24.04:LTSlinux-oem-6.14no fix listedUBUNTU-CVE-2025-40141
Ubuntu:24.04:LTSlinux-oem-6.176.17.0-1011.11UBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2025-40141
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2025-40141
Ubuntu:24.04:LTSlinux-oracle6.8.0-1047.48UBUNTU-CVE-2025-40141
Ubuntu:25.10linux-oracle6.17.0-1007.7UBUNTU-CVE-2025-40141
Ubuntu:24.04:LTSlinux-oracle-6.14no fix listedUBUNTU-CVE-2025-40141
Ubuntu:24.04:LTSlinux-oracle-6.176.17.0-1007.7~24.04.1UBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-oracle-6.86.8.0-1047.48~22.04.1UBUNTU-CVE-2025-40141
Ubuntu:24.04:LTSlinux-raspi6.8.0-1050.54UBUNTU-CVE-2025-40141
Ubuntu:25.10linux-raspi6.17.0-1008.8UBUNTU-CVE-2025-40141
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2025-40141
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2025-40141
Ubuntu:25.10linux-realtime6.17.0-1006.7UBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2025-40141
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2025-40141
Ubuntu:25.10linux-riscv6.17.0-14.14.1UBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2025-40141
Ubuntu:24.04:LTSlinux-riscv-6.14no fix listedUBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-riscv-6.86.8.0-106.106~22.04.1UBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2025-40141
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2025-40141
Ubuntu:24.04:LTSlinux-xilinx6.8.0-1028.29UBUNTU-CVE-2025-40141

Affected products (as reported)

VendorProductVersions
Linux Linux ccf74f2390d60a2f9a75ef496d2564abb478f46a – before eba6d787ec117a5d2c60f9644e0a39c18542b6beccf74f2390d60a2f9a75ef496d2564abb478f46a – before 5319145a07d8bf5b0782b25cb3115825689d42bbccf74f2390d60a2f9a75ef496d2564abb478f46a – before 80689777919f02328eb873769de4647c9dd3e371ccf74f2390d60a2f9a75ef496d2564abb478f46a – before c92ad1a155ccfa38b87bd1d998287e1c0a24248dccf74f2390d60a2f9a75ef496d2564abb478f46a – before 9950f095d6c875dbe0c9ebfcf972ec88fdf26fc8
Linux Linux 6.0

References