Vulnerability · Published Jul 4, 2025 · Assigned by Linux

CVE-2025-38206exfat: fix double free in delayed_free

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 9% 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 91.5% 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: exfat: fix double free in delayed_free The double free could happen in the following path. exfat_create_upcase_table() exfat_create_upcase_table() : return error exfat_free_upcase_table() : free ->vol_utbl exfat_load_default_upcase_table : return error exfat_kill_sb() delayed_free() exfat_free_upcase_table() <--------- double free This patch set ->vol_util as NULL after freeing it.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:9kernel5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-64k5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-64k-core5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-64k-debug5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-64k-debug-core5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-64k-debug-devel5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-64k-debug-devel-matched5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-64k-debug-modules5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-64k-debug-modules-core5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-64k-debug-modules-extra5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-64k-devel5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-64k-devel-matched5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-64k-modules5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-64k-modules-core5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-64k-modules-extra5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:10kernel-abi-stablelists6.12.0-124.39.1.el10_1ALSA-2026:3275
AlmaLinux:9kernel-abi-stablelists5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-core5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-cross-headers5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-debug5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-debug-core5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-debug-devel5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-debug-devel-matched5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-debug-modules5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-debug-modules-core5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-debug-modules-extra5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-debug-uki-virt5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-devel5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-devel-matched5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:10kernel-doc6.12.0-124.39.1.el10_1ALSA-2026:3275
AlmaLinux:9kernel-doc5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-headers5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-modules5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-modules-core5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-modules-extra5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-rt5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-rt-64k5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-rt-64k-core5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-rt-64k-debug5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-rt-64k-debug-core5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-rt-64k-debug-devel5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-rt-64k-debug-modules5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-rt-64k-debug-modules-core5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-rt-64k-debug-modules-extra5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-rt-64k-devel5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-rt-64k-modules5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-rt-64k-modules-core5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-rt-64k-modules-extra5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-rt-core5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-rt-debug5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-rt-debug-core5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-rt-debug-devel5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-rt-debug-modules5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-rt-debug-modules-core5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-rt-debug-modules-extra5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-rt-devel5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-rt-modules5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-rt-modules-core5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-rt-modules-extra5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-tools5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-tools-libs5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-tools-libs-devel5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-uki-virt5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-uki-virt-addons5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-zfcpdump5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-zfcpdump-core5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-zfcpdump-devel5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-zfcpdump-devel-matched5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-zfcpdump-modules5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-zfcpdump-modules-core5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9kernel-zfcpdump-modules-extra5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9libperf5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9perf5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9python3-perf5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9rtla5.14.0-611.35.1.el9_7ALSA-2026:3066
AlmaLinux:9rv5.14.0-611.35.1.el9_7ALSA-2026:3066
Debian:12linux6.1.187-1DEBIAN-CVE-2025-38206
Debian:13linux6.12.111-1DEBIAN-CVE-2025-38206
Debian:14linux6.16.3-1DEBIAN-CVE-2025-38206
Debian:12linux-6.126.12.111-1~deb12u1DEBIAN-CVE-2025-38206
Ubuntu:22.04:LTSlinux5.15.0-156.166UBUNTU-CVE-2025-38206
Ubuntu:24.04:LTSlinuxno fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-aws5.15.0-1092.99UBUNTU-CVE-2025-38206
Ubuntu:24.04:LTSlinux-awsno fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2025-38206
Ubuntu:24.04:LTSlinux-aws-6.146.14.0-1015.15~24.04.1USN-7833-3
Ubuntu:24.04:LTSlinux-aws-6.146.14.0-1015.15~24.04.1UBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-aws-6.8no fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-azure5.15.0-1096.105UBUNTU-CVE-2025-38206
Ubuntu:24.04:LTSlinux-azureno fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2025-38206
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2025-38206
Ubuntu:24.04:LTSlinux-azure-6.146.14.0-1014.14~24.04.1USN-7834-1
Ubuntu:24.04:LTSlinux-azure-6.146.14.0-1014.14~24.04.1UBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-azure-6.8no fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1096.105.1UBUNTU-CVE-2025-38206
Ubuntu:24.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2025-38206
Ubuntu:25.10linux-azure-fdeno fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2025-38206
Ubuntu:24.04:LTSlinux-azure-fde-6.17no fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-azure-fde-6.8no fix listedUBUNTU-CVE-2025-38206
Ubuntu:24.04:LTSlinux-azure-nvidiano fix listedUBUNTU-CVE-2025-38206
Ubuntu:24.04:LTSlinux-azure-nvidia-6.146.14.0-1007.7USN-7834-1
Ubuntu:24.04:LTSlinux-azure-nvidia-6.146.14.0-1007.7UBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-gcp5.15.0-1092.101UBUNTU-CVE-2025-38206
Ubuntu:24.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2025-38206
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2025-38206
Ubuntu:24.04:LTSlinux-gcp-6.146.14.0-1018.19~24.04.1USN-7833-4
Ubuntu:24.04:LTSlinux-gcp-6.146.14.0-1018.19~24.04.1UBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-gcp-6.8no fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-gke5.15.0-1089.95UBUNTU-CVE-2025-38206
Ubuntu:24.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1075.83UBUNTU-CVE-2025-38206
Ubuntu:24.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2025-38206
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2025-38206
Ubuntu:24.04:LTSlinux-hwe-6.146.14.0-34.34~24.04.1USN-7856-1
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-hwe-6.8no fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-ibm5.15.0-1086.89UBUNTU-CVE-2025-38206
Ubuntu:24.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-ibm-6.8no fix listedUBUNTU-CVE-2025-38206
Ubuntu:24.04:LTSlinux-intelno fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1087.93UBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-kvm5.15.0-1088.93UBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-156.166UBUNTU-CVE-2025-38206
Ubuntu:24.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2025-38206
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.8no fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1087.88UBUNTU-CVE-2025-38206
Ubuntu:24.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2025-38206
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-nvidia-6.8no fix listedUBUNTU-CVE-2025-38206
Ubuntu:24.04:LTSlinux-nvidia-lowlatencyno fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1045.45UBUNTU-CVE-2025-38206
Ubuntu:24.04:LTSlinux-nvidia-tegra6.8.0-1035.38USN-8781-1
Ubuntu:24.04:LTSlinux-nvidia-tegra6.8.0-1035.38UBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1034.34UBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2025-38206
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2025-38206
Ubuntu:24.04:LTSlinux-oem-6.146.14.0-1014.14USN-7833-1
Ubuntu:24.04:LTSlinux-oem-6.146.14.0-1014.14UBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2025-38206
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-oracle5.15.0-1090.96UBUNTU-CVE-2025-38206
Ubuntu:24.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2025-38206
Ubuntu:24.04:LTSlinux-oracle-6.146.14.0-1015.15~24.04.1USN-7833-1
Ubuntu:24.04:LTSlinux-oracle-6.146.14.0-1015.15~24.04.1UBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-oracle-6.8no fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-raspi5.15.0-1086.89UBUNTU-CVE-2025-38206
Ubuntu:24.04:LTSlinux-raspino fix listedUBUNTU-CVE-2025-38206
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2025-38206
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2025-38206
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2025-38206
Ubuntu:24.04:LTSlinux-riscv-6.146.14.0-34.34.1~24.04.1UBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-riscv-6.8no fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2025-38206
Ubuntu:24.04:LTSlinux-vmwareno fix listedUBUNTU-CVE-2025-38206
Ubuntu:24.04:LTSlinux-xilinxno fix listedUBUNTU-CVE-2025-38206
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1056.60UBUNTU-CVE-2025-38206

Affected products (as reported)

VendorProductVersions
Linux Linux 1acf1a564b6034b5af1e7fb23cb98cb3bb4f6003 – before 13d8de1b6568dcc31a95534ced16bc0c9a67bc151acf1a564b6034b5af1e7fb23cb98cb3bb4f6003 – before 66e84439ec2af776ce749e8540f8fdd2577741521acf1a564b6034b5af1e7fb23cb98cb3bb4f6003 – before ea27703eb0efbadcd45b9949526160ed90536a721acf1a564b6034b5af1e7fb23cb98cb3bb4f6003 – before ac65f76db9b2ff3fbc9e198c0e9aaf81b111b7d01acf1a564b6034b5af1e7fb23cb98cb3bb4f6003 – before 29abaf93357f4a7d083cf399d4306999e20db31d1acf1a564b6034b5af1e7fb23cb98cb3bb4f6003 – before d3cef0e7a5c1aa6217c51faa9ce8ecac35d6e1fd1acf1a564b6034b5af1e7fb23cb98cb3bb4f6003 – before 1f3d9724e16d62c7d42c67d6613b8512f2887c22
Linux Linux 5.7

References