Vulnerability · Published Jun 18, 2025 · Assigned by Linux

CVE-2025-38079crypto: algif_hash - fix double free in hash_accept

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 12% 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 88.0% 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: crypto: algif_hash - fix double free in hash_accept If accept(2) is called on socket type algif_hash with MSG_MORE flag set and crypto_ahash_import fails, sk2 is freed. However, it is also freed in af_alg_release, leading to slab-use-after-free error.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8bpftool4.18.0-553.66.1.el8_10ALSA-2025:12752
AlmaLinux:8kernel4.18.0-553.66.1.el8_10ALSA-2025:12752
AlmaLinux:9kernel5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9kernel-64k5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9kernel-64k-core5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9kernel-64k-debug5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9kernel-64k-debug-core5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9kernel-64k-debug-devel5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9kernel-64k-debug-devel-matched5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9kernel-64k-debug-modules5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9kernel-64k-debug-modules-core5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9kernel-64k-debug-modules-extra5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9kernel-64k-devel5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9kernel-64k-devel-matched5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9kernel-64k-modules5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9kernel-64k-modules-core5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9kernel-64k-modules-extra5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:8kernel-abi-stablelists4.18.0-553.66.1.el8_10ALSA-2025:12752
AlmaLinux:9kernel-abi-stablelists5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:8kernel-core4.18.0-553.66.1.el8_10ALSA-2025:12752
AlmaLinux:9kernel-core5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:8kernel-cross-headers4.18.0-553.66.1.el8_10ALSA-2025:12752
AlmaLinux:9kernel-cross-headers5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:8kernel-debug4.18.0-553.66.1.el8_10ALSA-2025:12752
AlmaLinux:9kernel-debug5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:8kernel-debug-core4.18.0-553.66.1.el8_10ALSA-2025:12752
AlmaLinux:9kernel-debug-core5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:8kernel-debug-devel4.18.0-553.66.1.el8_10ALSA-2025:12752
AlmaLinux:9kernel-debug-devel5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9kernel-debug-devel-matched5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:8kernel-debug-modules4.18.0-553.66.1.el8_10ALSA-2025:12752
AlmaLinux:9kernel-debug-modules5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9kernel-debug-modules-core5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:8kernel-debug-modules-extra4.18.0-553.66.1.el8_10ALSA-2025:12752
AlmaLinux:9kernel-debug-modules-extra5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9kernel-debug-uki-virt5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:8kernel-devel4.18.0-553.66.1.el8_10ALSA-2025:12752
AlmaLinux:9kernel-devel5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9kernel-devel-matched5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:8kernel-doc4.18.0-553.66.1.el8_10ALSA-2025:12752
AlmaLinux:9kernel-doc5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:8kernel-headers4.18.0-553.66.1.el8_10ALSA-2025:12752
AlmaLinux:9kernel-headers5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:8kernel-modules4.18.0-553.66.1.el8_10ALSA-2025:12752
AlmaLinux:9kernel-modules5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9kernel-modules-core5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:8kernel-modules-extra4.18.0-553.66.1.el8_10ALSA-2025:12752
AlmaLinux:9kernel-modules-extra5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:8kernel-rt4.18.0-553.66.1.rt7.407.el8_10ALSA-2025:12753
AlmaLinux:9kernel-rt5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9kernel-rt-64k5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9kernel-rt-64k-core5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9kernel-rt-64k-debug5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9kernel-rt-64k-debug-core5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9kernel-rt-64k-debug-devel5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9kernel-rt-64k-debug-modules5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9kernel-rt-64k-debug-modules-core5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9kernel-rt-64k-debug-modules-extra5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9kernel-rt-64k-devel5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9kernel-rt-64k-modules5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9kernel-rt-64k-modules-core5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9kernel-rt-64k-modules-extra5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:8kernel-rt-core4.18.0-553.66.1.rt7.407.el8_10ALSA-2025:12753
AlmaLinux:9kernel-rt-core5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:8kernel-rt-debug4.18.0-553.66.1.rt7.407.el8_10ALSA-2025:12753
AlmaLinux:9kernel-rt-debug5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:8kernel-rt-debug-core4.18.0-553.66.1.rt7.407.el8_10ALSA-2025:12753
AlmaLinux:9kernel-rt-debug-core5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:8kernel-rt-debug-devel4.18.0-553.66.1.rt7.407.el8_10ALSA-2025:12753
AlmaLinux:9kernel-rt-debug-devel5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9kernel-rt-debug-kvm5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:8kernel-rt-debug-modules4.18.0-553.66.1.rt7.407.el8_10ALSA-2025:12753
AlmaLinux:9kernel-rt-debug-modules5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9kernel-rt-debug-modules-core5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:8kernel-rt-debug-modules-extra4.18.0-553.66.1.rt7.407.el8_10ALSA-2025:12753
AlmaLinux:9kernel-rt-debug-modules-extra5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:8kernel-rt-devel4.18.0-553.66.1.rt7.407.el8_10ALSA-2025:12753
AlmaLinux:9kernel-rt-devel5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9kernel-rt-kvm5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:8kernel-rt-modules4.18.0-553.66.1.rt7.407.el8_10ALSA-2025:12753
AlmaLinux:9kernel-rt-modules5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9kernel-rt-modules-core5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:8kernel-rt-modules-extra4.18.0-553.66.1.rt7.407.el8_10ALSA-2025:12753
AlmaLinux:9kernel-rt-modules-extra5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:8kernel-tools4.18.0-553.66.1.el8_10ALSA-2025:12752
AlmaLinux:9kernel-tools5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:8kernel-tools-libs4.18.0-553.66.1.el8_10ALSA-2025:12752
AlmaLinux:9kernel-tools-libs5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:8kernel-tools-libs-devel4.18.0-553.66.1.el8_10ALSA-2025:12752
AlmaLinux:9kernel-tools-libs-devel5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9kernel-uki-virt5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9kernel-uki-virt-addons5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:8kernel-zfcpdump4.18.0-553.66.1.el8_10ALSA-2025:12752
AlmaLinux:9kernel-zfcpdump5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:8kernel-zfcpdump-core4.18.0-553.66.1.el8_10ALSA-2025:12752
AlmaLinux:9kernel-zfcpdump-core5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:8kernel-zfcpdump-devel4.18.0-553.66.1.el8_10ALSA-2025:12752
AlmaLinux:9kernel-zfcpdump-devel5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9kernel-zfcpdump-devel-matched5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:8kernel-zfcpdump-modules4.18.0-553.66.1.el8_10ALSA-2025:12752
AlmaLinux:9kernel-zfcpdump-modules5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9kernel-zfcpdump-modules-core5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:8kernel-zfcpdump-modules-extra4.18.0-553.66.1.el8_10ALSA-2025:12752
AlmaLinux:9kernel-zfcpdump-modules-extra5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9libperf5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:8perf4.18.0-553.66.1.el8_10ALSA-2025:12752
AlmaLinux:9perf5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:8python3-perf4.18.0-553.66.1.el8_10ALSA-2025:12752
AlmaLinux:9python3-perf5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9rtla5.14.0-570.33.2.el9_6ALSA-2025:13602
AlmaLinux:9rv5.14.0-570.33.2.el9_6ALSA-2025:13602
Debian:12linux6.1.147-1DEBIAN-CVE-2025-38079
Debian:12linux6.1.147-1DSA-5973-1
Debian:13linux6.12.32-1DEBIAN-CVE-2025-38079
Debian:14linux6.12.32-1DEBIAN-CVE-2025-38079
Rocky Linux:10kernel0:6.12.0-55.27.1.el10_0RLSA-2025:13598
Rocky Linux:8kernel0:4.18.0-553.66.1.el8_10RLSA-2025:12752
Rocky Linux:9kernel0:5.14.0-570.33.2.el9_6RLSA-2025:13602
Rocky Linux:8kernel-rt0:4.18.0-553.66.1.rt7.407.el8_10RLSA-2025:12753
Ubuntu:22.04:LTSlinux5.15.0-152.162UBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux5.15.0-152.162USN-7704-1
Ubuntu:24.04:LTSlinux6.8.0-100.100UBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-aws5.15.0-1090.97USN-7704-1
Ubuntu:22.04:LTSlinux-aws5.15.0-1090.97UBUNTU-CVE-2025-38079
Ubuntu:24.04:LTSlinux-aws6.8.0-1046.49UBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2025-38079
Ubuntu:24.04:LTSlinux-aws-6.146.14.0-1013.13~24.04.1USN-7769-3
Ubuntu:24.04:LTSlinux-aws-6.146.14.0-1013.13~24.04.1UBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1046.49~22.04.1UBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-azure5.15.0-1094.103UBUNTU-CVE-2025-38079
Ubuntu:24.04:LTSlinux-azure6.8.0-1046.52UBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2025-38079
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1051.57~22.04.1UBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1094.103.1UBUNTU-CVE-2025-38079
Ubuntu:24.04:LTSlinux-azure-fde6.8.0-1046.53UBUNTU-CVE-2025-38079
Ubuntu:25.10linux-azure-fdeno fix listedUBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-azure-fde-6.86.8.0-1046.53~22.04.1UBUNTU-CVE-2025-38079
Ubuntu:24.04:LTSlinux-azure-nvidiano fix listedUBUNTU-CVE-2025-38079
Ubuntu:24.04:LTSlinux-azure-nvidia-6.146.14.0-1007.7UBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-gcp5.15.0-1090.99USN-7704-1
Ubuntu:22.04:LTSlinux-gcp5.15.0-1090.99UBUNTU-CVE-2025-38079
Ubuntu:24.04:LTSlinux-gcp6.8.0-1047.50UBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2025-38079
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2025-38079
Ubuntu:24.04:LTSlinux-gcp-6.146.14.0-1016.17~24.04.1UBUNTU-CVE-2025-38079
Ubuntu:24.04:LTSlinux-gcp-6.146.14.0-1016.17~24.04.1USN-7769-1
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1047.50~22.04.2UBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-gke5.15.0-1087.93UBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-gke5.15.0-1087.93USN-7704-5
Ubuntu:24.04:LTSlinux-gke6.8.0-1043.48UBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1073.81UBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1073.81USN-7704-1
Ubuntu:24.04:LTSlinux-gkeop6.8.0-1030.33UBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2025-38079
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2025-38079
Ubuntu:24.04:LTSlinux-hwe-6.146.14.0-32.32~24.04.1USN-7769-3
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-100.100~22.04.1UBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-ibm5.15.0-1084.87UBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-ibm5.15.0-1084.87USN-7704-3
Ubuntu:24.04:LTSlinux-ibm6.8.0-1044.44UBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-ibm-6.86.8.0-1044.44~22.04.1UBUNTU-CVE-2025-38079
Ubuntu:24.04:LTSlinux-intelno fix listedUBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1085.91USN-7704-3
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1085.91UBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-kvm5.15.0-1086.91UBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-kvm5.15.0-1086.91USN-7704-5
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-152.162UBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-152.162USN-7704-1
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-100.100.1UBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2025-38079
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-100.100.1~22.04.1UBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1085.86USN-7704-4
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1085.86UBUNTU-CVE-2025-38079
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1046.49UBUNTU-CVE-2025-38079
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1046.49~22.04.1UBUNTU-CVE-2025-38079
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1046.49.1UBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1043.43USN-7704-1
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1043.43UBUNTU-CVE-2025-38079
Ubuntu:24.04:LTSlinux-nvidia-tegra6.8.0-1020.20UBUNTU-CVE-2025-38079
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1032.32USN-7704-1
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1032.32UBUNTU-CVE-2025-38079

Affected products (as reported)

VendorProductVersions
Linux Linux fe869cdb89c95d060c77eea20204d6c91f233b53 – before 5bff312b59b3f2a54ff504e4f4e47272b64f3633fe869cdb89c95d060c77eea20204d6c91f233b53 – before bf7bba75b91539e93615f560893a599c1e1c98bffe869cdb89c95d060c77eea20204d6c91f233b53 – before c3059d58f79fdfb2201249c2741514e34562b547fe869cdb89c95d060c77eea20204d6c91f233b53 – before f0f3d09f53534ea385d55ced408f2b67059b16e4fe869cdb89c95d060c77eea20204d6c91f233b53 – before 134daaba93193df9e988524b5cd2f52d15eb1993fe869cdb89c95d060c77eea20204d6c91f233b53 – before 2f45a8d64fb4ed4830a4b3273834ecd6ca504896fe869cdb89c95d060c77eea20204d6c91f233b53 – before 0346f4b742345d1c733c977f3a7aef5a6419a967fe869cdb89c95d060c77eea20204d6c91f233b53 – before b2df03ed4052e97126267e8c13ad4204ea6ba9b6
Linux Linux 2.6.38

References