Vulnerability · Published Apr 1, 2025 · Assigned by Linux

CVE-2025-21964cifs: Fix integer overflow while processing acregmax mount option

Medium 5.5

In plain English

A medium-severity integer overflow 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 11% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.2%top 89.2% 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: cifs: Fix integer overflow while processing acregmax mount option User-provided mount parameter acregmax of type u32 is intended to have an upper limit, but before it is validated, the value is converted from seconds to jiffies which can lead to an integer overflow. Found by Linux Verification Center (linuxtesting.org) with SVACE.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:9kernel5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-64k5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-64k-core5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-64k-debug5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-64k-debug-core5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-64k-debug-devel5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-64k-debug-devel-matched5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-64k-debug-modules5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-64k-debug-modules-core5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-64k-debug-modules-extra5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-64k-devel5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-64k-devel-matched5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-64k-modules5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-64k-modules-core5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-64k-modules-extra5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-abi-stablelists5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-core5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-cross-headers5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-debug5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-debug-core5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-debug-devel5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-debug-devel-matched5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-debug-modules5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-debug-modules-core5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-debug-modules-extra5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-debug-uki-virt5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-devel5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-devel-matched5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-doc5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-headers5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-modules5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-modules-core5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-modules-extra5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-rt5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-rt-64k5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-rt-64k-core5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-rt-64k-debug5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-rt-64k-debug-core5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-rt-64k-debug-devel5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-rt-64k-debug-modules5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-rt-64k-debug-modules-core5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-rt-64k-debug-modules-extra5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-rt-64k-devel5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-rt-64k-modules5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-rt-64k-modules-core5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-rt-64k-modules-extra5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-rt-core5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-rt-debug5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-rt-debug-core5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-rt-debug-devel5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-rt-debug-kvm5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-rt-debug-modules5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-rt-debug-modules-core5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-rt-debug-modules-extra5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-rt-devel5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-rt-kvm5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-rt-modules5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-rt-modules-core5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-rt-modules-extra5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-tools5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-tools-libs5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-tools-libs-devel5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-uki-virt5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-uki-virt-addons5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-zfcpdump5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-zfcpdump-core5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-zfcpdump-devel5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-zfcpdump-devel-matched5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-zfcpdump-modules5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-zfcpdump-modules-core5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9kernel-zfcpdump-modules-extra5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9libperf5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9perf5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9python3-perf5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9rtla5.14.0-570.18.1.el9_6ALSA-2025:8142
AlmaLinux:9rv5.14.0-570.18.1.el9_6ALSA-2025:8142
Debian:12linux6.1.133-1DEBIAN-CVE-2025-21964
Debian:13linux6.12.20-1DEBIAN-CVE-2025-21964
Debian:14linux6.12.20-1DEBIAN-CVE-2025-21964
Rocky Linux:10kernel0:6.12.0-55.14.1.el10_0RLSA-2025:8374
Rocky Linux:9kernel0:5.14.0-570.18.1.el9_6RLSA-2025:8142
Ubuntu:22.04:LTSlinux5.15.0-142.152UBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux5.15.0-142.152USN-7591-1
Ubuntu:24.04:LTSlinux6.8.0-84.84UBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-aws5.15.0-1086.93UBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-aws5.15.0-1086.93USN-7591-4
Ubuntu:24.04:LTSlinux-aws6.8.0-1039.41UBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1039.41~22.04.1UBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-azure5.15.0-1091.100USN-7597-1
Ubuntu:22.04:LTSlinux-azure5.15.0-1091.100UBUNTU-CVE-2025-21964
Ubuntu:24.04:LTSlinux-azure6.8.0-1038.44UBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2025-21964
Ubuntu:24.04:LTSlinux-azure-6.116.11.0-1018.18~24.04.1UBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1036.42~22.04.1UBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1091.100.1UBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2025-21964
Ubuntu:24.04:LTSlinux-azure-nvidia6.8.0-1025.27UBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-gcp5.15.0-1085.94USN-7591-1
Ubuntu:22.04:LTSlinux-gcp5.15.0-1085.94UBUNTU-CVE-2025-21964
Ubuntu:24.04:LTSlinux-gcp6.8.0-1040.42UBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2025-21964
Ubuntu:24.04:LTSlinux-gcp-6.116.11.0-1016.16~24.04.1UBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1040.42~22.04.1UBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-gke5.15.0-1083.89USN-7591-1
Ubuntu:22.04:LTSlinux-gke5.15.0-1083.89UBUNTU-CVE-2025-21964
Ubuntu:24.04:LTSlinux-gke6.8.0-1036.40UBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1068.76UBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1068.76USN-7591-1
Ubuntu:24.04:LTSlinux-gkeop6.8.0-1023.25UBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2025-21964
Ubuntu:24.04:LTSlinux-hwe-6.116.11.0-28.28~24.04.1UBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-85.85~22.04.1UBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-ibm5.15.0-1078.81USN-7591-1
Ubuntu:22.04:LTSlinux-ibm5.15.0-1078.81UBUNTU-CVE-2025-21964
Ubuntu:24.04:LTSlinux-ibm6.8.0-1037.37UBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-ibm-6.86.8.0-1037.37~22.04.1UBUNTU-CVE-2025-21964
Ubuntu:24.04:LTSlinux-intelno fix listedUBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1081.87USN-7591-5
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1081.87UBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-kvm5.15.0-1082.87UBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-kvm5.15.0-1082.87USN-7591-1
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-142.152UBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-142.152USN-7591-1
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-84.84.1UBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2025-21964
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.116.11.0-1015.16~24.04.2UBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-84.84.1~22.04.1UBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1080.81UBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1080.81USN-7591-1
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1039.42UBUNTU-CVE-2025-21964
Ubuntu:24.04:LTSlinux-nvidia-6.116.11.0-1012.12UBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1039.42~22.04.1UBUNTU-CVE-2025-21964
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1039.42.1UBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1039.39USN-7591-1
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1039.39UBUNTU-CVE-2025-21964
Ubuntu:24.04:LTSlinux-nvidia-tegra6.8.0-1010.10UBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1028.28USN-7591-1
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1028.28UBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2025-21964
Ubuntu:24.04:LTSlinux-oem-6.116.11.0-1024.24UBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2025-21964
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-oracle5.15.0-1083.89UBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-oracle5.15.0-1083.89USN-7591-1
Ubuntu:24.04:LTSlinux-oracle6.8.0-1037.38UBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-oracle-6.86.8.0-1037.38~22.04.1UBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-raspi5.15.0-1080.83USN-7591-6
Ubuntu:22.04:LTSlinux-raspi5.15.0-1080.83UBUNTU-CVE-2025-21964
Ubuntu:24.04:LTSlinux-raspi6.8.0-1039.43UBUNTU-CVE-2025-21964
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2025-21964
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2025-21964
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-riscv-6.86.8.0-84.84~22.04.1UBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2025-21964
Ubuntu:24.04:LTSlinux-xilinx6.8.0-1018.19UBUNTU-CVE-2025-21964
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1050.54UBUNTU-CVE-2025-21964

Affected products (as reported)

VendorProductVersions
Linux Linux 5780464614f6abe6026f00cf5a0777aa453ba450 – before a13351624a6af8d91398860b8c9d4cf6c8e63de55780464614f6abe6026f00cf5a0777aa453ba450 – before dd190168e60ac15408f074a1fe0ce36aff34027b5780464614f6abe6026f00cf5a0777aa453ba450 – before 0252c33cc943e9e48ddfafaa6b1eb72adb68a0995780464614f6abe6026f00cf5a0777aa453ba450 – before 833f2903eb8b70faca7967319e580e9ce69729fc5780464614f6abe6026f00cf5a0777aa453ba450 – before 5f500874ab9b3cc8c169c2ab49f00b838520b9c55780464614f6abe6026f00cf5a0777aa453ba450 – before 7489161b1852390b4413d57f2457cd40b34da6cc
Linux Linux 5.12

Weakness: CWE-190 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References