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Vulnerability · Published Nov 12, 2025 · Assigned by Linux

CVE-2025-40121ASoC: Intel: bytcr_rt5651: Fix invalid quirk input mapping

Unrated

In plain English

A 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 14% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS )–Not rated
Exploit odds (30 days)0.2%top 85.9% 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: ASoC: Intel: bytcr_rt5651: Fix invalid quirk input mapping When an invalid value is passed via quirk option, currently bytcr_rt5640 driver just ignores and leaves as is, which may lead to unepxected results like OOB access. This patch adds the sanity check and corrects the input mapping to the certain default value if an invalid value is passed.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.158-1DEBIAN-CVE-2025-40121
Debian:13linux6.12.57-1DEBIAN-CVE-2025-40121
Debian:14linux6.17.6-1DEBIAN-CVE-2025-40121
Ubuntu:22.04:LTSlinux5.15.0-170.180UBUNTU-CVE-2025-40121
Ubuntu:24.04:LTSlinux6.8.0-106.106UBUNTU-CVE-2025-40121
Ubuntu:25.10linux6.17.0-14.14UBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-aws5.15.0-1100.107UBUNTU-CVE-2025-40121
Ubuntu:24.04:LTSlinux-aws6.8.0-1050.53UBUNTU-CVE-2025-40121
Ubuntu:25.10linux-aws6.17.0-1007.7UBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2025-40121
Ubuntu:24.04:LTSlinux-aws-6.14no fix listedUBUNTU-CVE-2025-40121
Ubuntu:24.04:LTSlinux-aws-6.176.17.0-1007.7~24.04.1UBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1050.53~22.04.1UBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-azure5.15.0-1109.118UBUNTU-CVE-2025-40121
Ubuntu:24.04:LTSlinux-azure6.8.0-1051.57UBUNTU-CVE-2025-40121
Ubuntu:25.10linux-azure6.17.0-1008.8UBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2025-40121
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2025-40121
Ubuntu:24.04:LTSlinux-azure-6.14no fix listedUBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1051.57~22.04.1UBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1109.118.1UBUNTU-CVE-2025-40121
Ubuntu:24.04:LTSlinux-azure-fde6.8.0-1058.65UBUNTU-CVE-2025-40121
Ubuntu:25.10linux-azure-fdeno fix listedUBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2025-40121
Ubuntu:24.04:LTSlinux-azure-fde-6.14no fix listedUBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-azure-fde-6.86.8.0-1058.65~22.04.1UBUNTU-CVE-2025-40121
Ubuntu:24.04:LTSlinux-azure-nvidiano fix listedUBUNTU-CVE-2025-40121
Ubuntu:24.04:LTSlinux-azure-nvidia-6.14no fix listedUBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-gcp5.15.0-1100.109UBUNTU-CVE-2025-40121
Ubuntu:24.04:LTSlinux-gcp6.8.0-1052.55UBUNTU-CVE-2025-40121
Ubuntu:25.10linux-gcp6.17.0-1007.7UBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2025-40121
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2025-40121
Ubuntu:24.04:LTSlinux-gcp-6.14no fix listedUBUNTU-CVE-2025-40121
Ubuntu:24.04:LTSlinux-gcp-6.176.17.0-1008.8~24.04.1UBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1052.55~22.04.1UBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-gke5.15.0-1096.102UBUNTU-CVE-2025-40121
Ubuntu:24.04:LTSlinux-gke6.8.0-1048.53UBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1083.91UBUNTU-CVE-2025-40121
Ubuntu:24.04:LTSlinux-gkeop6.8.0-1035.38UBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2025-40121
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2025-40121
Ubuntu:24.04:LTSlinux-hwe-6.14no fix listedUBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-106.106~22.04.1UBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-ibm5.15.0-1094.97UBUNTU-CVE-2025-40121
Ubuntu:24.04:LTSlinux-ibm6.8.0-1049.49UBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-ibm-6.86.8.0-1049.49~22.04.1UBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1095.101UBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-kvm5.15.0-1092.97UBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-170.180UBUNTU-CVE-2025-40121
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-106.106.1UBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2025-40121
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-106.106.1~22.04.1UBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1095.96UBUNTU-CVE-2025-40121
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1049.52UBUNTU-CVE-2025-40121
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2025-40121
Ubuntu:24.04:LTSlinux-nvidia-6.176.17.0-1008.8UBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1049.52~22.04.1UBUNTU-CVE-2025-40121
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1049.52.1UBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1052.52UBUNTU-CVE-2025-40121
Ubuntu:24.04:LTSlinux-nvidia-tegra6.8.0-1020.20UBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1041.41UBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2025-40121
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2025-40121
Ubuntu:24.04:LTSlinux-oem-6.14no fix listedUBUNTU-CVE-2025-40121
Ubuntu:24.04:LTSlinux-oem-6.176.17.0-1011.11UBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2025-40121
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-oracle5.15.0-1097.103UBUNTU-CVE-2025-40121
Ubuntu:24.04:LTSlinux-oracle6.8.0-1047.48UBUNTU-CVE-2025-40121
Ubuntu:25.10linux-oracle6.17.0-1007.7UBUNTU-CVE-2025-40121
Ubuntu:24.04:LTSlinux-oracle-6.14no fix listedUBUNTU-CVE-2025-40121
Ubuntu:24.04:LTSlinux-oracle-6.176.17.0-1007.7~24.04.1UBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-oracle-6.86.8.0-1047.48~22.04.1UBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-raspi5.15.0-1097.100UBUNTU-CVE-2025-40121
Ubuntu:24.04:LTSlinux-raspi6.8.0-1050.54UBUNTU-CVE-2025-40121
Ubuntu:25.10linux-raspi6.17.0-1008.8UBUNTU-CVE-2025-40121
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2025-40121
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2025-40121
Ubuntu:25.10linux-realtime6.17.0-1006.7UBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2025-40121
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2025-40121
Ubuntu:25.10linux-riscv6.17.0-14.14.1UBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2025-40121
Ubuntu:24.04:LTSlinux-riscv-6.14no fix listedUBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-riscv-6.86.8.0-106.106~22.04.1UBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2025-40121
Ubuntu:24.04:LTSlinux-xilinx6.8.0-1028.29UBUNTU-CVE-2025-40121
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1064.68UBUNTU-CVE-2025-40121

Affected products (as reported)

VendorProductVersions
Linux Linux 64484ccee7af53f08cca2ee3853cb8e18914d8b2 – before bff827b0d507e52b23efab9f67c232a4f037ab2c64484ccee7af53f08cca2ee3853cb8e18914d8b2 – before 64a36a7032082b4c330ce081acb6efb99246020e64484ccee7af53f08cca2ee3853cb8e18914d8b2 – before 95e29db33b5f73218ae08ebb48c61c9a8d28e2ff64484ccee7af53f08cca2ee3853cb8e18914d8b2 – before 2204e582b4eea872e1e7a5c90edcb84b928c68b064484ccee7af53f08cca2ee3853cb8e18914d8b2 – before f197894de2f4ef46c7d53827d9df294b75c35e1364484ccee7af53f08cca2ee3853cb8e18914d8b2 – before fdf99978a6480e14405212472b6c747e0fa43bed64484ccee7af53f08cca2ee3853cb8e18914d8b2 – before c60f269c123210a6846d6d1367de0eaa402c10b064484ccee7af53f08cca2ee3853cb8e18914d8b2 – before 4336efb59ef364e691ef829a73d9dbd4d5ed7c7b
Linux Linux 4.18

References