CVE-2025-38340: firmware: cs_dsp: Fix OOB memory read access in KUnit test

Published Jul 10, 2025
·
Updated

firmware: csdsp: Fix OOB memory read access in KUnit test

Affected Software

102 affected componentsFixes available
Linux Kernel
Linux Linux kernel>=6.14<6.15.4
Microsoft azl3 kernel 6.6.92.2-2<6.6.96.1-1
6.6.96.1-1
ubuntu/linux-hwe-edge*
ubuntu/linux-aws-5.0*
ubuntu/linux-aws-5.3*
ubuntu/linux-azure*
ubuntu/linux-azure-5.3*
ubuntu/linux-azure-edge*
ubuntu/linux-gcp*
ubuntu/linux-gcp-5.3*
ubuntu/linux-gke-4.15*
ubuntu/linux-gke-5.4*
ubuntu/linux-gkeop-5.4*
ubuntu/linux-hwe*
ubuntu/linux-hwe-edge*
ubuntu/linux-oem*
ubuntu/linux-oracle-5.0*
ubuntu/linux-oracle-5.3*
ubuntu/linux-aws-5.11*
ubuntu/linux-aws-5.13*
ubuntu/linux-aws-5.8*
ubuntu/linux-azure-5.11*
ubuntu/linux-azure-5.13*
ubuntu/linux-azure-5.8*
ubuntu/linux-azure-fde*
ubuntu/linux-gcp-5.11*
ubuntu/linux-gcp-5.13*
ubuntu/linux-gcp-5.8*
ubuntu/linux-gke*
ubuntu/linux-gke-5.15*
ubuntu/linux-gkeop*
ubuntu/linux-gkeop-5.15*
ubuntu/linux-hwe-5.11*
ubuntu/linux-hwe-5.13*
ubuntu/linux-hwe-5.8*
ubuntu/linux-intel-5.13*
ubuntu/linux-oem-5.10*
ubuntu/linux-oem-5.13*
ubuntu/linux-oem-5.6*
ubuntu/linux-oracle-5.11*
ubuntu/linux-oracle-5.13*
ubuntu/linux-oracle-5.8*
ubuntu/linux-raspi2*
ubuntu/linux-riscv*
ubuntu/linux-riscv-5.11*
ubuntu/linux-riscv-5.8*
ubuntu/linux-allwinner-5.19*
ubuntu/linux-aws-5.19*
ubuntu/linux-aws-6.2*
ubuntu/linux-aws-6.5*
ubuntu/linux-azure-5.19*
ubuntu/linux-azure-6.2*
ubuntu/linux-azure-6.5*
ubuntu/linux-azure-fde-5.19*
ubuntu/linux-azure-fde-6.2*
ubuntu/linux-gcp-5.19*
ubuntu/linux-gcp-6.2*
ubuntu/linux-gcp-6.5*
ubuntu/linux-hwe-5.19*
ubuntu/linux-hwe-6.2*
ubuntu/linux-hwe-6.5*
ubuntu/linux-intel-iot-realtime*
ubuntu/linux-lowlatency-hwe-5.19*
ubuntu/linux-lowlatency-hwe-6.2*
ubuntu/linux-lowlatency-hwe-6.5*
ubuntu/linux-nvidia-6.2*
ubuntu/linux-nvidia-6.5*
ubuntu/linux-oem-5.17*
ubuntu/linux-oem-6.0*
ubuntu/linux-oem-6.1*
ubuntu/linux-oem-6.5*
ubuntu/linux-oracle-6.5*
ubuntu/linux-realtime*
ubuntu/linux-riscv*
ubuntu/linux-riscv-5.19*
ubuntu/linux-riscv-6.5*
ubuntu/linux-starfive-5.19*
ubuntu/linux-starfive-6.2*
ubuntu/linux-starfive-6.5*
ubuntu/linux-aws-6.14<6.14.0-1015.15~24.04.1
6.14.0-1015.15~24.04.1
ubuntu/linux-azure-6.11*
ubuntu/linux-azure-6.14<6.14.0-1014.14~24.04.1
6.14.0-1014.14~24.04.1
ubuntu/linux-azure-fde-6.17*
ubuntu/linux-azure-nvidia-6.14<6.14.0-1007.7
6.14.0-1007.7
ubuntu/linux-gcp-6.11*
ubuntu/linux-gcp-6.14<6.14.0-1018.19~24.04.1
6.14.0-1018.19~24.04.1
ubuntu/linux-hwe-6.11*
ubuntu/linux-intel*
ubuntu/linux-lowlatency-hwe-6.11*
ubuntu/linux-nvidia-6.11*
ubuntu/linux-oem-6.11*
ubuntu/linux-oem-6.14<6.14.0-1014.14
6.14.0-1014.14
ubuntu/linux-oem-6.8*
ubuntu/linux-oracle-6.14<6.14.0-1015.15~24.04.1
6.14.0-1015.15~24.04.1
ubuntu/linux-raspi-realtime*
ubuntu/linux-realtime*
ubuntu/linux-riscv*
ubuntu/linux-riscv-6.14<6.14.0-34.34.1~24.04.1
6.14.0-34.34.1~24.04.1
ubuntu/linux-realtime-6.14<6.14.0-1014.14~24.04.1
6.14.0-1014.14~24.04.1
ubuntu/linux-azure-fde*
ubuntu/linux-vmware*

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.6.96.1-1
  2. Upgrade

    Upgrade ubuntu/linux-aws-6.14 to a version that resolves this vulnerability.

    Fixed in 6.14.0-1015.15~24.04.1
  3. Upgrade

    Upgrade ubuntu/linux-azure-6.14 to a version that resolves this vulnerability.

    Fixed in 6.14.0-1014.14~24.04.1
  4. Upgrade

    Upgrade ubuntu/linux-azure-nvidia-6.14 to a version that resolves this vulnerability.

    Fixed in 6.14.0-1007.7
  5. Upgrade

    Upgrade ubuntu/linux-gcp-6.14 to a version that resolves this vulnerability.

    Fixed in 6.14.0-1018.19~24.04.1
  6. Upgrade

    Upgrade ubuntu/linux-oem-6.14 to a version that resolves this vulnerability.

    Fixed in 6.14.0-1014.14
  7. Upgrade

    Upgrade ubuntu/linux-oracle-6.14 to a version that resolves this vulnerability.

    Fixed in 6.14.0-1015.15~24.04.1
  8. Upgrade

    Upgrade ubuntu/linux-riscv-6.14 to a version that resolves this vulnerability.

    Fixed in 6.14.0-34.34.1~24.04.1
  9. Upgrade

    Upgrade ubuntu/linux-realtime-6.14 to a version that resolves this vulnerability.

    Fixed in 6.14.0-1014.14~24.04.1

Event History

Jul 10, 2025
CVE Published
via MITRE·08:15 AM
Data Sourced
via MITRE·08:15 AM
Description
Data Sourced
via OSV·09:15 AM
DescriptionSeverityAffected Software
Data Sourced
via NVD·09:15 AM
RemedyDescriptionSeverityWeaknessAffected Software
Sep 4, 2025
Data Sourced
via Microsoft·07:57 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·07:57 AM
Affected Software

Frequently Asked Questions

1

What is the severity of CVE-2025-38340?

The severity of CVE-2025-38340 is classified as moderate due to the potential for out-of-bounds memory access.

2

How do I fix CVE-2025-38340?

To fix CVE-2025-38340, update to the latest version of the Linux Kernel that includes the patch addressing this vulnerability.

3

What software is affected by CVE-2025-38340?

CVE-2025-38340 affects the Linux Kernel, particularly the firmware component related to the cs_dsp module.

4

What type of vulnerability is CVE-2025-38340?

CVE-2025-38340 is an out-of-bounds memory access vulnerability that was identified in a KUnit test.

5

What impact can CVE-2025-38340 have on system security?

If exploited, CVE-2025-38340 could potentially lead to unauthorized information disclosure or system instability.

Company

Resources

Contact

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