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CVE-2025-38676

HIGHCVSS 7.8/10EPSS 0.37%

Last modified

CVE-2025-38676 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Avoid stack buffer overflow from kernel cmdline While the kernel command line is considered trusted in most environments, avoid writing 1 byte past the end of "acpiid" if the "str" argument is maximum length.. EPSS estimates a 0.37% chance of exploitation in the next 30 days.

Description

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Avoid stack buffer overflow from kernel cmdline While the kernel command line is considered trusted in most environments, avoid writing 1 byte past the end of "acpiid" if the "str" argument is maximum length.

Metrics

CVSS 3.1
7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.37%

28.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
LinuxLinux Kernel>= 5.4.237, < 5.5—
LinuxLinux Kernel>= 5.10.175, < 5.10.241—
LinuxLinux Kernel>= 5.15.103, < 5.15.190—
LinuxLinux Kernel>= 6.1.16, < 6.1.149—
LinuxLinux Kernel>= 6.2.3, < 6.6.103—
LinuxLinux Kernel>= 6.7, < 6.12.44—
LinuxLinux Kernel>= 6.13, < 6.16.4—
LinuxLinux Kernel6.17Rc1
DebianDebian Linux11.0—

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2025-38676?
In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Avoid stack buffer overflow from kernel cmdline While the kernel command line is considered trusted in most environments, avoid writing 1 byte past the end of "acpiid" if the "str" argument is maximum length.
How severe is CVE-2025-38676?
CVE-2025-38676 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.37% probability of exploitation in the next 30 days.
How do I fix CVE-2025-38676?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-38676?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST