Medium 5.5Published Sep 5, 2025

CVE-2025-39678platform/x86/amd/hsmp: Ensure sock->metric_tbl_addr is non-NULL

Updated under an hour ago (Oct 27, 2026, 6:23 PM ET)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: platform/x86/amd/hsmp: Ensure sock->metric_tbl_addr is non-NULL If metric table address is not allocated, accessing metrics_bin will result in a NULL pointer dereference, so add a check.

CVSS: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Analyzed
Record last updated: May 11, 2026
First seen by InfoSec Signals: Oct 19, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	5150542b8ec5fb561be080ed0ef3bab8598154c3 builds before 782977c0d8ba432b6fd3d5d0d87016a523ec1c69; from 5150542b8ec5fb561be080ed0ef3bab8598154c3 before d47782d5c0cb87b9826041f34505580204ccf703; 5150542b8ec5fb561be080ed0ef3bab8598154c3 builds before 2c78fb287e1f430b929f2e49786518350d15605c	CNA record
linux linux_kernel linux:linux_kernel	from 6.7 before 6.12.56; from 6.13 before 6.16.4; 6.17; 6.17	NVD

References

References

https://git.kernel.org/stable/c/782977c0d8ba432b6fd3d5d0d87016a523ec1c69	patch
https://git.kernel.org/stable/c/d47782d5c0cb87b9826041f34505580204ccf703	patch
https://git.kernel.org/stable/c/2c78fb287e1f430b929f2e49786518350d15605c	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.