CVE-2025-39678

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

MEDIUM
5.5
CVSS Score
Published: September 5, 2025 at 05:20 PM UTC
Updated: October 19, 2026 at 09:10 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

6.13 ≤ v < 6.16.46.7 ≤ v < 6.12.565150542b8ec5fb561be080ed0ef3bab8598154c36.176.17 rc16.17 rc26.7
Vendor states this is fixed in 2c78fb287e1f430b929f2e49786518350d15605c (fixed)
Vendor states this is fixed in 782977c0d8ba432b6fd3d5d0d87016a523ec1c69 (fixed)
Vendor states this is fixed in d47782d5c0cb87b9826041f34505580204ccf703 (fixed)
Vendor states this is fixed in 6.12.56 (unaffected)
Vendor states this is fixed in 6.16.4 (unaffected)
Vendor states this is fixed in 6.17 (unaffected)
Vendor states this is fixed in 6.7 (unaffected)

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-476

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