CVE-2025-39678NULL Pointer Dereference in Linux

Severity
5.5MEDIUMNVD
OSV3.2
EPSS
0.0%
top 97.72%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedSep 5
Latest updateApr 9

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages5 packages

NVDlinux/linux_kernel6.76.12.56+2
Debianlinux/linux_kernel< 6.12.57-1+1
Ubuntulinux/linux_kernel< 6.8.0-106.106
CVEListV5linux/linux5150542b8ec5fb561be080ed0ef3bab8598154c3782977c0d8ba432b6fd3d5d0d87016a523ec1c69+3
debiandebian/linux< linux 6.16.5-1 (forky)

Patches

🔴Vulnerability Details

10
OSV
linux-raspi, linux-raspi-realtime vulnerabilities2026-04-01
OSV
linux-azure-6.8 vulnerabilities2026-03-25
OSV
linux-azure vulnerabilities2026-03-25
OSV
linux-aws-6.8 vulnerabilities2026-03-23
OSV
linux-realtime, linux-realtime-6.8 vulnerabilities2026-03-17

📋Vendor Advisories

11
Ubuntu
Linux kernel (Azure FIPS) vulnerabilities2026-04-09
Ubuntu
Linux kernel (Raspberry Pi) vulnerabilities2026-04-01
Ubuntu
Linux kernel (Azure) vulnerabilities2026-03-25
Ubuntu
Linux kernel (Azure) vulnerabilities2026-03-25
Ubuntu
Linux kernel (AWS) vulnerabilities2026-03-23
CVE-2025-39678 — NULL Pointer Dereference in Linux | cvebase