CVE-2025-21780

drm/amdgpu: avoid buffer overflow attach in smu_sys_set_pp_table()

HIGH
7.8
CVSS Score
Published: February 27, 2025 at 02:18 AM UTC
Updated: October 15, 2026 at 02:17 AM UTC
4 products affected across 2 vendorsLinux KernelSIMATIC S7-1500 CPU 1518-4 Pn /dp MFP FirmwareSiplus S7-1500 CPU 1518-4 Pn /dp MFP Firmware

Using Linux by Linux?

Get instant alerts when new vulnerabilities affect Linux - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
HIGH7.8
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: avoid buffer overflow attach in smu_sys_set_pp_table() It malicious user provides a small pptable through sysfs and then a bigger pptable, it may cause buffer overflow attack in function smu_sys_set_pp_table().

Affected

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

v < 6.1.1296.13 ≤ v < 6.13.46.2 ≤ v < 6.6.796.7 ≤ v < 6.12.16137d63abbf6a0859e79b662e81d21170ecb75e596.146.14 rc16.14 rc2
Vendor states this is fixed in 1abb2648698bf10783d2236a6b4a7ca5e8021699 (fixed)
Vendor states this is fixed in 231075c5a8ea54f34b7c4794687baa980814e6de (fixed)
Vendor states this is fixed in 2498d2db1d35e88a2060ea191ae75dce853dd084 (fixed)
Vendor states this is fixed in 3484ea33157bc7334f57e64826ec5a4bf992151a (fixed)
Vendor states this is fixed in e43a8b9c4d700ffec819c5043a48769b3e7d9cab (fixed)
Vendor states this is fixed in 5.2 (unaffected)
Vendor states this is fixed in 6.1.129 (unaffected)
Vendor states this is fixed in 6.12.16 (unaffected)
Vendor states this is fixed in 6.13.4 (unaffected)
Vendor states this is fixed in 6.14 (unaffected)
Vendor states this is fixed in 6.6.79 (unaffected)

References (8)

Mailing ListPatch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/1abb2648698bf10783d2236a6b4a7ca5e8021699
Mailing ListPatch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/231075c5a8ea54f34b7c4794687baa980814e6de
Mailing ListPatch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/2498d2db1d35e88a2060ea191ae75dce853dd084
Mailing ListPatch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/3484ea33157bc7334f57e64826ec5a4bf992151a
Mailing ListPatch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/e43a8b9c4d700ffec819c5043a48769b3e7d9cab
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html
Source: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
https://cert-portal.siemens.com/productcert/html/ssa-019113.html
Source: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
https://cert-portal.siemens.com/productcert/html/ssa-457936.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHLinux
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-120

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card