7.8

CVE-2025-21780: drm/amdgpu: avoid buffer overflow attach in smu_sys_set_pp_table()

Modified
AliasesUBUNTU-CVE-2025-21780DEBIAN-CVE-2025-21780
Published 27-02-2025Last modified 15-10-2026

Vulnerability summary

CVE-2025-21780 is a high (CVSS 7.8) vulnerability in linux. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 18.1% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.26%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 48 · Related 47
DLA-4102-1LSN-0119-1SUSE-SU-2025:01919-1SUSE-SU-2025:1027-1SUSE-SU-2025:1176-1SUSE-SU-2025:1177-1

Timeline

  1. 27-02-2025
    PublishedVulnerability first disclosed.
  2. 15-10-2026
    Last modifiedVulnerability information updated.

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().

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.26%

Chance of exploitation in the next 30 days

Percentile

18%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.26% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu133 products
  • linux< 5.4.0-227.247 | < 5.15.0-171.181 | < 6.8.0-78.78
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 5.4.0-1156.166 | < 5.15.0-1101.108 | < 6.8.0-1035.37
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 137d63abbf6a0859e79b662e81d21170ecb75e59, < 3484ea33157bc7334f57e64826ec5a4bf992151a | ≥ 137d63abbf6a0859e79b662e81d21170ecb75e59, < e43a8b9c4d700ffec819c5043a48769b3e7d9cab | ≥ 137d63abbf6a0859e79b662e81d21170ecb75e59, < 2498d2db1d35e88a2060ea191ae75dce853dd084 | ≥ 137d63abbf6a0859e79b662e81d21170ecb75e59, < 231075c5a8ea54f34b7c4794687baa980814e6de | ≥ 137d63abbf6a0859e79b662e81d21170ecb75e59, < 1abb2648698bf10783d2236a6b4a7ca5e8021699 | 5.2
  • linux_kernel< 6.1.129 | ≥ 6.2, < 6.6.79 | ≥ 6.7, < 6.12.16 | ≥ 6.13, < 6.13.4 | 6.14:rc1 | 6.14:rc2
Debian1 product
  • linux< 6.1.129-1 | < 6.12.16-1

3 vendors · 136 products

References

46 links
Show all 46 references