PT-2025-8892 · Linux+7 · Linux Kernel+7

Jiang Liu · Published 2025-02-07 · Updated 2026-05-07 · CVE-2025-21780

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A buffer overflow issue exists in the Linux kernel, specifically in the drm/amdgpu component. This issue can be triggered when a malicious user provides a small pptable through sysfs and then a bigger pptable, potentially causing a buffer overflow attack in the smu sys set pp table() function.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

ALT-PU-2025-12647

AZL-57776

AZL-57968

BDU:2025-11842

CVE-2025-21780

DLA-4102-1

LSN-0119-1

OESA-2025-1446

OESA-2025-1448

OESA-2025-1449

OESA-2025-1450

OPENSUSE-SU-2025_1177-1

OPENSUSE-SU-2025_1178-1

OPENSUSE-SU-2025_1180-1

OPENSUSE-SU-2025_1263-1

SUSE-SU-2025:01919-1

SUSE-SU-2025:1027-1

SUSE-SU-2025:1176-1

SUSE-SU-2025:1177-1

SUSE-SU-2025:1178-1

SUSE-SU-2025:1180-1

SUSE-SU-2025:1183-1

SUSE-SU-2025:1194-1

SUSE-SU-2025:1241-1

SUSE-SU-2025:1263-1

SUSE-SU-2025:20190-1

SUSE-SU-2025:20192-1

SUSE-SU-2025:20260-1

SUSE-SU-2025:20270-1

SUSE-SU-2025_1027-1

SUSE-SU-2025_1177-1

SUSE-SU-2025_1178-1

SUSE-SU-2025_1180-1

SUSE-SU-2025_1241-1

SUSE-SU-2025_1263-1

USN-7521-1

USN-7521-2

USN-7521-3

USN-7703-1

USN-7703-2

USN-7703-3

USN-7703-4

USN-7719-1

USN-7737-1

USN-8060-1

USN-8060-2

USN-8060-3

USN-8060-4

USN-8060-5

USN-8060-6

USN-8060-7

USN-8098-1

USN-8098-10

USN-8098-2

USN-8098-3

USN-8098-4

USN-8098-5

USN-8098-6

USN-8098-7

USN-8098-8

USN-8098-9

USN-8107-1

USN-8141-1

USN-8163-1

USN-8163-2

USN-8201-1

USN-8224-1

USN-8243-1

Affected Products

Alt Linux

Astra Linux

Debian

Linuxmint

Linux Kernel

Red Os

Suse

Ubuntu

References · 3427

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21780.json · Exploit
• https://ubuntu.com/security/CVE-2025-21748 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-21711 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-21792 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-41935 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-21739 · Security Note
• https://ubuntu.com/security/CVE-2025-37849 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-8163-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-68800 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:1027-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-40110 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-23097 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-22058 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-21835 · Security Note
• https://ubuntu.com/security/CVE-2024-46830 · Vendor Advisory