PT-2025-8897 · Linux+11 · Linux Kernel+11

Radu Rendec · Published 2025-02-06 · Updated 2026-04-20 · CVE-2025-21785

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 vulnerability in the Linux kernel has been resolved, specifically related to an out-of-bounds write to the cacheinfo array on arm64 architectures. The issue arises from a loop that detects and populates cache information, which has a bounds check on the array size but fails to account for cache levels with separate data and instructions cache.

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

Exploit

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

ALSA-2025:20095

ALSA-2025:3260

ALSA-2025:3264

ALT-PU-2025-12647

AZL-57956

BDU:2025-06408

CESA-2025_3260

CESA-2025_3264

CVE-2025-21785

DLA-4102-1

DLA-4178-1

INFSA-2025_3208

INFSA-2025_3260

INFSA-2025_3264

OESA-2025-1370

OESA-2025-1371

OESA-2025-1372

OESA-2025-1409

OESA-2025-1410

OPENSUSE-SU-2025_01620-1

OPENSUSE-SU-2025_01627-1

OPENSUSE-SU-2025_01633-1

OPENSUSE-SU-2025_01640-1

OPENSUSE-SU-2025_1177-1

OPENSUSE-SU-2025_1178-1

OPENSUSE-SU-2025_1180-1

RHSA-2025:20095

RHSA-2025:3127

RHSA-2025:3128

RHSA-2025:3207

RHSA-2025:3208

RHSA-2025:3209

RHSA-2025:3211

RHSA-2025:3212

RHSA-2025:3213

RHSA-2025:3214

RHSA-2025:3215

RHSA-2025:3216

RHSA-2025:3260

RHSA-2025:3264

RHSA-2025_3208

RHSA-2025_3260

RHSA-2025_3264

SUSE-SU-2025:01620-1

SUSE-SU-2025:01627-1

SUSE-SU-2025:01633-1

SUSE-SU-2025:01640-1

SUSE-SU-2025:01919-1

SUSE-SU-2025:1177-1

SUSE-SU-2025:1178-1

SUSE-SU-2025:1180-1

SUSE-SU-2025:1293-1

SUSE-SU-2025:1573-1

SUSE-SU-2025:1574-1

SUSE-SU-2025:20190-1

SUSE-SU-2025:20192-1

SUSE-SU-2025:20260-1

SUSE-SU-2025:20270-1

SUSE-SU-2025_01620-1

SUSE-SU-2025_01627-1

SUSE-SU-2025_01633-1

SUSE-SU-2025_1177-1

SUSE-SU-2025_1178-1

SUSE-SU-2025_1180-1

SUSE-SU-2025_1293-1

USN-7510-1

USN-7510-2

USN-7510-3

USN-7510-4

USN-7510-5

USN-7510-6

USN-7510-7

USN-7510-8

USN-7511-1

USN-7511-2

USN-7511-3

USN-7512-1

USN-7516-1

USN-7516-2

USN-7516-3

USN-7516-4

USN-7516-5

USN-7516-6

USN-7516-7

USN-7516-8

USN-7516-9

USN-7517-1

USN-7517-2

USN-7517-3

USN-7518-1

USN-7521-1

USN-7521-2

USN-7521-3

USN-7539-1

USN-7540-1

USN-7593-1

USN-7602-1

USN-7640-1

USN-7703-1

USN-7703-2

USN-7703-3

USN-7703-4

USN-7719-1

USN-7737-1

Affected Products

Alt Linux

Almalinux

Astra Linux

Centos

Debian

Linuxmint

Linux Kernel

Red Hat

Red Os

Rocky Linux

Suse

Ubuntu

References · 2684

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21785.json · Exploit
• https://ubuntu.com/security/CVE-2024-53161 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-52332 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-57910 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-35958 · Vendor Advisory
• https://osv.dev/vulnerability/USN-7510-4 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-21726 · Security Note
• https://ubuntu.com/security/CVE-2025-21864 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-53101 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-21739 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-58080 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-21674 · Security Note
• https://osv.dev/vulnerability/USN-7516-4 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-49395 · Security Note
• https://ubuntu.com/security/CVE-2025-23138 · Vendor Advisory