Lucene search
+L

CVE-2025-39802 lib/crypto: arm/poly1305: Fix register corruption in no-SIMD contexts

🗓️ 15 Sep 2025 12:36:44Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 19 Views

Restore SIMD usability check for arm poly1305 to prevent register corruption and ensure correct MACs; use may_use_simd().

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "lib/crypto/arm/poly1305-glue.c"
    ],
    "versions": [
      {
        "version": "773426f4771bdd82ac5c834bf4c1775315c73a46",
        "lessThan": "87bdfba903be7084cb3ee04032b14a81181fe413",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "773426f4771bdd82ac5c834bf4c1775315c73a46",
        "lessThan": "52c3e242f4d0043186b70d65460ba1767f27494a",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "lib/crypto/arm/poly1305-glue.c"
    ],
    "versions": [
      {
        "version": "6.16",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.16",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.16.4",
        "lessThanOrEqual": "6.16.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.17",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

05 Aug 2026 12:05Current
CVSS 3.17.5
EPSS0.00246
19