Lucene search
+L

CVE-2026-99186 x86/insn-eval: Fix shadowed segment index in get_seg_reg_override_idx()

🗓️ 28 Oct 2026 10:35:44Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 4 Views

Shadowed segment index in Linux kernel x86/insn-eval causes DoS via CPU tie-up.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-99186
28 Oct 202610:35
–cve
euvd
EUVD
EUVD-2026-111938
28 Oct 202610:35
–euvd
nvd
NVD
CVE-2026-99186
28 Oct 202611:17
–nvd
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/x86/include/asm/insn.h",
      "tools/arch/x86/include/asm/insn.h"
    ],
    "versions": [
      {
        "version": "45e1dccc0653c50e377dae57ef086a8d0f71061d",
        "lessThan": "0efe927053f7eabd1e8658cbda96ee3d78bd1765",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "45e1dccc0653c50e377dae57ef086a8d0f71061d",
        "lessThan": "32c52ec87d6245ee2d12ed5dd509e40062939b50",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/x86/include/asm/insn.h",
      "tools/arch/x86/include/asm/insn.h"
    ],
    "versions": [
      {
        "version": "6.19",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.19",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.13",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3",
        "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