Lucene search
K

CVE-2026-46063

🗓️ 27 May 2026 12:57:27Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 25 Views

CVE-2026-46063 fixes deadlock in x86 shadow stack during sigreturn by avoiding mmap lock and using speculative checks.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-46063
27 May 202612:57
attackerkb
CBLMariner
CVE-2026-46063 affecting package kernel for versions less than 6.6.141.1-1
22 Jun 202621:21
cbl_mariner
CNNVD
Linux kernel 安全漏洞
27 May 202600:00
cnnvd
Cvelist
CVE-2026-46063 x86/shstk: Prevent deadlock during shstk sigreturn
27 May 202612:57
cvelist
Debian CVE
CVE-2026-46063
27 May 202612:57
debiancve
EUVD
EUVD-2026-32445
27 May 202612:57
euvd
Microsoft CVE
x86/shstk: Prevent deadlock during shstk sigreturn
28 May 202608:10
mscve
NVD
CVE-2026-46063
27 May 202614:17
nvd
OPENSUSE Linux
kernel-devel-7.0.11-1.1 on GA media (moderate)
8 Jun 202600:00
opensuse
OSV
BELL-CVE-2026-46063
28 May 202606:10
osv
Rows per page
NVD
Vulners
CNA
Node
linuxlinux_kernelRange6.66.6.140
OR
linuxlinux_kernelRange6.76.12.88
OR
linuxlinux_kernelRange6.136.18.27
OR
linuxlinux_kernelRange6.197.0.4
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/x86/Kconfig",
      "arch/x86/kernel/shstk.c"
    ],
    "versions": [
      {
        "version": "7fad2a432cd35bbf104d2d9d426e74902f22aa95",
        "lessThan": "e2c2b044458cbf22da05264fa707308e8d4f86f9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7fad2a432cd35bbf104d2d9d426e74902f22aa95",
        "lessThan": "d042d69b417515959e49021fef008c9b04a99bd5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7fad2a432cd35bbf104d2d9d426e74902f22aa95",
        "lessThan": "4f3374c990fb2adec06d20fd6d780927811c9aa0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7fad2a432cd35bbf104d2d9d426e74902f22aa95",
        "lessThan": "3d29db827502067626062f5c74dd502d14ab15bc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7fad2a432cd35bbf104d2d9d426e74902f22aa95",
        "lessThan": "9874b2917b9fbc30956fee209d3c4aa47201c64e",
        "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/Kconfig",
      "arch/x86/kernel/shstk.c"
    ],
    "versions": [
      {
        "version": "6.6",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.6",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.140",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.88",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.27",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.4",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "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

17 Jun 2026 10:53Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.5
EPSS0.00094
25