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CVE-2025-40300

🗓️ 11 Sep 2025 16:49:24Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 38 Views

Linux kernel adds conditional indirect branch barrier after VM exits to protect userspace.

Related
Detection
Affected
Refs
NVD
Vulners
CNA
Node
linuxlinux_kernelRange3.16.573.17
OR
linuxlinux_kernelRange4.4.1684.5
OR
linuxlinux_kernelRange4.165.10.244
OR
linuxlinux_kernelRange5.115.15.193
OR
linuxlinux_kernelRange5.166.1.152
OR
linuxlinux_kernelRange6.26.6.106
OR
linuxlinux_kernelRange6.76.12.47
OR
linuxlinux_kernelRange6.136.16.7
OR
linuxlinux_kernelMatch6.17rc1
OR
linuxlinux_kernelMatch6.17rc2
OR
linuxlinux_kernelMatch6.17rc3
OR
linuxlinux_kernelMatch6.17rc4
OR
linuxlinux_kernelMatch6.17rc5
Node
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/x86/include/asm/cpufeatures.h",
      "arch/x86/include/asm/entry-common.h",
      "arch/x86/include/asm/nospec-branch.h",
      "arch/x86/kernel/cpu/bugs.c",
      "arch/x86/kvm/x86.c"
    ],
    "versions": [
      {
        "version": "15d45071523d89b3fb7372e2135fbd72f6af9506",
        "lessThan": "ac60717f9a8d21c58617d0b34274babf24135835",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "15d45071523d89b3fb7372e2135fbd72f6af9506",
        "lessThan": "c08192b5d6730a914dee6175bc71092ee6a65f14",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "15d45071523d89b3fb7372e2135fbd72f6af9506",
        "lessThan": "d5490dfa35427a2967e00a4c7a1b95fdbc8ede34",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "15d45071523d89b3fb7372e2135fbd72f6af9506",
        "lessThan": "2f4f2f8f860cb4c3336a7435ebe8dcfded0c9c6e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "15d45071523d89b3fb7372e2135fbd72f6af9506",
        "lessThan": "15006289e5c38b2a830e1fba221977a27598176c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "15d45071523d89b3fb7372e2135fbd72f6af9506",
        "lessThan": "893387c18612bb452336a5881da0d015a7e8f4a2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "15d45071523d89b3fb7372e2135fbd72f6af9506",
        "lessThan": "f866eef8d1c65504d30923c3f14082ad294d0e6d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "15d45071523d89b3fb7372e2135fbd72f6af9506",
        "lessThan": "34e5667041050711a947e260fc9ebebe08bddee5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "15d45071523d89b3fb7372e2135fbd72f6af9506",
        "lessThan": "d7ddc93392e4a7ffcccc86edf6ef3e64c778db52",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "15d45071523d89b3fb7372e2135fbd72f6af9506",
        "lessThan": "459274c77b37ac63b78c928b4b4e748d1f9d05c8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "15d45071523d89b3fb7372e2135fbd72f6af9506",
        "lessThan": "510603f504796c3535f67f55fb0b124a303b44c8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "15d45071523d89b3fb7372e2135fbd72f6af9506",
        "lessThan": "9c23a90648e831d611152ac08dbcd1283d405e7f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "15d45071523d89b3fb7372e2135fbd72f6af9506",
        "lessThan": "2f8f173413f1cbf52660d04df92d0069c4306d25",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c51f1e5f57cca88d8d5894b6fad1638f643a99d0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4b3870c343a82cd2df7192cc5149c87205dcc611",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3.16.57",
        "lessThan": "3.17",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "4.4.168",
        "lessThan": "4.5",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/x86/include/asm/cpufeatures.h",
      "arch/x86/include/asm/entry-common.h",
      "arch/x86/include/asm/nospec-branch.h",
      "arch/x86/kernel/cpu/bugs.c",
      "arch/x86/kvm/x86.c"
    ],
    "versions": [
      {
        "version": "4.16",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.16",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.244",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.193",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.152",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.106",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.47",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.16.7",
        "lessThanOrEqual": "6.16.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.17",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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23 May 2026 16:02Current
6Medium risk
Vulners AI Score6
CVSS 3.15.5
EPSS0.00035
38