CVE-2026-46174

🗓️ 28 May 2026 09:36:28Reported by LinuxType

Fixed improper isolation of shared resources in AMD Zen2 op cache to prevent instruction corruption.

Reporter	Title	Published	Views	Family All 24
ATTACKERKB	CVE-2026-46174	28 May 202609:36	–	attackerkb
CBLMariner	CVE-2026-46174 affecting package kernel for versions less than 6.6.139.1-1	20 May 202600:24	–	cbl_mariner
Circl	CVE-2026-46174	29 May 202614:40	–	circl
CNNVD	Linux kernel 安全漏洞	28 May 202600:00	–	cnnvd
Cvelist	CVE-2026-46174 x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache	28 May 202609:36	–	cvelist
Debian	[SECURITY] [DLA 4606-1] linux security update	29 May 202616:36	–	debian
Debian	[SECURITY] [DLA 4607-1] linux-6.1 security update	29 May 202616:39	–	debian
Debian	[SECURITY] [DSA 6306-1] linux security update	28 May 202613:39	–	debian
Debian CVE	CVE-2026-46174	28 May 202609:36	–	debiancve
Tenable Nessus	Debian dla-4606 : ata-modules-5.10.0-43-armmp-di - security update	3 Jun 202600:00	–	nessus

Vulners

CNA

Node

linux linux_kernelRange3.16.58–3.17

linux linux_kernelRange4.4.144–4.5

linux linux_kernelRange4.9.102–4.10

linux linux_kernelRange4.14–5.10.256

linux linux_kernelRange5.11.0–5.15.207

linux linux_kernelRange5.16.0–6.1.173

linux linux_kernelRange6.2.0–6.6.139

linux linux_kernelRange6.7.0–6.12.88

linux linux_kernelRange6.13.0–6.18.30

linux linux_kernelRange6.19.0–7.0.7

linux linux_kernelRange7.1.0–7.1-rc4

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/x86/include/asm/msr-index.h",
      "arch/x86/kernel/cpu/amd.c",
      "tools/arch/x86/include/asm/msr-index.h"
    ],
    "versions": [
      {
        "version": "f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9",
        "lessThan": "1e23b30a80b14e5764657401ee2cca030525ae8e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9",
        "lessThan": "f5bc3aef7df46eaaf423d7413ab8833f704ae576",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9",
        "lessThan": "251497955f2314cd39d43191e81c6151dead4c7b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9",
        "lessThan": "ff6fc65b3bf73acc5ee71919154d830ad5431362",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9",
        "lessThan": "9109489cc8c34e50d15575a3d1ff82af586bc1aa",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9",
        "lessThan": "28f5ed477eef166d678d6966762cbc1de9b4f436",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9",
        "lessThan": "1cd85a19748b2407830376a5cbae5c0f126016e5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9",
        "lessThan": "c21b90f77687075115d989e53a8ec5e2bb427ab1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5abd1583e06b3963e5c9d915760367de86808b78",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4ba461d426490b6ed7e8298c4d3b7a13aa5d2686",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5a63725cd18fcee2af6ec46ccb856b64ad3077b4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3.16.58",
        "lessThan": "3.17",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "4.4.144",
        "lessThan": "4.5",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "4.9.102",
        "lessThan": "4.10",
        "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/msr-index.h",
      "arch/x86/kernel/cpu/amd.c",
      "tools/arch/x86/include/asm/msr-index.h"
    ],
    "versions": [
      {
        "version": "4.14",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.14",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.256",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.207",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.173",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.139",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.88",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.30",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.7",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1-rc4",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/1e23b30a80b14e5764657401ee2cca030525ae8e
git	www.git.kernel.org/stable/c/ff6fc65b3bf73acc5ee71919154d830ad5431362
git	www.git.kernel.org/stable/c/9109489cc8c34e50d15575a3d1ff82af586bc1aa
git	www.git.kernel.org/stable/c/28f5ed477eef166d678d6966762cbc1de9b4f436
git	www.git.kernel.org/stable/c/251497955f2314cd39d43191e81c6151dead4c7b
git	www.git.kernel.org/stable/c/1cd85a19748b2407830376a5cbae5c0f126016e5
git	www.git.kernel.org/stable/c/c21b90f77687075115d989e53a8ec5e2bb427ab1
git	www.git.kernel.org/stable/c/f5bc3aef7df46eaaf423d7413ab8833f704ae576

30 May 2026 11:17Current

5.8Medium risk

Vulners AI Score5.8

CVSS 3.18.8

EPSS0.00012