CVE-2026-74312

🗓️ 15 Aug 2026 05:58:11Reported by LinuxType

Linux kernel vhost/vdpa lacks virtqueue index bounds check in mmap and fault paths, enabling OOB access and DoS.

Reporter	Title	Published	Views	Family All 16
Cvelist	CVE-2026-74312 vhost/vdpa: validate virtqueue index in mmap and fault paths	15 Aug 202605:58	–	cvelist
Debian CVE	CVE-2026-74312	15 Aug 202605:58	–	debiancve
Oracle linux	Unbreakable Enterprise kernel security update	4 Sep 202600:00	–	oraclelinux
EUVD	EUVD-2026-59459	15 Aug 202605:58	–	euvd
NVD	CVE-2026-74312	15 Aug 202606:22	–	nvd
OSV	BELL-CVE-2026-74312	18 Aug 202606:06	–	osv
OSV	DEBIAN-CVE-2026-74312	15 Aug 202606:22	–	osv
OSV	UBUNTU-CVE-2026-74312	15 Aug 202606:22	–	osv
Tenable Nessus	Photon OS 5.0: Linux PHSA-2026-5.0-92-0952	12 Aug 202600:00	–	nessus
Tenable Nessus	Unity Linux 20.1050e Security Update: kernel (UTSA-2026-104538)	26 Aug 202600:00	–	nessus

Vulners

CNA

Node

linux linux_kernelRange5.8–5.10.261

linux linux_kernelRange5.11.0–5.15.212

linux linux_kernelRange5.16.0–6.1.178

linux linux_kernelRange6.2.0–6.6.145

linux linux_kernelRange6.7.0–6.12.97

linux linux_kernelRange6.13.0–6.18.40

linux linux_kernelRange6.19.0–7.1.5

linux linux_kernelRange7.2.0≥

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/vhost/vdpa.c"
    ],
    "versions": [
      {
        "version": "ddd89d0a059d8e9740c75a97e0efe9bf07ee51f9",
        "lessThan": "0f310bac6db9bd3bb1655707d692d9d2a86eeb17",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ddd89d0a059d8e9740c75a97e0efe9bf07ee51f9",
        "lessThan": "4bf5a51963ff816f7443702dc536b9327cf5e550",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ddd89d0a059d8e9740c75a97e0efe9bf07ee51f9",
        "lessThan": "55a644031e610ea93fbde2702c7b8f267476552f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ddd89d0a059d8e9740c75a97e0efe9bf07ee51f9",
        "lessThan": "2b3f79b90b231a682315fe2191bb71925650e183",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ddd89d0a059d8e9740c75a97e0efe9bf07ee51f9",
        "lessThan": "bbba4f92515238d76018e9b75e41b16d83df52c8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ddd89d0a059d8e9740c75a97e0efe9bf07ee51f9",
        "lessThan": "1f5f94c6c6b2e4eaa5b45815509e21d0c6cfa81e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ddd89d0a059d8e9740c75a97e0efe9bf07ee51f9",
        "lessThan": "32ac9097aa2463fcfc12f61cc4a9ebc3579cba7d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ddd89d0a059d8e9740c75a97e0efe9bf07ee51f9",
        "lessThan": "929e4f044621c8cc30b612fb74e1410bef09e41b",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/vhost/vdpa.c"
    ],
    "versions": [
      {
        "version": "5.8",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.8",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.261",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.212",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.178",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.145",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.97",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.40",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.5",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/0f310bac6db9bd3bb1655707d692d9d2a86eeb17
git	www.git.kernel.org/stable/c/bbba4f92515238d76018e9b75e41b16d83df52c8
git	www.git.kernel.org/stable/c/55a644031e610ea93fbde2702c7b8f267476552f
git	www.git.kernel.org/stable/c/929e4f044621c8cc30b612fb74e1410bef09e41b
git	www.git.kernel.org/stable/c/1f5f94c6c6b2e4eaa5b45815509e21d0c6cfa81e
git	www.git.kernel.org/stable/c/32ac9097aa2463fcfc12f61cc4a9ebc3579cba7d
git	www.git.kernel.org/stable/c/2b3f79b90b231a682315fe2191bb71925650e183
git	www.git.kernel.org/stable/c/4bf5a51963ff816f7443702dc536b9327cf5e550

17 Aug 2026 06:19Current

5.4Medium risk

Vulners AI Score5.4

CVSS 3.17.8

EPSS0.00129