CVE-2026-74694

🗓️ 22 Aug 2026 15:32:57Reported by LinuxType

Heap OOB read in Linux kernel NCSI leaking up to 64KB kernel heap via crafted payload length.

Reporter	Title	Published	Views	Family All 7
Cvelist	CVE-2026-74694 net/ncsi: fix heap OOB read in NCSI_CMD_SEND_CMD payload length	22 Aug 202615:32	–	cvelist
Debian CVE	CVE-2026-74694	22 Aug 202615:32	–	debiancve
EUVD	EUVD-2026-64381	22 Aug 202615:32	–	euvd
NVD	CVE-2026-74694	22 Aug 202616:16	–	nvd
OSV	DEBIAN-CVE-2026-74694	22 Aug 202616:16	–	osv
Positive Technologies	PT-2026-79699	22 Aug 202600:00	–	ptsecurity
SUSE CVE	SUSE CVE-2026-74694	23 Aug 202600:04	–	susecve

Vulners

CNA

Node

linux linux_kernelRange4.20–5.10.265

linux linux_kernelRange5.11.0–5.15.216

linux linux_kernelRange5.16.0–6.1.183

linux linux_kernelRange6.2.0–6.6.152

linux linux_kernelRange6.7.0–6.12.104

linux linux_kernelRange6.13.0–6.18.45

linux linux_kernelRange6.19.0–7.1.9

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": [
      "net/ncsi/ncsi-netlink.c"
    ],
    "versions": [
      {
        "version": "9771b8ccdfa6dcb1ac5128ca7fe8649f3092d392",
        "lessThan": "e60afa01d35f8b2671b27ca93309921427144cce",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9771b8ccdfa6dcb1ac5128ca7fe8649f3092d392",
        "lessThan": "67c72b8ef63d9d9a610546fda30b116638f39745",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9771b8ccdfa6dcb1ac5128ca7fe8649f3092d392",
        "lessThan": "4489b4a17892750131e4bef4bc1d3d703c8fb5ba",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9771b8ccdfa6dcb1ac5128ca7fe8649f3092d392",
        "lessThan": "43c7d0a6917751ea898ae584d00f24f5deac46d4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9771b8ccdfa6dcb1ac5128ca7fe8649f3092d392",
        "lessThan": "b5231ad0b376b801ab8cf2962b182cc29deaedb3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9771b8ccdfa6dcb1ac5128ca7fe8649f3092d392",
        "lessThan": "02226af69362758046822840fc6a497f5de33f00",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9771b8ccdfa6dcb1ac5128ca7fe8649f3092d392",
        "lessThan": "3a60b5af75abe8e3494ccd074fb4ae6e601a3e55",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9771b8ccdfa6dcb1ac5128ca7fe8649f3092d392",
        "lessThan": "afa58b7384913c8773d837acdb07b035690ec5d2",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/ncsi/ncsi-netlink.c"
    ],
    "versions": [
      {
        "version": "4.20",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.20",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.265",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.216",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.183",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.152",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.104",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.45",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.9",
        "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/4489b4a17892750131e4bef4bc1d3d703c8fb5ba
git	www.git.kernel.org/stable/c/43c7d0a6917751ea898ae584d00f24f5deac46d4
git	www.git.kernel.org/stable/c/afa58b7384913c8773d837acdb07b035690ec5d2
git	www.git.kernel.org/stable/c/67c72b8ef63d9d9a610546fda30b116638f39745
git	www.git.kernel.org/stable/c/02226af69362758046822840fc6a497f5de33f00
git	www.git.kernel.org/stable/c/b5231ad0b376b801ab8cf2962b182cc29deaedb3
git	www.git.kernel.org/stable/c/e60afa01d35f8b2671b27ca93309921427144cce
git	www.git.kernel.org/stable/c/3a60b5af75abe8e3494ccd074fb4ae6e601a3e55

22 Aug 2026 16:16Current

5.9Medium risk

Vulners AI Score5.9