CVE-2026-74693

🗓️ 22 Aug 2026 15:32:56Reported by LinuxType

Linux kernel prestera driver out-of-bounds read of firmware header due to missing length check.

Reporter	Title	Published	Views	Family All 14
Cvelist	CVE-2026-74693 net: prestera: validate firmware header length	22 Aug 202615:32	–	cvelist
Debian	[SECURITY] [DSA 6466-1] linux security update	25 Aug 202620:09	–	debian
Debian CVE	CVE-2026-74693	22 Aug 202615:32	–	debiancve
Tenable Nessus	Debian dsa-6466 : ata-modules-6.12.101+deb13-armmp-di - security update	25 Aug 202600:00	–	nessus
Tenable Nessus	Linux Distros Unpatched Vulnerability : CVE-2026-74693	22 Aug 202600:00	–	nessus
EUVD	EUVD-2026-64380	22 Aug 202615:32	–	euvd
NVD	CVE-2026-74693	22 Aug 202616:16	–	nvd
OSV	BELL-CVE-2026-74693	27 Aug 202606:10	–	osv
OSV	DEBIAN-CVE-2026-74693	22 Aug 202616:16	–	osv
OSV	UBUNTU-CVE-2026-74693	22 Aug 202616:16	–	osv

Vulners

CNA

Node

linux linux_kernelRange5.10–5.10.265

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": [
      "drivers/net/ethernet/marvell/prestera/prestera_pci.c"
    ],
    "versions": [
      {
        "version": "4c2703dfd7fabb0824b3bc345f9fa47e33248c14",
        "lessThan": "38a3afbf9fd8a2e8c47fa3ca47b425a8a9623240",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4c2703dfd7fabb0824b3bc345f9fa47e33248c14",
        "lessThan": "0fbcceb9d19f2d1dcdf099aee590f2517cb718bb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4c2703dfd7fabb0824b3bc345f9fa47e33248c14",
        "lessThan": "e0f382e8084117f0b11ffb070fe1079e38c0d7f9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4c2703dfd7fabb0824b3bc345f9fa47e33248c14",
        "lessThan": "6fad06bb793d7089ae05b9fcf46e11be2dfe4850",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4c2703dfd7fabb0824b3bc345f9fa47e33248c14",
        "lessThan": "470ac9cce7308e60cf2dceb448749cdd006e73de",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4c2703dfd7fabb0824b3bc345f9fa47e33248c14",
        "lessThan": "363e048a9d0a6c245cbc348c8a220170afed046a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4c2703dfd7fabb0824b3bc345f9fa47e33248c14",
        "lessThan": "7fa8a12296d8d5aa4b1c3904f0b354d81124cf29",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4c2703dfd7fabb0824b3bc345f9fa47e33248c14",
        "lessThan": "8ae344eb540af3f457179b52bc6061416752485c",
        "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/net/ethernet/marvell/prestera/prestera_pci.c"
    ],
    "versions": [
      {
        "version": "5.10",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.10",
        "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/6fad06bb793d7089ae05b9fcf46e11be2dfe4850
git	www.git.kernel.org/stable/c/470ac9cce7308e60cf2dceb448749cdd006e73de
git	www.git.kernel.org/stable/c/7fa8a12296d8d5aa4b1c3904f0b354d81124cf29
git	www.git.kernel.org/stable/c/0fbcceb9d19f2d1dcdf099aee590f2517cb718bb
git	www.git.kernel.org/stable/c/e0f382e8084117f0b11ffb070fe1079e38c0d7f9
git	www.git.kernel.org/stable/c/38a3afbf9fd8a2e8c47fa3ca47b425a8a9623240
git	www.git.kernel.org/stable/c/363e048a9d0a6c245cbc348c8a220170afed046a
git	www.git.kernel.org/stable/c/8ae344eb540af3f457179b52bc6061416752485c

22 Aug 2026 16:16Current

5.4Medium risk

Vulners AI Score5.4

EPSS0.00177