CVE-2026-80742

🗓️ 03 Sep 2026 08:26:25Reported by LinuxType

Linux af_packet tpacket_snd() sends zero-byte packets triggering WARNING in __dev_queue_xmit().

Reporter	Title	Published	Views	Family All 19
Tenable Nessus	Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2026-2143)	14 Sep 202600:00	–	nessus
Tenable Nessus	Debian dla-4777 : ata-modules-6.1.0-52-armmp-di - security update	8 Sep 202600:00	–	nessus
Tenable Nessus	Oracle Linux 8 / 9 : Unbreakable Enterprise kernel (ELSA-2026-500249)	4 Sep 202600:00	–	nessus
Tenable Nessus	Linux Distros Unpatched Vulnerability : CVE-2026-80742	4 Sep 202600:00	–	nessus
Cvelist	CVE-2026-80742 af_packet: Don't send zero-byte data in tpacket_snd().	3 Sep 202608:26	–	cvelist
Debian	[SECURITY] [DLA 4777-1] linux security update	8 Sep 202616:49	–	debian
Debian	[SECURITY] [DLA 4788-1] linux-6.12 security update	19 Sep 202620:44	–	debian
Debian CVE	CVE-2026-80742	3 Sep 202608:26	–	debiancve
Oracle linux	Unbreakable Enterprise kernel security update	4 Sep 202600:00	–	oraclelinux
EUVD	EUVD-2026-70346	3 Sep 202608:26	–	euvd

Vulners

CNA

Node

linux linux_kernelRange2.6.12–5.10.266

linux linux_kernelRange5.11.0–5.15.217

linux linux_kernelRange5.16.0–6.1.184

linux linux_kernelRange6.2.0–6.6.153

linux linux_kernelRange6.7.0–6.12.105

linux linux_kernelRange6.13.0–6.18.46

linux linux_kernelRange6.19.0–7.1.10

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/packet/af_packet.c"
    ],
    "versions": [
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "dde212f8622f5cb36223fff1ebd6e6f2a3dc61fe",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "80a702964467b998d254f16cc61c2c9a20540c9d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "7521e691c7c4f2231634c95053281ac888d1f452",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "1fc70b3d513bafb16b17540178870ef46e81c0bb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "3fa110f9e2ea96f567f2194c673c4bc327640111",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "98c5914d6b7bd4b4675535908e57dea31f1efd6a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "f09ac5682f1bb67981fcb6ead4d3cfe439225876",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "6bcd76c134c55c697148acb5c0194e9666abdf84",
        "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/packet/af_packet.c"
    ],
    "versions": [
      {
        "version": "2.6.12",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.12",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.266",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.217",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.184",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.153",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.105",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.46",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.10",
        "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/7521e691c7c4f2231634c95053281ac888d1f452
git	www.git.kernel.org/stable/c/3fa110f9e2ea96f567f2194c673c4bc327640111
git	www.git.kernel.org/stable/c/1fc70b3d513bafb16b17540178870ef46e81c0bb
git	www.git.kernel.org/stable/c/dde212f8622f5cb36223fff1ebd6e6f2a3dc61fe
git	www.git.kernel.org/stable/c/80a702964467b998d254f16cc61c2c9a20540c9d
git	www.git.kernel.org/stable/c/98c5914d6b7bd4b4675535908e57dea31f1efd6a
git	www.git.kernel.org/stable/c/6bcd76c134c55c697148acb5c0194e9666abdf84
git	www.git.kernel.org/stable/c/f09ac5682f1bb67981fcb6ead4d3cfe439225876

03 Sep 2026 13:06Current

6Medium risk

Vulners AI Score6

EPSS0.00177