CVE-2026-46321

🗓️ 09 Jun 2026 12:11:13Reported by LinuxType

Kernel fix frees allocated page on short-frame rejection in tun_xdp_one to prevent page leaks with vhost net.

Reporter	Title	Published	Views	Family All 6
Circl	CVE-2026-46321	9 Jun 202613:59	–	circl
Cvelist	CVE-2026-46321 tun: free page on short-frame rejection in tun_xdp_one()	9 Jun 202612:11	–	cvelist
Debian CVE	CVE-2026-46321	9 Jun 202612:11	–	debiancve
EUVD	EUVD-2026-35411	9 Jun 202615:32	–	euvd
NVD	CVE-2026-46321	9 Jun 202613:16	–	nvd
Positive Technologies	PT-2026-47758	9 Jun 202600:00	–	ptsecurity

Vulners

CNA

Node

linux linux_kernelRange5.4.281–5.5

linux linux_kernelRange5.10.223–5.11

linux linux_kernelRange5.15.164–5.16

linux linux_kernelRange6.1.102–6.2

linux linux_kernelRange6.6.43–6.7

linux linux_kernelRange6.9.12–6.10

linux linux_kernelRange6.10.2–6.11

linux linux_kernelRange6.11–6.12.93

linux linux_kernelRange6.13.0–6.18.35

linux linux_kernelRange6.19.0–7.0.12

linux linux_kernelRange7.1.0–7.1-rc6

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/tun.c"
    ],
    "versions": [
      {
        "version": "049584807f1d797fc3078b68035450a9769eb5c3",
        "lessThan": "69863ff2720a0e9871f1a5710f2a33a94217fee0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "049584807f1d797fc3078b68035450a9769eb5c3",
        "lessThan": "37a1c268c2c8090bf4dc552d732bd23ba36f8eb0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "049584807f1d797fc3078b68035450a9769eb5c3",
        "lessThan": "98c67be9eb9de72465a071949e84a3cdb8fab5a3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "049584807f1d797fc3078b68035450a9769eb5c3",
        "lessThan": "f4feb1e20058e407cb00f45aff47f5b7e19a6bbf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "32b0aaba5dbc85816898167d9b5d45a22eae82e9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6100e0237204890269e3f934acfc50d35fd6f319",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "589382f50b4a5d90d16d8bc9dcbc0e927a3e39b2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ad6b3f622ccfb4bfedfa53b6ebd91c3d1d04f146",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d5ad89b7d01ed4e66fd04734fc63d6e78536692a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a9d1c27e2ee3b0ea5d40c105d6e728fc114470bb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8418f55302fa1d2eeb73e16e345167e545c598a5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5.4.281",
        "lessThan": "5.5",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.10.223",
        "lessThan": "5.11",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.15.164",
        "lessThan": "5.16",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.1.102",
        "lessThan": "6.2",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.6.43",
        "lessThan": "6.7",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.9.12",
        "lessThan": "6.10",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.10.2",
        "lessThan": "6.11",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/tun.c"
    ],
    "versions": [
      {
        "version": "6.11",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.11",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.93",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.35",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.12",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1-rc6",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/37a1c268c2c8090bf4dc552d732bd23ba36f8eb0
git	www.git.kernel.org/stable/c/69863ff2720a0e9871f1a5710f2a33a94217fee0
git	www.git.kernel.org/stable/c/98c67be9eb9de72465a071949e84a3cdb8fab5a3
git	www.git.kernel.org/stable/c/f4feb1e20058e407cb00f45aff47f5b7e19a6bbf

09 Jun 2026 13:16Current

5.4Medium risk

Vulners AI Score5.4