CVE-2026-52943

🗓️ 24 Jun 2026 09:00:12Reported by LinuxType

Kernel fix: pskb_carve helpers copy zerocopy data without ref, causing use-after-free.

Reporter	Title	Published	Views	Family All 5
ATTACKERKB	CVE-2026-52943	24 Jun 202609:00	–	attackerkb
Cvelist	CVE-2026-52943 net: skbuff: fix missing zerocopy reference in pskb_carve helpers	24 Jun 202609:00	–	cvelist
EUVD	EUVD-2026-38732	24 Jun 202612:30	–	euvd
NVD	CVE-2026-52943	24 Jun 202610:17	–	nvd
Positive Technologies	PT-2026-51758	24 Jun 202600:00	–	ptsecurity

Vulners

CNA

Node

linux linux_kernelRange4.7–5.10.259

linux linux_kernelRange5.11.0–5.15.210

linux linux_kernelRange5.16.0–6.1.176

linux linux_kernelRange6.2.0–6.6.143

linux linux_kernelRange6.7.0–6.12.93

linux linux_kernelRange6.13.0–6.18.35

linux linux_kernelRange6.19.0–7.0.12

linux linux_kernelRange7.1.0≥

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/core/skbuff.c"
    ],
    "versions": [
      {
        "version": "6fa01ccd883021105e9f8af7d04b9f156fa3494a",
        "lessThan": "8dbed691e43a50903658130bde0fcb5abc425b37",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6fa01ccd883021105e9f8af7d04b9f156fa3494a",
        "lessThan": "9b40bdc2a3298225dffab8158208a0d8c6300578",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6fa01ccd883021105e9f8af7d04b9f156fa3494a",
        "lessThan": "fd470f0a97b8e9a125f520265d2f3b088ffb5b8a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6fa01ccd883021105e9f8af7d04b9f156fa3494a",
        "lessThan": "ceafb893b12f23331dcc5ff9587e643c3a40ee9f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6fa01ccd883021105e9f8af7d04b9f156fa3494a",
        "lessThan": "2e0e74c59b2761a414d9f48d7bee1e45220b2427",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6fa01ccd883021105e9f8af7d04b9f156fa3494a",
        "lessThan": "96a4713ae041cc85e712bac682cd2e644004d6c6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6fa01ccd883021105e9f8af7d04b9f156fa3494a",
        "lessThan": "474d6c771d798bca84f0a140b611e36743511e18",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6fa01ccd883021105e9f8af7d04b9f156fa3494a",
        "lessThan": "98d0912e9f841e5529a5b89a972805f34cb1c69d",
        "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/core/skbuff.c"
    ],
    "versions": [
      {
        "version": "4.7",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.7",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.259",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.210",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.176",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.143",
        "lessThanOrEqual": "6.6.*",
        "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",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/2e0e74c59b2761a414d9f48d7bee1e45220b2427
git	www.git.kernel.org/stable/c/9b40bdc2a3298225dffab8158208a0d8c6300578
git	www.git.kernel.org/stable/c/fd470f0a97b8e9a125f520265d2f3b088ffb5b8a
git	www.git.kernel.org/stable/c/ceafb893b12f23331dcc5ff9587e643c3a40ee9f
git	www.git.kernel.org/stable/c/96a4713ae041cc85e712bac682cd2e644004d6c6
git	www.git.kernel.org/stable/c/98d0912e9f841e5529a5b89a972805f34cb1c69d
git	www.git.kernel.org/stable/c/8dbed691e43a50903658130bde0fcb5abc425b37
git	www.git.kernel.org/stable/c/474d6c771d798bca84f0a140b611e36743511e18

24 Jun 2026 10:17Current

5.9Medium risk

Vulners AI Score5.9