CVE-2026-45846 bareudp: fix NULL pointer dereference in bareudp_fill_metadata_dst()

🗓️ 27 May 2026 09:24:52Reported by LinuxType

Fix NULL pointer dereference in bareudp_fill_metadata_dst by checking sock and returning -ESHUTDOWN.

Reporter	Title	Published	Views	Family All 55
ATTACKERKB	CVE-2026-45846	27 May 202609:24	–	attackerkb
Circl	CVE-2026-45846	27 May 202613:22	–	circl
CNNVD	Linux kernel 安全漏洞	27 May 202600:00	–	cnnvd
CVE	CVE-2026-45846	27 May 202609:24	–	cve
Debian CVE	CVE-2026-45846	27 May 202609:24	–	debiancve
EUVD	EUVD-2026-32172	27 May 202609:24	–	euvd
Microsoft CVE	bareudp: fix NULL pointer dereference in bareudp_fill_metadata_dst()	28 May 202608:06	–	mscve
NVD	CVE-2026-45846	27 May 202611:16	–	nvd
OPENSUSE Linux	kernel-devel-7.0.11-1.1 on GA media (moderate)	8 Jun 202600:00	–	opensuse
OSV	BELL-CVE-2026-45846	28 May 202606:10	–	osv

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/bareudp.c"
    ],
    "versions": [
      {
        "version": "571912c69f0ed731bd1e071ade9dc7ca4aa52065",
        "lessThan": "31e010a106ff6cd8ccac4bfee547fd3fa1015574",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "571912c69f0ed731bd1e071ade9dc7ca4aa52065",
        "lessThan": "55193df8d6d33318435f19572bf5ea47a22eee28",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "571912c69f0ed731bd1e071ade9dc7ca4aa52065",
        "lessThan": "51eef9c072aa3405a6823a96ae666d38a3b48750",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "571912c69f0ed731bd1e071ade9dc7ca4aa52065",
        "lessThan": "a0f4e4e8e0f5e24ddd83e3d1221732621cf34636",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "571912c69f0ed731bd1e071ade9dc7ca4aa52065",
        "lessThan": "35a115a204be08f97450b0389413e218268ef4a2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "571912c69f0ed731bd1e071ade9dc7ca4aa52065",
        "lessThan": "74a02921c48fcd35a7881956c9e5c52b86595f5d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "571912c69f0ed731bd1e071ade9dc7ca4aa52065",
        "lessThan": "638905520fc4fae6a80991563f264131545ba3df",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "571912c69f0ed731bd1e071ade9dc7ca4aa52065",
        "lessThan": "aa6c6d9ee064aabfede4402fd1283424e649ca19",
        "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/bareudp.c"
    ],
    "versions": [
      {
        "version": "5.7",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.7",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.258",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.209",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.175",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.141",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.91",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.33",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.10",
        "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/a0f4e4e8e0f5e24ddd83e3d1221732621cf34636
git	www.git.kernel.org/stable/c/51eef9c072aa3405a6823a96ae666d38a3b48750
git	www.git.kernel.org/stable/c/74a02921c48fcd35a7881956c9e5c52b86595f5d
git	www.git.kernel.org/stable/c/638905520fc4fae6a80991563f264131545ba3df
git	www.git.kernel.org/stable/c/35a115a204be08f97450b0389413e218268ef4a2
git	www.git.kernel.org/stable/c/31e010a106ff6cd8ccac4bfee547fd3fa1015574
git	www.git.kernel.org/stable/c/aa6c6d9ee064aabfede4402fd1283424e649ca19
git	www.git.kernel.org/stable/c/55193df8d6d33318435f19572bf5ea47a22eee28

14 Jun 2026 17:46Current

EPSS0.00165