CVE-2026-64541

🗓️ 27 Jul 2026 20:10:34Reported by LinuxType

CVE-2026-64541: fix UAF in smc_cdc_rx_handler by pinning the socket under conns_lock.

Reporter	Title	Published	Views	Family All 8
Cvelist	CVE-2026-64541 net/smc: fix UAF in smc_cdc_rx_handler() by pinning the socket	27 Jul 202620:10	–	cvelist
Debian CVE	CVE-2026-64541	27 Jul 202620:10	–	debiancve
EUVD	EUVD-2026-49592	27 Jul 202620:10	–	euvd
NVD	CVE-2026-64541	27 Jul 202621:17	–	nvd
OSV	CVE-2026-64541 net/smc: fix UAF in smc_cdc_rx_handler() by pinning the socket	27 Jul 202620:10	–	osv
OSV	DEBIAN-CVE-2026-64541	27 Jul 202621:17	–	osv
OSV	UBUNTU-CVE-2026-64541	28 Jul 202600:00	–	osv
Positive Technologies	PT-2026-65216	27 Jul 202600:00	–	ptsecurity

Vulners

CNA

Node

linux linux_kernelRange4.18–5.10.261

linux linux_kernelRange5.11.0–5.15.212

linux linux_kernelRange5.16.0–6.1.178

linux linux_kernelRange6.2.0–6.6.145

linux linux_kernelRange6.7.0–6.12.97

linux linux_kernelRange6.13.0–6.18.40

linux linux_kernelRange6.19.0–7.1.5

linux linux_kernelRange7.2.0–7.2-rc3

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/smc/smc_cdc.c"
    ],
    "versions": [
      {
        "version": "d7b0e37c1ac152905b18a5b9506179091a35b0b6",
        "lessThan": "8de4f665d0febfb92803dece377791a563fc7041",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d7b0e37c1ac152905b18a5b9506179091a35b0b6",
        "lessThan": "8145b432136285e01091815b48ceb2dae261f262",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d7b0e37c1ac152905b18a5b9506179091a35b0b6",
        "lessThan": "1951bffbc6493ec34cff3956b29d4bc6606904a6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d7b0e37c1ac152905b18a5b9506179091a35b0b6",
        "lessThan": "647b19e5cc145a2f1f685ae8ff3805a17356888c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d7b0e37c1ac152905b18a5b9506179091a35b0b6",
        "lessThan": "472e9d7c0d5b03be3ff91ff941f57da822b031bc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d7b0e37c1ac152905b18a5b9506179091a35b0b6",
        "lessThan": "3bfb96d9bc6a7ed0b99c7db329cc2e22a28d84bb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d7b0e37c1ac152905b18a5b9506179091a35b0b6",
        "lessThan": "ce5aa8084329351086894aa34d77e40301d5bd3d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d7b0e37c1ac152905b18a5b9506179091a35b0b6",
        "lessThan": "9d160b35cc34a2ba8229d07651468a7848325135",
        "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/smc/smc_cdc.c"
    ],
    "versions": [
      {
        "version": "4.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.18",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.261",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.212",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.178",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.145",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.97",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.40",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.5",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/ce5aa8084329351086894aa34d77e40301d5bd3d
git	www.git.kernel.org/stable/c/3bfb96d9bc6a7ed0b99c7db329cc2e22a28d84bb
git	www.git.kernel.org/stable/c/8145b432136285e01091815b48ceb2dae261f262
git	www.git.kernel.org/stable/c/472e9d7c0d5b03be3ff91ff941f57da822b031bc
git	www.git.kernel.org/stable/c/1951bffbc6493ec34cff3956b29d4bc6606904a6
git	www.git.kernel.org/stable/c/647b19e5cc145a2f1f685ae8ff3805a17356888c
git	www.git.kernel.org/stable/c/9d160b35cc34a2ba8229d07651468a7848325135
git	www.git.kernel.org/stable/c/8de4f665d0febfb92803dece377791a563fc7041

27 Jul 2026 21:17Current

5.7Medium risk

Vulners AI Score5.7