CVE-2022-50476

🗓️ 04 Oct 2025 15:16:36Reported by LinuxType

CVE 2022 50476: ntb network device now frees socket buffers in interrupt context to fix kernel warnings and improve performance.

Reporter	Title	Published	Views	Family All 21
AstraLinux	Astra Linux – Vulnerability in Linux 5.10, Linux	20 May 202605:53	–	astralinux
BDU FSTEC	The vulnerability of the functions ntb_netdev_rx_handler() and ntb_netdev_tx_handler() in the drivers/net/ntb_netdev.c module of the Linux kernel’s network device driver, which allows a hacker to cause a service failure.	25 Aug 202600:00	–	bdu_fstec
CNNVD	Linux kernel 安全漏洞	4 Oct 202500:00	–	cnnvd
Cvelist	CVE-2022-50476 ntb_netdev: Use dev_kfree_skb_any() in interrupt context	4 Oct 202515:16	–	cvelist
Debian CVE	CVE-2022-50476	4 Oct 202515:16	–	debiancve
NVD	CVE-2022-50476	4 Oct 202516:15	–	nvd
OSV	CLSA-2026-1778756832 kernel: Fix of 40 CVEs	14 May 202619:27	–	osv
OSV	CLSA-2026-1778757276 kernel: Fix of 40 CVEs	14 May 202618:35	–	osv
OSV	CLSA-2026-1778759582 kernel: Fix of 40 CVEs	14 May 202619:26	–	osv
OSV	CLSA-2026-1778787063 kernel: Fix of 122 CVEs	15 May 202607:56	–	osv

NVD

Vulners

CNA

Node

linux linux_kernelRange3.9–4.9.337

linux linux_kernelRange4.10–4.14.303

linux linux_kernelRange4.15–4.19.270

linux linux_kernelRange4.20–5.4.229

linux linux_kernelRange5.5–5.10.163

linux linux_kernelRange5.11–5.15.86

linux linux_kernelRange5.16–6.0.16

linux linux_kernelRange6.1–6.1.2

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/ntb_netdev.c"
    ],
    "versions": [
      {
        "version": "548c237c0a9972df5d1afaca38aa733ee577128d",
        "lessThan": "d4460c82177899751975180c268f352893302221",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "548c237c0a9972df5d1afaca38aa733ee577128d",
        "lessThan": "dd860b39aa7c7b82e6c99b6fdb99d4610ce49d67",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "548c237c0a9972df5d1afaca38aa733ee577128d",
        "lessThan": "8b78493968ed3cef0326183ed059c55e42f24d5b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "548c237c0a9972df5d1afaca38aa733ee577128d",
        "lessThan": "a6b9e09403102bdf8402dae734800e4916c7ea58",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "548c237c0a9972df5d1afaca38aa733ee577128d",
        "lessThan": "13286ad1c7c49c606fdcba4cf66f953a1a16c1ca",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "548c237c0a9972df5d1afaca38aa733ee577128d",
        "lessThan": "21296a52caa6a6bad6debdfe40ad81d4f1a27e69",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "548c237c0a9972df5d1afaca38aa733ee577128d",
        "lessThan": "14d245da57a11e80277ab455aa9b6dcc5ed38a19",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "548c237c0a9972df5d1afaca38aa733ee577128d",
        "lessThan": "07e28a8f450217db679802ebd4de0915556ce846",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "548c237c0a9972df5d1afaca38aa733ee577128d",
        "lessThan": "5f7d78b2b12a9d561f48fa00bab29b40f4616dad",
        "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/ntb_netdev.c"
    ],
    "versions": [
      {
        "version": "3.9",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.9",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.9.337",
        "lessThanOrEqual": "4.9.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.14.303",
        "lessThanOrEqual": "4.14.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.19.270",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.229",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.163",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.86",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.0.16",
        "lessThanOrEqual": "6.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.2",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/d4460c82177899751975180c268f352893302221
git	www.git.kernel.org/stable/c/21296a52caa6a6bad6debdfe40ad81d4f1a27e69
git	www.git.kernel.org/stable/c/8b78493968ed3cef0326183ed059c55e42f24d5b
git	www.git.kernel.org/stable/c/5f7d78b2b12a9d561f48fa00bab29b40f4616dad
git	www.git.kernel.org/stable/c/13286ad1c7c49c606fdcba4cf66f953a1a16c1ca
git	www.git.kernel.org/stable/c/14d245da57a11e80277ab455aa9b6dcc5ed38a19
git	www.git.kernel.org/stable/c/07e28a8f450217db679802ebd4de0915556ce846
git	www.git.kernel.org/stable/c/dd860b39aa7c7b82e6c99b6fdb99d4610ce49d67
git	www.git.kernel.org/stable/c/a6b9e09403102bdf8402dae734800e4916c7ea58

17 Jun 2026 05:23Current

6.1Medium risk

Vulners AI Score6.1

CVSS 3.15.5

EPSS0.00149

CWE-401