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CVE-2022-50321 wifi: brcmfmac: fix potential memory leak in brcmf_netdev_start_xmit()

🗓️ 15 Sep 2025 14:48:54Reported by LinuxType 
cvelist
 cvelist🔗 www.cve.org👁 4 Views

CVE-2022-50321: fix memory leak in brcmfmac_netdev_start_xmit by freeing the packet on expansion failure; compile tested.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
AstraLinux		Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15
19 Jun 202611:10
–astralinux
BDU FSTEC		The vulnerability in the function brcmf_netdev_start_xmit() of the drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c driver for Broadcom wireless adapter drivers in the Linux operating system, which allows a hacker to cause a service failure.
25 Mar 202600:00
–bdu_fstec
CNNVD		Linux kernel 安全漏洞
15 Sep 202500:00
–cnnvd
CVE		CVE-2022-50321
15 Sep 202514:48
–cve
Debian CVE		CVE-2022-50321
15 Sep 202514:48
–debiancve
EUVD		EUVD-2022-55534
3 Oct 202520:07
–euvd
NVD		CVE-2022-50321
15 Sep 202515:15
–nvd
OpenVAS		SUSE: Security Advisory (SUSE-SU-2025:03614-1)
20 Oct 202500:00
–openvas
OpenVAS		SUSE: Security Advisory (SUSE-SU-2025:03615-1)
20 Oct 202500:00
–openvas
OpenVAS		SUSE: Security Advisory (SUSE-SU-2025:03628-1)
20 Oct 202500:00
–openvas
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c"
    ],
    "versions": [
      {
        "version": "270a6c1f65fe68a28a5d39cd405592c550b496c7",
        "lessThan": "4c55fdebc1c358de96bfab52ed309d58a3ba66ef",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "270a6c1f65fe68a28a5d39cd405592c550b496c7",
        "lessThan": "e5d01e85cf46628647cd696cb72ba4659b18967f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "270a6c1f65fe68a28a5d39cd405592c550b496c7",
        "lessThan": "d869a189505224601e310c7769cb90b0e2f60b31",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "270a6c1f65fe68a28a5d39cd405592c550b496c7",
        "lessThan": "e08e6812efb6a8c676e733de0518594d1517e0d9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "270a6c1f65fe68a28a5d39cd405592c550b496c7",
        "lessThan": "e8ef89e5b89ee041a94eecfb6c31fcc237f9168c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "270a6c1f65fe68a28a5d39cd405592c550b496c7",
        "lessThan": "7f159116d620615779adbf88a5d94713702216d8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "270a6c1f65fe68a28a5d39cd405592c550b496c7",
        "lessThan": "3a4d18318f473e97d628f410215b3fac32d07aed",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "270a6c1f65fe68a28a5d39cd405592c550b496c7",
        "lessThan": "212fde3fe76e962598ce1d47b97cc78afdfc71b3",
        "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/wireless/broadcom/brcm80211/brcmfmac/core.c"
    ],
    "versions": [
      {
        "version": "4.13",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.13",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.14.308",
        "lessThanOrEqual": "4.14.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.19.276",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.235",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.173",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.99",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.16",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.2.3",
        "lessThanOrEqual": "6.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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11 May 2026 19:17Current
EPSS0.00146
linux kernelbrcmfmac drivermemory leakfree packet bufferhead expansion failure
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