CVE-2022-50258 wifi: brcmfmac: Fix potential stack-out-of-bounds in brcmf_c_preinit_dcmds()

🗓️ 15 Sep 2025 14:02:43Reported by LinuxType

Fix stack out-of-bounds read in brcmfmac by null-terminating the buffer before strsep in brcmf_c_preinit_dcmds.

Reporter	Title	Published	Views	Family All 84
AstraLinux	Astra Linux - уязвимость в linux-5.10, linux, linux-5.15	20 May 202605:53	–	astralinux
CloudLinux	kernel: Fix of 39 CVEs	20 Jan 202612:06	–	cloudlinux
CNNVD	Linux kernel 安全漏洞	15 Sep 202500:00	–	cnnvd
CVE	CVE-2022-50258	15 Sep 202514:02	–	cve
Debian CVE	CVE-2022-50258	15 Sep 202514:02	–	debiancve
EUVD	EUVD-2022-55494	3 Oct 202520:07	–	euvd
NVD	CVE-2022-50258	15 Sep 202514:15	–	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-2025:03626-1)	20 Oct 202500:00	–	openvas

[
  {
    "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/common.c"
    ],
    "versions": [
      {
        "version": "0af29bf7c1ddf5f3c35577409de46ede5e8d7845",
        "lessThan": "89243a7b0ea19606ba1c2873c9d569026ccb344f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0af29bf7c1ddf5f3c35577409de46ede5e8d7845",
        "lessThan": "d481fd6064bf215d7c5068e15aa390c3b16c9cd0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0af29bf7c1ddf5f3c35577409de46ede5e8d7845",
        "lessThan": "17dbe90e13f52848c460d253f15b765038ec6dc0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0af29bf7c1ddf5f3c35577409de46ede5e8d7845",
        "lessThan": "d6ef66194bb4a6c18f5b9649bf62597909b040e4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0af29bf7c1ddf5f3c35577409de46ede5e8d7845",
        "lessThan": "3a3a5e3f94068cd562d62a57da6983c8cd07d53c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0af29bf7c1ddf5f3c35577409de46ede5e8d7845",
        "lessThan": "881f50d76c3892262730ddf5c894eb00310e736c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0af29bf7c1ddf5f3c35577409de46ede5e8d7845",
        "lessThan": "ba166e0ebdde3dfa833f0a3edaf2b2934d4a87f7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0af29bf7c1ddf5f3c35577409de46ede5e8d7845",
        "lessThan": "0a06cadcc2a0044e4a117cc0e61436fc3a0dad69",
        "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/common.c"
    ],
    "versions": [
      {
        "version": "3.8",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.8",
        "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"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/d6ef66194bb4a6c18f5b9649bf62597909b040e4
git	www.git.kernel.org/stable/c/3a3a5e3f94068cd562d62a57da6983c8cd07d53c
git	www.git.kernel.org/stable/c/d481fd6064bf215d7c5068e15aa390c3b16c9cd0
git	www.git.kernel.org/stable/c/ba166e0ebdde3dfa833f0a3edaf2b2934d4a87f7
git	www.git.kernel.org/stable/c/0a06cadcc2a0044e4a117cc0e61436fc3a0dad69
git	www.git.kernel.org/stable/c/17dbe90e13f52848c460d253f15b765038ec6dc0
git	www.git.kernel.org/stable/c/89243a7b0ea19606ba1c2873c9d569026ccb344f
git	www.git.kernel.org/stable/c/881f50d76c3892262730ddf5c894eb00310e736c

11 May 2026 19:15Current

EPSS0.00017