CVE-2022-50244 cxl: fix possible null-ptr-deref in cxl_pci_init_afu|adapter()

🗓️ 15 Sep 2025 14:02:01Reported by LinuxType

CVE-2022-50244: Fix null pointer dereference in cxl_pci_init_afu|adapter() by using put_device() in error path.

Reporter	Title	Published	Views	Family All 30
AstraLinux	Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10	19 Jun 202611:10	–	astralinux
BDU FSTEC	The vulnerabilities of the functions pci_init_afu() and cxl_pci_init_adapter() in the drivers/misc/cxl/pci.c module of the Linux kernel allow a hacker to cause a service failure.	29 Apr 202600:00	–	bdu_fstec
CNNVD	Linux kernel 安全漏洞	15 Sep 202500:00	–	cnnvd
CVE	CVE-2022-50244	15 Sep 202514:02	–	cve
Debian CVE	CVE-2022-50244	15 Sep 202514:02	–	debiancve
EUVD	EUVD-2022-55508	3 Oct 202520:07	–	euvd
NVD	CVE-2022-50244	15 Sep 202514:15	–	nvd
OpenVAS	SUSE: Security Advisory (SUSE-SU-2025:03614-1)	20 Oct 202500:00	–	openvas
OSV	CVE-2022-50244 cxl: fix possible null-ptr-deref in cxl_pci_init_afu\|adapter()	15 Sep 202514:02	–	osv
OSV	DEBIAN-CVE-2022-50244	15 Sep 202514:15	–	osv

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/misc/cxl/pci.c"
    ],
    "versions": [
      {
        "version": "f204e0b8cedd7da1dfcfd05ed6b7692737e24029",
        "lessThan": "82e68432668ae75b4c814d160f6987ecb0681273",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f204e0b8cedd7da1dfcfd05ed6b7692737e24029",
        "lessThan": "82e5481428faf11c79b9c094dd24a1849bbf64ac",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f204e0b8cedd7da1dfcfd05ed6b7692737e24029",
        "lessThan": "c4b2e35df919d99bbbed033c2fa0b607f9f463b5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f204e0b8cedd7da1dfcfd05ed6b7692737e24029",
        "lessThan": "361412dae1690d4b5df6f92fc943cdc773c95cbc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f204e0b8cedd7da1dfcfd05ed6b7692737e24029",
        "lessThan": "0f63c0ddc2ea20d783d29243f4dbe0f9e95dfdec",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f204e0b8cedd7da1dfcfd05ed6b7692737e24029",
        "lessThan": "22511eefa61db26e12c97dd7ada3071dbdfcb004",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f204e0b8cedd7da1dfcfd05ed6b7692737e24029",
        "lessThan": "139abd4c626a6f7ce02789ed5f73aa2256e0542b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f204e0b8cedd7da1dfcfd05ed6b7692737e24029",
        "lessThan": "2f5fd31b2f24b9b8a80ab566fd8c4e1e94cb4339",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f204e0b8cedd7da1dfcfd05ed6b7692737e24029",
        "lessThan": "02cd3032b154fa02fdf90e7467abaeed889330b2",
        "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/misc/cxl/pci.c"
    ],
    "versions": [
      {
        "version": "3.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.18",
        "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/82e68432668ae75b4c814d160f6987ecb0681273
git	www.git.kernel.org/stable/c/2f5fd31b2f24b9b8a80ab566fd8c4e1e94cb4339
git	www.git.kernel.org/stable/c/22511eefa61db26e12c97dd7ada3071dbdfcb004
git	www.git.kernel.org/stable/c/139abd4c626a6f7ce02789ed5f73aa2256e0542b
git	www.git.kernel.org/stable/c/02cd3032b154fa02fdf90e7467abaeed889330b2
git	www.git.kernel.org/stable/c/82e5481428faf11c79b9c094dd24a1849bbf64ac
git	www.git.kernel.org/stable/c/c4b2e35df919d99bbbed033c2fa0b607f9f463b5
git	www.git.kernel.org/stable/c/0f63c0ddc2ea20d783d29243f4dbe0f9e95dfdec
git	www.git.kernel.org/stable/c/361412dae1690d4b5df6f92fc943cdc773c95cbc

11 May 2026 19:15Current

EPSS0.00149