CVE-2022-50481

🗓️ 04 Oct 2025 15:16:40Reported by LinuxType

CXL: fixes null pointer dereference in cxl_guest_init_afu|adapter() if device_register() fails.

Reporter	Title	Published	Views	Family All 21
AstraLinux	Astra Linux – Vulnerability in Linux 5.10, Linux	20 May 202605:53	–	astralinux
CNNVD	Linux kernel 安全漏洞	4 Oct 202500:00	–	cnnvd
Cvelist	CVE-2022-50481 cxl: fix possible null-ptr-deref in cxl_guest_init_afu\|adapter()	4 Oct 202515:16	–	cvelist
Debian CVE	CVE-2022-50481	4 Oct 202515:16	–	debiancve
NVD	CVE-2022-50481	4 Oct 202516:15	–	nvd
OpenVAS	SUSE: Security Advisory (SUSE-SU-2025:4189-1)	26 Nov 202500:00	–	openvas
OSV	DEBIAN-CVE-2022-50481	4 Oct 202516:15	–	osv
OSV	SUSE-SU-2025:4189-1 Security update for the Linux Kernel	24 Nov 202509:18	–	osv
OSV	UBUNTU-CVE-2022-50481	4 Oct 202516:15	–	osv
Tenable Nessus	Photon OS 4.0: Linux PHSA-2021-4.0-0065	22 Jul 202100:00	–	nessus

NVD

Vulners

CNA

Node

linux linux_kernelRange4.6–4.9.337

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/misc/cxl/guest.c"
    ],
    "versions": [
      {
        "version": "14baf4d9c739e6e69150512d2eb23c71fffcc192",
        "lessThan": "96fba6fb95bdede80583c262ac185da09661f264",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "14baf4d9c739e6e69150512d2eb23c71fffcc192",
        "lessThan": "1ae581696b7a799afa39a664c4b721569643f58a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "14baf4d9c739e6e69150512d2eb23c71fffcc192",
        "lessThan": "d775a1da5a52b4f4bb02f2707ba420d1bec48dbb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "14baf4d9c739e6e69150512d2eb23c71fffcc192",
        "lessThan": "60b2ed21a65f3f5318666ccd765c3507991370cf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "14baf4d9c739e6e69150512d2eb23c71fffcc192",
        "lessThan": "170e8c2d2b61e15e7f7cfeded81bc1e959a15ed8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "14baf4d9c739e6e69150512d2eb23c71fffcc192",
        "lessThan": "e5021bbf11b024cc65ea1e84c377df484183be4b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "14baf4d9c739e6e69150512d2eb23c71fffcc192",
        "lessThan": "b32559ee4e6667c5c3daf4ec5454c277d1f255d2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "14baf4d9c739e6e69150512d2eb23c71fffcc192",
        "lessThan": "ab44c182353be101c3be9465e1d15d42130c53c4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "14baf4d9c739e6e69150512d2eb23c71fffcc192",
        "lessThan": "61c80d1c3833e196256fb060382db94f24d3d9a7",
        "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/guest.c"
    ],
    "versions": [
      {
        "version": "4.6",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.6",
        "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/ab44c182353be101c3be9465e1d15d42130c53c4
git	www.git.kernel.org/stable/c/e5021bbf11b024cc65ea1e84c377df484183be4b
git	www.git.kernel.org/stable/c/60b2ed21a65f3f5318666ccd765c3507991370cf
git	www.git.kernel.org/stable/c/b32559ee4e6667c5c3daf4ec5454c277d1f255d2
git	www.git.kernel.org/stable/c/61c80d1c3833e196256fb060382db94f24d3d9a7
git	www.git.kernel.org/stable/c/1ae581696b7a799afa39a664c4b721569643f58a
git	www.git.kernel.org/stable/c/170e8c2d2b61e15e7f7cfeded81bc1e959a15ed8
git	www.git.kernel.org/stable/c/d775a1da5a52b4f4bb02f2707ba420d1bec48dbb
git	www.git.kernel.org/stable/c/96fba6fb95bdede80583c262ac185da09661f264

17 Jun 2026 05:23Current

6.1Medium risk

Vulners AI Score6.1

CVSS 3.15.5

EPSS0.00149

CWE-476