CVE-2022-50840

🗓️ 30 Dec 2025 12:10:59Reported by LinuxType

Fix use-after-free in snic_tgt_create by removing tgt from the list before freeing when device_add fails.

Reporter	Title	Published	Views	Family All 42
AstraLinux	Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15	14 Sep 202612:01	–	astralinux
BDU FSTEC	Linux SCSI snic_tgt_create() Buffer Overflow	25 Mar 202600:00	–	bdu_fstec
CNNVD	Linux Kernel Security Vulnerabilities	30 Dec 202500:00	–	cnnvd
Cvelist	CVE-2022-50840 scsi: snic: Fix possible UAF in snic_tgt_create()	30 Dec 202512:10	–	cvelist
Debian CVE	CVE-2022-50840	30 Dec 202512:10	–	debiancve
EUVD	EUVD-2022-55858	30 Dec 202515:30	–	euvd
NVD	CVE-2022-50840	30 Dec 202513:15	–	nvd
OpenVAS	SUSE: Security Advisory (SUSE-SU-2026:0316-1)	30 Jan 202600:00	–	openvas
OpenVAS	SUSE: Security Advisory (SUSE-SU-2026:0317-1)	2 Feb 202600:00	–	openvas
OpenVAS	SUSE: Security Advisory (SUSE-SU-2026:0617-1)	26 Feb 202600:00	–	openvas

Vulners

CNA

Node

linux linux_kernelRange4.2–4.9.337

linux linux_kernelRange4.10.0–4.14.303

linux linux_kernelRange4.15.0–4.19.270

linux linux_kernelRange4.20.0–5.4.229

linux linux_kernelRange5.5.0–5.10.163

linux linux_kernelRange5.11.0–5.15.86

linux linux_kernelRange5.16.0–6.0.16

linux linux_kernelRange6.1.0–6.1.2

linux linux_kernelRange6.2.0≥

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/scsi/snic/snic_disc.c"
    ],
    "versions": [
      {
        "version": "c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa",
        "lessThan": "f9d8b8ba0f1a16cde0b1fc9e80466df76b6db8ff",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa",
        "lessThan": "3772319e40527e6a5f2ec1d729e01f271d818f5c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa",
        "lessThan": "3007f96ca20c848d0b1b052df6d2cb5ae5586e78",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa",
        "lessThan": "6866154c23fba40888ad6d554cccd4bf2edb755e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa",
        "lessThan": "ad27f74e901fc48729733c88818e6b96c813057d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa",
        "lessThan": "1895e908b3ae66a5312fd1b2cdda2da82993dca7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa",
        "lessThan": "c7f0f8dab1ae5def57c1a8a9cafd6fabe1dc27cc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa",
        "lessThan": "4141cd9e8b3379aea52a85d2c35f6eaf26d14e86",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa",
        "lessThan": "e118df492320176af94deec000ae034cc92be754",
        "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/scsi/snic/snic_disc.c"
    ],
    "versions": [
      {
        "version": "4.2",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.2",
        "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/f9d8b8ba0f1a16cde0b1fc9e80466df76b6db8ff
git	www.git.kernel.org/stable/c/ad27f74e901fc48729733c88818e6b96c813057d
git	www.git.kernel.org/stable/c/1895e908b3ae66a5312fd1b2cdda2da82993dca7
git	www.git.kernel.org/stable/c/3772319e40527e6a5f2ec1d729e01f271d818f5c
git	www.git.kernel.org/stable/c/e118df492320176af94deec000ae034cc92be754
git	www.git.kernel.org/stable/c/6866154c23fba40888ad6d554cccd4bf2edb755e
git	www.git.kernel.org/stable/c/c7f0f8dab1ae5def57c1a8a9cafd6fabe1dc27cc
git	www.git.kernel.org/stable/c/3007f96ca20c848d0b1b052df6d2cb5ae5586e78
git	www.git.kernel.org/stable/c/4141cd9e8b3379aea52a85d2c35f6eaf26d14e86

17 Jun 2026 05:24Current

6.4Medium risk

Vulners AI Score6.4

EPSS0.00284