CVE-2022-50421

🗓️ 01 Oct 2025 11:41:54Reported by LinuxType

Fix double destroy of the default endpoint in the rpmsg character device to prevent use after free.

Reporter	Title	Published	Views	Family All 19
AstraLinux	Astra Linux - уязвимость в linux-5.10	20 May 202605:53	–	astralinux
BDU FSTEC	The vulnerability of the `rpmsg_chrdev_eptdev_destroy()` function in the drivers/rpmsg/rpmsg_char.c module of the Linux kernel allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.	26 Mar 202600:00	–	bdu_fstec
CNNVD	Linux kernel 安全漏洞	1 Oct 202500:00	–	cnnvd
Cvelist	CVE-2022-50421 rpmsg: char: Avoid double destroy of default endpoint	1 Oct 202511:41	–	cvelist
Debian CVE	CVE-2022-50421	1 Oct 202511:41	–	debiancve
EUVD	EUVD-2025-32003	3 Oct 202520:07	–	euvd
NVD	CVE-2022-50421	1 Oct 202512:15	–	nvd
OSV	CVE-2022-50421 rpmsg: char: Avoid double destroy of default endpoint	1 Oct 202511:41	–	osv
OSV	DEBIAN-CVE-2022-50421	1 Oct 202512:15	–	osv
OSV	RHSA-2025:6966 Red Hat Security Advisory: kernel security update	14 May 202510:05	–	osv

NVD

Vulners

CNA

Node

linux linux_kernelRange5.18–5.19.17

linux linux_kernelRange6.0–6.0.3

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/rpmsg/rpmsg_char.c"
    ],
    "versions": [
      {
        "version": "bea9b79c2d10fecf7bfa26e212ecefe61d232e39",
        "lessThan": "ef828a39d6a7028836eaf37df3ad568c8c2dd6f9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bea9b79c2d10fecf7bfa26e212ecefe61d232e39",
        "lessThan": "3f20ef7a845c2c8d7ec82ecffa20d95cab5ecfeb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bea9b79c2d10fecf7bfa26e212ecefe61d232e39",
        "lessThan": "467233a4ac29b215d492843d067a9f091e6bf0c5",
        "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/rpmsg/rpmsg_char.c"
    ],
    "versions": [
      {
        "version": "5.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.18",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.19.17",
        "lessThanOrEqual": "5.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.0.3",
        "lessThanOrEqual": "6.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/467233a4ac29b215d492843d067a9f091e6bf0c5
git	www.git.kernel.org/stable/c/3f20ef7a845c2c8d7ec82ecffa20d95cab5ecfeb
git	www.git.kernel.org/stable/c/ef828a39d6a7028836eaf37df3ad568c8c2dd6f9

17 Jun 2026 05:23Current

6.1Medium risk

Vulners AI Score6.1

CVSS 3.17.8

EPSS0.00147

SSVC

CWE-416