CVE-2026-31583

🗓️ 24 Apr 2026 14:42:12Reported by LinuxType

Fix use-after-free in em28xx_v4l2_open by locking before reading dev->v4l2 and NULL check.

Reporter	Title	Published	Views	Family All 103
ATTACKERKB	CVE-2026-31583	24 Apr 202614:42	–	attackerkb
CBLMariner	CVE-2026-31583 affecting package kernel for versions less than 6.6.137.1-1	3 May 202620:52	–	cbl_mariner
Chainguard	CVE-2026-31583 vulnerabilities	1 May 202619:17	–	cgr
Circl	CVE-2026-31583	2 Jul 202605:48	–	circl
CNNVD	Linux kernel 安全漏洞	24 Apr 202600:00	–	cnnvd
Cvelist	CVE-2026-31583 media: em28xx: fix use-after-free in em28xx_v4l2_open()	24 Apr 202614:42	–	cvelist
Debian	[SECURITY] [DLA 4664-1] linux security update	3 Jul 202615:51	–	debian
Debian	[SECURITY] [DLA 4665-1] linux security update	3 Jul 202618:38	–	debian
Debian	[SECURITY] [DLA 4671-1] linux-6.1 security update	5 Jul 202618:24	–	debian
Debian	[SECURITY] [DSA 6238-1] linux security update	30 Apr 202620:05	–	debian

NVD

Vulners

CNA

Node

linux linux_kernelRange<6.6.136

linux linux_kernelRange6.12–6.12.83

linux linux_kernelRange6.13–6.18.24

linux linux_kernelRange6.19–6.19.14

linux linux_kernelRange7.0–7.0.1

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/media/usb/em28xx/em28xx-video.c"
    ],
    "versions": [
      {
        "version": "8139a4d583abad45eb987b5a99b3281b6d435b7e",
        "lessThan": "3c0283a59e36e3707c4a81f4952e362d31f876b8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8139a4d583abad45eb987b5a99b3281b6d435b7e",
        "lessThan": "2cbf81f76842e46bdf25823c70e1db4044a65678",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8139a4d583abad45eb987b5a99b3281b6d435b7e",
        "lessThan": "38a327221f7f765e7d853b7bafe47e342441ec85",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8139a4d583abad45eb987b5a99b3281b6d435b7e",
        "lessThan": "b5d141ea15f173f15b9f0a72965902f3428c0d92",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8139a4d583abad45eb987b5a99b3281b6d435b7e",
        "lessThan": "5fb2940327722b4684d2f964b54c1c90aa277324",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8139a4d583abad45eb987b5a99b3281b6d435b7e",
        "lessThan": "871b8ea8ef39a6c253594649f4339378fad3d0dd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8139a4d583abad45eb987b5a99b3281b6d435b7e",
        "lessThan": "6b9e66437cc6123ddedac141e1b8b6fcf57d2972",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8139a4d583abad45eb987b5a99b3281b6d435b7e",
        "lessThan": "dd2b888e08d3b3d6aacd65d76cd44fac11da750f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8139a4d583abad45eb987b5a99b3281b6d435b7e",
        "lessThan": "a66485a934c7187ae8e36517d40615fa2e961cff",
        "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/media/usb/em28xx/em28xx-video.c"
    ],
    "versions": [
      {
        "version": "3.16",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.16",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.258",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.209",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.175",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.136",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.83",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.24",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.14",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.1",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/5fb2940327722b4684d2f964b54c1c90aa277324
git	www.git.kernel.org/stable/c/38a327221f7f765e7d853b7bafe47e342441ec85
git	www.git.kernel.org/stable/c/871b8ea8ef39a6c253594649f4339378fad3d0dd
git	www.git.kernel.org/stable/c/3c0283a59e36e3707c4a81f4952e362d31f876b8
git	www.git.kernel.org/stable/c/2cbf81f76842e46bdf25823c70e1db4044a65678
git	www.git.kernel.org/stable/c/a66485a934c7187ae8e36517d40615fa2e961cff
git	www.git.kernel.org/stable/c/dd2b888e08d3b3d6aacd65d76cd44fac11da750f
git	www.git.kernel.org/stable/c/b5d141ea15f173f15b9f0a72965902f3428c0d92
git	www.git.kernel.org/stable/c/6b9e66437cc6123ddedac141e1b8b6fcf57d2972

17 Jun 2026 10:34Current

5.5Medium risk

Vulners AI Score5.5

CVSS 3.17.8

EPSS0.00128

CWE-416