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CVE-2026-23236 fbdev: smscufx: properly copy ioctl memory to kernelspace

🗓️ 04 Mar 2026 14:36:40Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 28 Views

Fixed UFX_IOCTL_REPORT_DAMAGE by copying userspace data to kernelspace before access.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-23236
4 Mar 202614:36
attackerkb
CBLMariner
CVE-2026-23236 affecting package kernel for versions less than 6.6.130.1-1
30 Mar 202616:12
cbl_mariner
CBLMariner
CVE-2026-23236 affecting package kernel for versions less than 5.15.202.1-1
14 Apr 202618:44
cbl_mariner
Circl
CVE-2026-23236
4 Mar 202616:36
circl
CNNVD
Linux kernel 安全漏洞
4 Mar 202600:00
cnnvd
CVE
CVE-2026-23236
4 Mar 202614:36
cve
Debian
[SECURITY] [DLA 4498-1] linux security update
13 Mar 202613:13
debian
Debian
[SECURITY] [DLA 4499-1] linux-6.1 security update
13 Mar 202613:14
debian
Debian
[SECURITY] [DSA 6162-1] linux security update
12 Mar 202621:41
debian
Debian
[SECURITY] [DSA 6163-1] linux security update
12 Mar 202621:31
debian
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/video/fbdev/smscufx.c"
    ],
    "versions": [
      {
        "version": "3c8a63e22a0802fd56380f6ab305b419f18eb6f5",
        "lessThan": "061cfeb560aa3ddc174153dbe5be9d0b55eb7248",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3c8a63e22a0802fd56380f6ab305b419f18eb6f5",
        "lessThan": "6167af934f956d3ae1e06d61f45cd0d1004bbe1a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3c8a63e22a0802fd56380f6ab305b419f18eb6f5",
        "lessThan": "a0321e6e58facb39fe191caa0e52ed9aab6a48fe",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3c8a63e22a0802fd56380f6ab305b419f18eb6f5",
        "lessThan": "0634e8d650993602fc5b389ff7ac525f6542e141",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3c8a63e22a0802fd56380f6ab305b419f18eb6f5",
        "lessThan": "52917e265aa5f848212f60fc50fc504d8ef12866",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3c8a63e22a0802fd56380f6ab305b419f18eb6f5",
        "lessThan": "1c008ad0f0d1c1523902b9cdb08e404129677bfc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3c8a63e22a0802fd56380f6ab305b419f18eb6f5",
        "lessThan": "f1e91bd4efeae48b0f42caed7e8ce2e3a0d05b02",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3c8a63e22a0802fd56380f6ab305b419f18eb6f5",
        "lessThan": "120adae7b42faa641179270c067864544a50ab69",
        "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/video/fbdev/smscufx.c"
    ],
    "versions": [
      {
        "version": "3.2",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.2",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.251",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.201",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.164",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.127",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.74",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.13",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.3",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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11 May 2026 22:02Current
CVSS 3.17.3
EPSS0.00206
28