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CVE-2024-50048

🗓️ 21 Oct 2024 19:39:45Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 154 Views🌐 WEB

Fix NULL pointer dereference issue in fbcon_putc

Related
Detection
Affected
Refs
Paths
NVD
Vulners
CNA
Node
linuxlinux_kernelRange<6.1.113
OR
linuxlinux_kernelRange6.26.6.57
OR
linuxlinux_kernelRange6.76.11.4
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/video/fbdev/core/fbcon.c"
    ],
    "versions": [
      {
        "version": "b07db39584856e16814e2f065380e533a001535d",
        "lessThan": "8266ae6eafdcd5a3136592445ff4038bbc7ee80e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b07db39584856e16814e2f065380e533a001535d",
        "lessThan": "f7fb5dda555344529ce584ff7a28b109528d2f1b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b07db39584856e16814e2f065380e533a001535d",
        "lessThan": "e5c2dba62996a3a6eeb34bd248b90fc69c5a6a1b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b07db39584856e16814e2f065380e533a001535d",
        "lessThan": "5b97eebcce1b4f3f07a71f635d6aa3af96c236e7",
        "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/core/fbcon.c"
    ],
    "versions": [
      {
        "version": "5.19",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.19",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.113",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.57",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.11.4",
        "lessThanOrEqual": "6.11.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
param.typerequest body/dev/tty1Trigger TIOCLINUX ioctl path with param structure that leads to fbcon_putcs NULL pointer dereferenceCWE-476
param.ts.xsrequest body/dev/tty1Trigger TIOCLINUX ioctl path with param structure that leads to fbcon_putcs NULL pointer dereferenceCWE-476
param.ts.ysrequest body/dev/tty1Trigger TIOCLINUX ioctl path with param structure that leads to fbcon_putcs NULL pointer dereferenceCWE-476
param.ts.xerequest body/dev/tty1Trigger TIOCLINUX ioctl path with param structure that leads to fbcon_putcs NULL pointer dereferenceCWE-476
param.ts.yerequest body/dev/tty1Trigger TIOCLINUX ioctl path with param structure that leads to fbcon_putcs NULL pointer dereferenceCWE-476
param.ts.sel_moderequest body/dev/tty1Trigger TIOCLINUX ioctl path with param structure that leads to fbcon_putcs NULL pointer dereferenceCWE-476
con2fb.consolerequest body/dev/fb1Perform FBIOPUT_CON2FBMAP after TIOCLINUX path to reach fbcon_putcs where ops->putcs is NULLCWE-476
con2fb.framebufferrequest body/dev/fb1Perform FBIOPUT_CON2FBMAP after TIOCLINUX path to reach fbcon_putcs where ops->putcs is NULLCWE-476

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11 May 2026 20:44Current
5.1Medium risk
Vulners AI Score5.1
CVSS 3.15.5
EPSS0.00049
SSVC
154