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LinuxCVE-2024-26978

HistoryMay 01, 2024 - 6:15 a.m.

CVE-2024-26978

2024-05-0106:15:15

CWE-476

Linux

web.nvd.nist.gov

cve-2024-26978

vulnerability

linux kernel

max310x

i2c instantiation

null pointer

probe error

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

AI Score

6.3

Confidence

Low

EPSS

Percentile

5.1%

JSON

In the Linux kernel, the following vulnerability has been resolved:

serial: max310x: fix NULL pointer dereference in I2C instantiation

When trying to instantiate a max14830 device from userspace:

echo max14830 0x60 &gt; /sys/bus/i2c/devices/i2c-2/new_device

we get the following error:

Unable to handle kernel NULL pointer dereference at virtual address...
...
Call trace:
    max310x_i2c_probe+0x48/0x170 [max310x]
    i2c_device_probe+0x150/0x2a0
...

Add check for validity of devtype to prevent the error, and abort probe
with a meaningful error message.

Affected configurations

Nvd

Vulners

Node

linuxlinux_kernelRange<5.4.274

linuxlinux_kernelRange5.5–5.10.215

linuxlinux_kernelRange5.11–6.1.84

linuxlinux_kernelRange6.2–6.6.24

linuxlinux_kernelRange6.7–6.7.12

linuxlinux_kernelRange6.8–6.8.3

VendorProductVersionCPE
linuxlinux_kernel*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
linux	linux_kernel	*	cpe:2.3:o:linux:linux_kernel::::::::

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/tty/serial/max310x.c"
    ],
    "versions": [
      {
        "version": "f5c252aaa1be",
        "lessThan": "7d271b798add",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "85d79478710a",
        "lessThan": "c45e53c27b78",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2e1f2d9a9bdb",
        "lessThan": "12609c76b755",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2e1f2d9a9bdb",
        "lessThan": "2160ad6861c4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2e1f2d9a9bdb",
        "lessThan": "5cd8af02b466",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2e1f2d9a9bdb",
        "lessThan": "aeca49661fd0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2e1f2d9a9bdb",
        "lessThan": "0d27056c24ef",
        "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/tty/serial/max310x.c"
    ],
    "versions": [
      {
        "version": "6.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.0",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.4.274",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.10.215",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.1.84",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.6.24",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.7.12",
        "lessThanOrEqual": "6.7.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.8.3",
        "lessThanOrEqual": "6.8.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.9",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]