CVE-2024-35813 mmc: core: Avoid negative index with array access

2024-05-1713:23:18

Linux

github.com

linux kernel

vulnerability

mmc core

6.8 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

13.2%

JSON

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

mmc: core: Avoid negative index with array access

Commit 4d0c8d0aef63 (“mmc: core: Use mrq.sbc in close-ended ffu”) assigns
prev_idata = idatas[i - 1], but doesn’t check that the iterator i is
greater than zero. Let’s fix this by adding a check.

CNA Affected

[
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "f49f9e802785",
        "lessThan": "b9a7339ae403",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "59020bf0999f",
        "lessThan": "2b539c88940e",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "50b8b7a22e90",
        "lessThan": "81b8645feca0",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "c4edcd134bb7",
        "lessThan": "ad9cc5e9e53a",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "1653a8102868",
        "lessThan": "4466677dcabe",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "eed9119f8f8e",
        "lessThan": "064db53f9023",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "4d0c8d0aef63",
        "lessThan": "7d0e8a614755",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "4d0c8d0aef63",
        "lessThan": "cf55a7acd1ed",
        "versionType": "git"
      }
    ],
    "programFiles": [
      "drivers/mmc/core/block.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "6.8"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "6.8",
        "versionType": "custom"
      },
      {
        "status": "unaffected",
        "version": "5.4.274",
        "versionType": "custom",
        "lessThanOrEqual": "5.4.*"
      },
      {
        "status": "unaffected",
        "version": "5.10.215",
        "versionType": "custom",
        "lessThanOrEqual": "5.10.*"
      },
      {
        "status": "unaffected",
        "version": "5.15.154",
        "versionType": "custom",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.1.84",
        "versionType": "custom",
        "lessThanOrEqual": "6.1.*"
      },
      {
        "status": "unaffected",
        "version": "6.6.24",
        "versionType": "custom",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.7.12",
        "versionType": "custom",
        "lessThanOrEqual": "6.7.*"
      },
      {
        "status": "unaffected",
        "version": "6.8.3",
        "versionType": "custom",
        "lessThanOrEqual": "6.8.*"
      },
      {
        "status": "unaffected",
        "version": "6.9",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "drivers/mmc/core/block.c"
    ],
    "defaultStatus": "affected"
  }
]