CVE-2024-42097 ALSA: emux: improve patch ioctl data validation

2024-07-2917:39:32

Linux

www.cve.org

linux kernel

alsa

cve-2024-42097

EPSS

Percentile

13.5%

JSON

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

ALSA: emux: improve patch ioctl data validation

In load_data(), make the validation of and skipping over the main info
block match that in load_guspatch().

In load_guspatch(), add checking that the specified patch length matches
the actually supplied data, like load_data() already did.

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "sound/synth/emux/soundfont.c"
    ],
    "versions": [
      {
        "version": "1da177e4c3f4",
        "lessThan": "40d7def67841",
        "status": "affected",
        "versionType": "git"
      },
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        "version": "1da177e4c3f4",
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    "programFiles": [
      "sound/synth/emux/soundfont.c"
    ],
    "versions": [
      {
        "version": "4.19.317",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.4.279",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "custom"
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      {
        "version": "5.10.221",
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      {
        "version": "6.9.8",
        "lessThanOrEqual": "6.9.*",
        "status": "unaffected",
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      },
      {
        "version": "6.10",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]