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CVE-2025-71192 ALSA: ac97: fix a double free in snd_ac97_controller_register()

🗓️ 04 Feb 2026 16:00:23Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 42 Views

ALSA fix to prevent double free in snd_ac97_controller_register when adapter allocation fails.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "sound/ac97/bus.c"
    ],
    "versions": [
      {
        "version": "74426fbff66eea8e8d1f42c8238c268d1e63a832",
        "lessThan": "c80f9b3349a99a9d5b295f5bbc23f544c5995ad7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "74426fbff66eea8e8d1f42c8238c268d1e63a832",
        "lessThan": "21f8bc5179bed91c3f946adb5e55d717b891960c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "74426fbff66eea8e8d1f42c8238c268d1e63a832",
        "lessThan": "fcc04c92cbb5497ce67c58dd2f0001bb87f40396",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "74426fbff66eea8e8d1f42c8238c268d1e63a832",
        "lessThan": "cb73d37ac18bc1716690ff5255a0ef1952827e9e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "74426fbff66eea8e8d1f42c8238c268d1e63a832",
        "lessThan": "830988b6cf197e6dcffdfe2008c5738e6c6c3c0f",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "sound/ac97/bus.c"
    ],
    "versions": [
      {
        "version": "4.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.161",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.121",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.66",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.6",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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05 Aug 2026 12:12Current
CVSS 3.17
EPSS0.00113
42