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CVE-2026-90057 slip: remove slip_hangup() to fix use-after-free in slip_receive_buf()

🗓️ 17 Sep 2026 16:05:41Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 32 Views

slip_hangup() use-after-free read in slip_receive_buf() racing tty hangup in Linux kernel.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/slip/slip.c"
    ],
    "versions": [
      {
        "version": "5342b77c4123ba39f911d92a813295fb3bb21f69",
        "lessThan": "9a3b1edff1ecb47d323f2506b3ffc22178acd1c6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5342b77c4123ba39f911d92a813295fb3bb21f69",
        "lessThan": "a2dbac3fb03b4427ccf057debc83fc61ee102529",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5342b77c4123ba39f911d92a813295fb3bb21f69",
        "lessThan": "de1f978c0f6ab42b28192d74dc59af52fdc76135",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5342b77c4123ba39f911d92a813295fb3bb21f69",
        "lessThan": "ddbc5dc5a2e29b3934da09c1ba3c930fd8a40fd6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5342b77c4123ba39f911d92a813295fb3bb21f69",
        "lessThan": "a540a49fcca59d1c92c3a6462e67ca21676a88df",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5342b77c4123ba39f911d92a813295fb3bb21f69",
        "lessThan": "23c53269f2baaedf2d92784290cb9ef6db2a3bce",
        "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/net/slip/slip.c"
    ],
    "versions": [
      {
        "version": "2.6.32",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.32",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.188",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.157",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.110",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.52",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.6",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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18 Sep 2026 17:52Current
CVSS 3.17.8
EPSS0.0016
32