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CVE-2026-31532 can: raw: fix ro->uniq use-after-free in raw_rcv()

🗓️ 23 Apr 2026 11:12:44Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 29 Views

CVE-2026-31532 fixes a use-after-free in raw_rcv by moving uniq freeing to the raw socket destructor.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/can/raw.c"
    ],
    "versions": [
      {
        "version": "514ac99c64b22d83b52dfee3b8becaa69a92bc4a",
        "lessThan": "1de30576a6dfeaaa27ef91fa272e6b9240b6fbd3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "514ac99c64b22d83b52dfee3b8becaa69a92bc4a",
        "lessThan": "64c8553decf5a5f2417bd54761ea0a832c56c4ca",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "514ac99c64b22d83b52dfee3b8becaa69a92bc4a",
        "lessThan": "3f43f12fde34737fba091b7e3ab391e14ddbb0be",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "514ac99c64b22d83b52dfee3b8becaa69a92bc4a",
        "lessThan": "5e9cfffad898bbeaafd0ea608a6d267362f050fc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "514ac99c64b22d83b52dfee3b8becaa69a92bc4a",
        "lessThan": "572f0bf536ebc14f6e7da3d21a85cf076de8358e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "514ac99c64b22d83b52dfee3b8becaa69a92bc4a",
        "lessThan": "1a0f2de81f7fbdc538fc72d7d74609b79bc83cc0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "514ac99c64b22d83b52dfee3b8becaa69a92bc4a",
        "lessThan": "7201a531b9a5ed892bfda5ded9194ef622de8ffa",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "514ac99c64b22d83b52dfee3b8becaa69a92bc4a",
        "lessThan": "34c1741254ff972e8375faf176678a248826fe3a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "514ac99c64b22d83b52dfee3b8becaa69a92bc4a",
        "lessThan": "a535a9217ca3f2fccedaafb2fddb4c48f27d36dc",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/can/raw.c"
    ],
    "versions": [
      {
        "version": "4.1",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.1",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.258",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.209",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.175",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.136",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.83",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.24",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.14",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.1",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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14 Jun 2026 17:41Current
CVSS 3.17.8
EPSS0.00124
29