GHSA-8CHQ-HJC6-56VH

Vulnerability from github – Published: 2024-05-17 15:31 – Updated: 2024-12-30 18:30
VLAI
Details

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

irqchip/gic-v3-its: Prevent double free on error

The error handling path in its_vpe_irq_domain_alloc() causes a double free when its_vpe_init() fails after successfully allocating at least one interrupt. This happens because its_vpe_irq_domain_free() frees the interrupts along with the area bitmap and the vprop_page and its_vpe_irq_domain_alloc() subsequently frees the area bitmap and the vprop_page again.

Fix this by unconditionally invoking its_vpe_irq_domain_free() which handles all cases correctly and by removing the bitmap/vprop_page freeing from its_vpe_irq_domain_alloc().

[ tglx: Massaged change log ]

Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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{
  "affected": [],
  "aliases": [
    "CVE-2024-35847"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-415"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-17T15:15:21Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nirqchip/gic-v3-its: Prevent double free on error\n\nThe error handling path in its_vpe_irq_domain_alloc() causes a double free\nwhen its_vpe_init() fails after successfully allocating at least one\ninterrupt. This happens because its_vpe_irq_domain_free() frees the\ninterrupts along with the area bitmap and the vprop_page and\nits_vpe_irq_domain_alloc() subsequently frees the area bitmap and the\nvprop_page again.\n\nFix this by unconditionally invoking its_vpe_irq_domain_free() which\nhandles all cases correctly and by removing the bitmap/vprop_page freeing\nfrom its_vpe_irq_domain_alloc().\n\n[ tglx: Massaged change log ]",
  "id": "GHSA-8chq-hjc6-56vh",
  "modified": "2024-12-30T18:30:40Z",
  "published": "2024-05-17T15:31:12Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-35847"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/03170e657f62c26834172742492a8cb8077ef792"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5b012f77abde89bf0be8a0547636184fea618137"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5dbdbe1133911ca7d8466bb86885adec32ad9438"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/aa44d21574751a7d6bca892eb8e0e9ac68372e52"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b72d2b1448b682844f995e660b77f2a1fabc1662"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c26591afd33adce296c022e3480dea4282b7ef91"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/dd681710ab77c8beafe2e263064cb1bd0e2d6ca9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f5417ff561b8ac9a7e53c747b8627a7ab58378ae"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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