cve-2024-46762
Vulnerability from cvelistv5
Published
2024-09-18 07:12
Modified
2025-05-04 09:33
Severity ?
Summary
xen: privcmd: Fix possible access to a freed kirqfd instance
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website


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                "id": "CVE-2024-46762",
                "options": [
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                    "Exploitation": "none"
                  },
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                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
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                "role": "CISA Coordinator",
                "timestamp": "2024-09-29T14:43:33.478974Z",
                "version": "2.0.3"
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        "title": "CISA ADP Vulnrichment"
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          "product": "Linux",
          "programFiles": [
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxen: privcmd: Fix possible access to a freed kirqfd instance\n\nNothing prevents simultaneous ioctl calls to privcmd_irqfd_assign() and\nprivcmd_irqfd_deassign(). If that happens, it is possible that a kirqfd\ncreated and added to the irqfds_list by privcmd_irqfd_assign() may get\nremoved by another thread executing privcmd_irqfd_deassign(), while the\nformer is still using it after dropping the locks.\n\nThis can lead to a situation where an already freed kirqfd instance may\nbe accessed and cause kernel oops.\n\nUse SRCU locking to prevent the same, as is done for the KVM\nimplementation for irqfds."
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        "dateUpdated": "2025-05-04T09:33:35.436Z",
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      "title": "xen: privcmd: Fix possible access to a freed kirqfd instance",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2024-46762",
    "datePublished": "2024-09-18T07:12:21.854Z",
    "dateReserved": "2024-09-11T15:12:18.272Z",
    "dateUpdated": "2025-05-04T09:33:35.436Z",
    "state": "PUBLISHED"
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  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.