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CVE-2024-53082 (GCVE-0-2024-53082)

Vulnerability from cvelistv5 – Published: 2024-11-19 17:45 – Updated: 2026-08-05 11:43
VLAI
Title
virtio_net: Add hash_key_length check
Summary
In the Linux kernel, the following vulnerability has been resolved: virtio_net: Add hash_key_length check Add hash_key_length check in virtnet_probe() to avoid possible out of bound errors when setting/reading the hash key.
Severity
8.4 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.1 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-01 20:11 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: c7114b1249fa3b5f3a434606ba4cc89c4a27d618 , < f3401e3c8d339ddb6ccb2e3d11ad634b7846a806 (git)
Affected: c7114b1249fa3b5f3a434606ba4cc89c4a27d618 , < af0aa8aecbe8985079232902894cc4cb62795691 (git)
Affected: c7114b1249fa3b5f3a434606ba4cc89c4a27d618 , < 6a18a783b1fa590ad1ed785907263e4b86adcfe2 (git)
Affected: c7114b1249fa3b5f3a434606ba4cc89c4a27d618 , < 3f7d9c1964fcd16d02a8a9d4fd6f6cb60c4cc530 (git)
guessed Create a notification for this product.
Linux Linux Affected: 5.18
Unaffected: 0 , < 5.18 (semver)
Unaffected: 6.1.117 , ≤ 6.1.* (semver)
Unaffected: 6.6.61 , ≤ 6.6.* (semver)
Unaffected: 6.11.8 , ≤ 6.11.* (semver)
Unaffected: 6.12 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
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        "cveTags": [],
        "descriptions": [
          {
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            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvirtio_net: Add hash_key_length check\n\nAdd hash_key_length check in virtnet_probe() to avoid possible out of\nbound errors when setting/reading the hash key."
          },
          {
            "lang": "es",
            "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: virtio_net: Agregar comprobaci\u00f3n de hash_key_length Agregue comprobaci\u00f3n de hash_key_length en virtnet_probe() para evitar posibles errores fuera de los l\u00edmites al configurar/leer la clave hash."
          }
        ],
        "id": "CVE-2024-53082",
        "lastModified": "2026-08-04T11:21:48.833",
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                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
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                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
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              "impactScore": 5.2,
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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              "ssvcData": {
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                "options": [
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                "version": "2.0.3"
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            "tags": [
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            "url": "https://git.kernel.org/stable/c/f3401e3c8d339ddb6ccb2e3d11ad634b7846a806"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Modified",
        "weaknesses": [
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              {
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                "value": "CWE-125"
              }
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            "source": "nvd@nist.gov",
            "type": "Primary"
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              }
            ],
            "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
            "type": "Secondary"
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    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-08-04T14:12:53+00:00",
      "cve": "CVE-2024-53082",
      "id": "CVE-2024-53082",
      "initial_release_date": "2024-11-19T00:00:00+00:00",
      "product_status:fixed": "305",
      "product_status:known_affected": "64",
      "product_status:known_not_affected": "48",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: virtio_net: Add hash_key_length check",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-53082.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-09-11T02:09:06Z",
      "cve": "CVE-2024-53082",
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      "initial_release_date": "2024-11-20T03:48:37Z",
      "product_status:known_affected": "398",
      "product_status:known_not_affected": "474",
      "product_status:recommended": "341",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-53082",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-53082.json",
      "version": "64"
    },
    "vulnrichment": {
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          {
            "providerMetadata": {
              "dateUpdated": "2025-11-03T22:29:05.254Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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            "title": "CVE Program Container"
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                    "description": "CWE-125 Out-of-bounds Read",
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            "title": "CISA ADP Vulnrichment"
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                  "value": "AV:L - The malicious value arrives in the virtio device\u0027s configuration space read over the PCI/MMIO transport during driver probe, not over any network or wireless path; the attacker is the local device model (hypervisor backend, vDPA/VDUSE device, or hardware virtio NIC). This matches the AV:L used for the analogous device-supplied-config OOB in CVE-2024-53092.\nAC:L - The device simply advertises rss_max_key_size \u003e 40 and the overflow is deterministic on every probe \u2014 no race, no timing window, and the attacker picks the exact overflow length and (via ethtool set_rxfh) the exact bytes written past the array.\nPR:N - The out-of-bounds write and the BUG_ON panic occur automatically inside virtnet_probe()/virtnet_init_default_rss() during driver binding, and virtnet_commit_rss_command() DMAs the out-of-bounds key bytes back to the device on link-up, all with no guest account or credentials required.\nUI:N - Device probe, hotplug, and interface bring-up are driven automatically by the driver core and normal network configuration; no victim action is needed.\nS:U - The out-of-bounds read and write are confined to the guest kernel\u0027s own heap and security authority, with no IOMMU, hypervisor, or sandbox boundary crossed by the impact itself.\nC:H - virtnet_get_rxfh() memcpy\u0027s vi-\u003erss_key_size bytes from the 40-byte key array to userspace and virtnet_commit_rss_command() hands the same over-long buffer to the device, leaking adjacent virtnet_info heap contents including the indirection_table kernel pointer; once that pointer is overwritten via set_rxfh, get_rxfh reads back arbitrary kernel addresses.\nI:H - netdev_rss_key_fill() writes past key[] at probe and virtnet_set_rxfh()\u0027s memcpy(vi-\u003erss.key, rxfh-\u003ekey, vi-\u003erss_key_size) writes attacker-chosen bytes over the adjacent indirection_table pointer, after which vi-\u003erss.indirection_table[i] = rxfh-\u003eindir[i] is an arbitrary kernel write suitable for control-flow hijacking; on 6.1/6.6 key[] is the last struct member so the overflow lands directly on subsequent virtnet_info fields.\nA:H - netdev_rss_key_fill() contains BUG_ON(len \u003e 52), so any device advertising rss_max_key_size of 53\u2013255 panics the guest kernel outright during probe, and the corrupted indirection_table pointer additionally trips sg_set_buf()\u0027s virt_addr_valid BUG_ON and wild dereferences."
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  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.