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CVE-2022-49100 (GCVE-0-2022-49100)

Vulnerability from cvelistv5 – Published: 2025-02-26 01:54 – Updated: 2026-05-11 18:53
VLAI
Title
virtio_console: eliminate anonymous module_init & module_exit
Summary
In the Linux kernel, the following vulnerability has been resolved: virtio_console: eliminate anonymous module_init & module_exit Eliminate anonymous module_init() and module_exit(), which can lead to confusion or ambiguity when reading System.map, crashes/oops/bugs, or an initcall_debug log. Give each of these init and exit functions unique driver-specific names to eliminate the anonymous names. Example 1: (System.map) ffffffff832fc78c t init ffffffff832fc79e t init ffffffff832fc8f8 t init Example 2: (initcall_debug log) calling init+0x0/0x12 @ 1 initcall init+0x0/0x12 returned 0 after 15 usecs calling init+0x0/0x60 @ 1 initcall init+0x0/0x60 returned 0 after 2 usecs calling init+0x0/0x9a @ 1 initcall init+0x0/0x9a returned 0 after 74 usecs
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 31610434bc3523c0b01a10917a1185096a03c4c8 , < 93e3d88321d2274fa4e26b006e19cc10fec331c2 (git)
Affected: 31610434bc3523c0b01a10917a1185096a03c4c8 , < 7deaddb704713608e0ae559e27185581b9af71a0 (git)
Affected: 31610434bc3523c0b01a10917a1185096a03c4c8 , < 0f3d824bd70a1303464d5e93ee3e7afe7832fe89 (git)
Affected: 31610434bc3523c0b01a10917a1185096a03c4c8 , < 3504b0a177208eda85bf472bbf7c9aa77d2b8343 (git)
Affected: 31610434bc3523c0b01a10917a1185096a03c4c8 , < c69b442125bf009fce26e15aa5616caf8a3673c3 (git)
Affected: 31610434bc3523c0b01a10917a1185096a03c4c8 , < 44c2d5fbe7b2bd1f8cb114d608a591a73a5d4ae6 (git)
Affected: 31610434bc3523c0b01a10917a1185096a03c4c8 , < 3fd5dee7404ce40c79cba468bb2510115639d975 (git)
Affected: 31610434bc3523c0b01a10917a1185096a03c4c8 , < 71612aee09ecea3475f8751dc841d75a011b1fd0 (git)
Affected: 31610434bc3523c0b01a10917a1185096a03c4c8 , < fefb8a2a941338d871e2d83fbd65fbfa068857bd (git)
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Linux Linux Affected: 2.6.24
Unaffected: 0 , < 2.6.24 (semver)
Unaffected: 4.9.311 , ≤ 4.9.* (semver)
Unaffected: 4.14.276 , ≤ 4.14.* (semver)
Unaffected: 4.19.238 , ≤ 4.19.* (semver)
Unaffected: 5.4.189 , ≤ 5.4.* (semver)
Unaffected: 5.10.111 , ≤ 5.10.* (semver)
Unaffected: 5.15.34 , ≤ 5.15.* (semver)
Unaffected: 5.16.20 , ≤ 5.16.* (semver)
Unaffected: 5.17.3 , ≤ 5.17.* (semver)
Unaffected: 5.18 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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          {
            "lang": "es",
            "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: virtio_console: eliminar module_init y module_exit an\u00f3nimos Elimine module_init() y module_exit() an\u00f3nimos, que pueden provocar confusi\u00f3n o ambig\u00fcedad al leer System.map, fallos/errores/errores o un registro initcall_debug. Asigne a cada una de estas funciones init y exit nombres \u00fanicos espec\u00edficos del controlador para eliminar los nombres an\u00f3nimos. Ejemplo 1: (System.map) ffffffff832fc78c t init ffffffff832fc79e t init ffffffff832fc8f8 t init Ejemplo 2: (initcall_debug log) llamar a init+0x0/0x12 @ 1 initcall init+0x0/0x12 devolvi\u00f3 0 despu\u00e9s de 15 usecs llamar a init+0x0/0x60 @ 1 initcall init+0x0/0x60 devolvi\u00f3 0 despu\u00e9s de 2 usecs llamar a init+0x0/0x9a @ 1 initcall init+0x0/0x9a devolvi\u00f3 0 despu\u00e9s de 74 usecs"
          }
        ],
        "id": "CVE-2022-49100",
        "lastModified": "2026-06-17T05:17:04.720",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 5.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2025-02-26T07:00:47.437",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/0f3d824bd70a1303464d5e93ee3e7afe7832fe89"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/3504b0a177208eda85bf472bbf7c9aa77d2b8343"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/3fd5dee7404ce40c79cba468bb2510115639d975"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/44c2d5fbe7b2bd1f8cb114d608a591a73a5d4ae6"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/71612aee09ecea3475f8751dc841d75a011b1fd0"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/7deaddb704713608e0ae559e27185581b9af71a0"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/93e3d88321d2274fa4e26b006e19cc10fec331c2"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/c69b442125bf009fce26e15aa5616caf8a3673c3"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/fefb8a2a941338d871e2d83fbd65fbfa068857bd"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Analyzed",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "NVD-CWE-noinfo"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-29T20:58:14+00:00",
      "cve": "CVE-2022-49100",
      "id": "CVE-2022-49100",
      "initial_release_date": "2022-01-01T00:00:00+00:00",
      "product_status:known_affected": "198",
      "product_status:known_not_affected": "76",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: virtio_console: eliminate anonymous module_init \u0026 module_exit",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-49100.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-29T02:30:24Z",
      "cve": "CVE-2022-49100",
      "id": "CVE-2022-49100",
      "initial_release_date": "2025-02-27T03:12:16Z",
      "product_status:known_affected": "487",
      "product_status:known_not_affected": "252",
      "product_status:recommended": "319",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-49100",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-49100.json",
      "version": "65"
    }
  }
}



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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.