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CVE-2022-49388 (GCVE-0-2022-49388)

Vulnerability from cvelistv5 – Published: 2025-02-26 02:11 – Updated: 2026-05-11 18:58
VLAI
Title
ubi: ubi_create_volume: Fix use-after-free when volume creation failed
Summary
In the Linux kernel, the following vulnerability has been resolved: ubi: ubi_create_volume: Fix use-after-free when volume creation failed There is an use-after-free problem for 'eba_tbl' in ubi_create_volume()'s error handling path: ubi_eba_replace_table(vol, eba_tbl) vol->eba_tbl = tbl out_mapping: ubi_eba_destroy_table(eba_tbl) // Free 'eba_tbl' out_unlock: put_device(&vol->dev) vol_release kfree(tbl->entries) // UAF Fix it by removing redundant 'eba_tbl' releasing. Fetch a reproducer in [Link].
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-27 17:58 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 493cfaeaa0c9bc0c79ce5751193d49fdac9aaaec , < 25ff1e3a1351c0d936dd1ac2f9e58231ea1510c9 (git)
Affected: 493cfaeaa0c9bc0c79ce5751193d49fdac9aaaec , < abb67043060f2bf4c03d7c3debb9ae980e2b6db3 (git)
Affected: 493cfaeaa0c9bc0c79ce5751193d49fdac9aaaec , < 8302620aeb940f386817321d272b12411ae7d39f (git)
Affected: 493cfaeaa0c9bc0c79ce5751193d49fdac9aaaec , < 6d8d3f68cbecfd31925796f0fb668eb21ab06734 (git)
Affected: 493cfaeaa0c9bc0c79ce5751193d49fdac9aaaec , < 5ff2514e4fb55dcf3d88294686040ca73ea0c1a2 (git)
Affected: 493cfaeaa0c9bc0c79ce5751193d49fdac9aaaec , < e27ecf325e51abd06aaefba57a6322a46fa4178b (git)
Affected: 493cfaeaa0c9bc0c79ce5751193d49fdac9aaaec , < 1174ab8ba36a48025b68b5ff1085000b1e510217 (git)
Affected: 493cfaeaa0c9bc0c79ce5751193d49fdac9aaaec , < 8c03a1c21d72210f81cb369cc528e3fde4b45411 (git)
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Linux Linux Affected: 4.12
Unaffected: 0 , < 4.12 (semver)
Unaffected: 4.14.283 , ≤ 4.14.* (semver)
Unaffected: 4.19.247 , ≤ 4.19.* (semver)
Unaffected: 5.4.198 , ≤ 5.4.* (semver)
Unaffected: 5.10.122 , ≤ 5.10.* (semver)
Unaffected: 5.15.47 , ≤ 5.15.* (semver)
Unaffected: 5.17.15 , ≤ 5.17.* (semver)
Unaffected: 5.18.4 , ≤ 5.18.* (semver)
Unaffected: 5.19 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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            "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ubi: ubi_create_volume: Se corrige el problema de use-after-free cuando falla la creaci\u00f3n del volumen Hay un problema de use-after-free para \u0027eba_tbl\u0027 en la ruta de gesti\u00f3n de errores de ubi_create_volume(): ubi_eba_replace_table(vol, eba_tbl) vol-\u0026gt;eba_tbl = tbl out_mapping: ubi_eba_destroy_table(eba_tbl) // Libera \u0027eba_tbl\u0027 out_unlock: put_device(\u0026amp;vol-\u0026gt;dev) vol_release kfree(tbl-\u0026gt;entries) // UAF Arr\u00e9glalo eliminando la liberaci\u00f3n redundante de \u0027eba_tbl\u0027. Obt\u00e9n un reproductor en [Enlace]."
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        "id": "CVE-2022-49388",
        "lastModified": "2026-06-17T05:17:54.427",
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                  {
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                ],
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                "timestamp": "2025-02-27T17:58:38.126339Z",
                "version": "2.0.3"
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          {
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          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Analyzed",
        "weaknesses": [
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            "description": [
              {
                "lang": "en",
                "value": "CWE-416"
              }
            ],
            "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
            "type": "Secondary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-29T21:05:56+00:00",
      "cve": "CVE-2022-49388",
      "id": "CVE-2022-49388",
      "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: ubi: ubi_create_volume: Fix use-after-free when volume creation failed",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-49388.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-29T02:28:22Z",
      "cve": "CVE-2022-49388",
      "id": "CVE-2022-49388",
      "initial_release_date": "2025-02-27T03:07:42Z",
      "product_status:known_affected": "633",
      "product_status:known_not_affected": "180",
      "product_status:recommended": "26",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-49388",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-49388.json",
      "version": "31"
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "cvssV3_1": {
                  "attackComplexity": "LOW",
                  "attackVector": "LOCAL",
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                  "baseScore": 7.8,
                  "baseSeverity": "HIGH",
                  "confidentialityImpact": "HIGH",
                  "integrityImpact": "HIGH",
                  "privilegesRequired": "LOW",
                  "scope": "UNCHANGED",
                  "userInteraction": "NONE",
                  "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "version": "3.1"
                }
              },
              {
                "other": {
                  "content": {
                    "id": "CVE-2022-49388",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
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                      },
                      {
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                      }
                    ],
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                    "timestamp": "2025-02-27T17:58:38.126339Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "problemTypes": [
              {
                "descriptions": [
                  {
                    "cweId": "CWE-416",
                    "description": "CWE-416 Use After Free",
                    "lang": "en",
                    "type": "CWE"
                  }
                ]
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2025-02-27T17:58:39.394Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
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            {
              "defaultStatus": "unaffected",
              "product": "Linux",
              "programFiles": [
                "drivers/mtd/ubi/vmt.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
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              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
                  "status": "affected",
                  "version": "4.12"
                },
                {
                  "lessThan": "4.12",
                  "status": "unaffected",
                  "version": "0",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "4.14.*",
                  "status": "unaffected",
                  "version": "4.14.283",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "4.19.*",
                  "status": "unaffected",
                  "version": "4.19.247",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.4.*",
                  "status": "unaffected",
                  "version": "5.4.198",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.10.*",
                  "status": "unaffected",
                  "version": "5.10.122",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.15.*",
                  "status": "unaffected",
                  "version": "5.15.47",
                  "versionType": "semver"
                },
                {
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                  "status": "unaffected",
                  "version": "5.17.15",
                  "versionType": "semver"
                },
                {
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                  "version": "5.18.4",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "*",
                  "status": "unaffected",
                  "version": "5.19",
                  "versionType": "original_commit_for_fix"
                }
              ]
            }
          ],
          "cpeApplicability": [
            {
              "nodes": [
                {
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                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "4.14.283",
                      "versionStartIncluding": "4.12",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "4.19.247",
                      "versionStartIncluding": "4.12",
                      "vulnerable": true
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                      "vulnerable": true
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                      "vulnerable": true
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                    {
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                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                      "vulnerable": true
                    },
                    {
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                      "versionStartIncluding": "4.12",
                      "vulnerable": true
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                      "versionEndExcluding": "5.19",
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                      "vulnerable": true
                    }
                  ],
                  "negate": false,
                  "operator": "OR"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nubi: ubi_create_volume: Fix use-after-free when volume creation failed\n\nThere is an use-after-free problem for \u0027eba_tbl\u0027 in ubi_create_volume()\u0027s\nerror handling path:\n\n  ubi_eba_replace_table(vol, eba_tbl)\n    vol-\u003eeba_tbl = tbl\nout_mapping:\n  ubi_eba_destroy_table(eba_tbl)   // Free \u0027eba_tbl\u0027\nout_unlock:\n  put_device(\u0026vol-\u003edev)\n    vol_release\n      kfree(tbl-\u003eentries)\t  // UAF\n\nFix it by removing redundant \u0027eba_tbl\u0027 releasing.\nFetch a reproducer in [Link]."
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-05-11T18:58:43.715Z",
            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "shortName": "Linux"
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              "url": "https://git.kernel.org/stable/c/25ff1e3a1351c0d936dd1ac2f9e58231ea1510c9"
            },
            {
              "url": "https://git.kernel.org/stable/c/abb67043060f2bf4c03d7c3debb9ae980e2b6db3"
            },
            {
              "url": "https://git.kernel.org/stable/c/8302620aeb940f386817321d272b12411ae7d39f"
            },
            {
              "url": "https://git.kernel.org/stable/c/6d8d3f68cbecfd31925796f0fb668eb21ab06734"
            },
            {
              "url": "https://git.kernel.org/stable/c/5ff2514e4fb55dcf3d88294686040ca73ea0c1a2"
            },
            {
              "url": "https://git.kernel.org/stable/c/e27ecf325e51abd06aaefba57a6322a46fa4178b"
            },
            {
              "url": "https://git.kernel.org/stable/c/1174ab8ba36a48025b68b5ff1085000b1e510217"
            },
            {
              "url": "https://git.kernel.org/stable/c/8c03a1c21d72210f81cb369cc528e3fde4b45411"
            }
          ],
          "title": "ubi: ubi_create_volume: Fix use-after-free when volume creation failed",
          "x_generator": {
            "engine": "bippy-1.2.0"
          }
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      },
      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2022-49388",
        "datePublished": "2025-02-26T02:11:22.326Z",
        "dateReserved": "2025-02-26T02:08:31.561Z",
        "dateUpdated": "2026-05-11T18:58:43.715Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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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.