CVE-2022-49968 (GCVE-0-2022-49968)

Vulnerability from cvelistv5 – Published: 2025-06-18 11:00 – Updated: 2025-06-18 11:00
VLAI?
Summary
In the Linux kernel, the following vulnerability has been resolved: ieee802154/adf7242: defer destroy_workqueue call There is a possible race condition (use-after-free) like below (FREE) | (USE) adf7242_remove | adf7242_channel cancel_delayed_work_sync | destroy_workqueue (1) | adf7242_cmd_rx | mod_delayed_work (2) | The root cause for this race is that the upper layer (ieee802154) is unaware of this detaching event and the function adf7242_channel can be called without any checks. To fix this, we can add a flag write at the beginning of adf7242_remove and add flag check in adf7242_channel. Or we can just defer the destructive operation like other commit 3e0588c291d6 ("hamradio: defer ax25 kfree after unregister_netdev") which let the ieee802154_unregister_hw() to handle the synchronization. This patch takes the second option. runs")
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 58e9683d14752debc6f22daf6b23e031787df31f , < dede80aaf01f4b6e8657d23726cb4a3da226ec4c (git)
Affected: 58e9683d14752debc6f22daf6b23e031787df31f , < bed12d7531df1417fc92c691999ff95e03835008 (git)
Affected: 58e9683d14752debc6f22daf6b23e031787df31f , < 23a29932715ca43bceb2eae1bdb770995afe7271 (git)
Affected: 58e9683d14752debc6f22daf6b23e031787df31f , < 9f8558c5c642c62c450c98c99b7d18a709fff485 (git)
Affected: 58e9683d14752debc6f22daf6b23e031787df31f , < 15f3b89bd521d5770d36a61fc04a77c293138ba6 (git)
Affected: 58e9683d14752debc6f22daf6b23e031787df31f , < afe7116f6d3b888778ed6d95e3cf724767b9aedf (git)
Affected: a2363e2d88bf50022ee643c49ee5d4f7e8c915ea (git)
Create a notification for this product.
    Linux Linux Affected: 4.18
Unaffected: 0 , < 4.18 (semver)
Unaffected: 4.19.258 , ≤ 4.19.* (semver)
Unaffected: 5.4.213 , ≤ 5.4.* (semver)
Unaffected: 5.10.142 , ≤ 5.10.* (semver)
Unaffected: 5.15.66 , ≤ 5.15.* (semver)
Unaffected: 5.19.8 , ≤ 5.19.* (semver)
Unaffected: 6.0 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ieee802154/adf7242.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "dede80aaf01f4b6e8657d23726cb4a3da226ec4c",
              "status": "affected",
              "version": "58e9683d14752debc6f22daf6b23e031787df31f",
              "versionType": "git"
            },
            {
              "lessThan": "bed12d7531df1417fc92c691999ff95e03835008",
              "status": "affected",
              "version": "58e9683d14752debc6f22daf6b23e031787df31f",
              "versionType": "git"
            },
            {
              "lessThan": "23a29932715ca43bceb2eae1bdb770995afe7271",
              "status": "affected",
              "version": "58e9683d14752debc6f22daf6b23e031787df31f",
              "versionType": "git"
            },
            {
              "lessThan": "9f8558c5c642c62c450c98c99b7d18a709fff485",
              "status": "affected",
              "version": "58e9683d14752debc6f22daf6b23e031787df31f",
              "versionType": "git"
            },
            {
              "lessThan": "15f3b89bd521d5770d36a61fc04a77c293138ba6",
              "status": "affected",
              "version": "58e9683d14752debc6f22daf6b23e031787df31f",
              "versionType": "git"
            },
            {
              "lessThan": "afe7116f6d3b888778ed6d95e3cf724767b9aedf",
              "status": "affected",
              "version": "58e9683d14752debc6f22daf6b23e031787df31f",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "a2363e2d88bf50022ee643c49ee5d4f7e8c915ea",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ieee802154/adf7242.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.18"
            },
            {
              "lessThan": "4.18",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.19.*",
              "status": "unaffected",
              "version": "4.19.258",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.213",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.142",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.66",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.19.*",
              "status": "unaffected",
              "version": "5.19.8",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "4.19.258",
                  "versionStartIncluding": "4.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.4.213",
                  "versionStartIncluding": "4.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.142",
                  "versionStartIncluding": "4.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.66",
                  "versionStartIncluding": "4.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.19.8",
                  "versionStartIncluding": "4.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.0",
                  "versionStartIncluding": "4.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "4.17.19",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nieee802154/adf7242: defer destroy_workqueue call\n\nThere is a possible race condition (use-after-free) like below\n\n  (FREE)                     |  (USE)\n  adf7242_remove             |  adf7242_channel\n   cancel_delayed_work_sync  |\n    destroy_workqueue (1)    |   adf7242_cmd_rx\n                             |    mod_delayed_work (2)\n                             |\n\nThe root cause for this race is that the upper layer (ieee802154) is\nunaware of this detaching event and the function adf7242_channel can\nbe called without any checks.\n\nTo fix this, we can add a flag write at the beginning of adf7242_remove\nand add flag check in adf7242_channel. Or we can just defer the\ndestructive operation like other commit 3e0588c291d6 (\"hamradio: defer\nax25 kfree after unregister_netdev\") which let the\nieee802154_unregister_hw() to handle the synchronization. This patch\ntakes the second option.\n\nruns\")"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-06-18T11:00:32.443Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/dede80aaf01f4b6e8657d23726cb4a3da226ec4c"
        },
        {
          "url": "https://git.kernel.org/stable/c/bed12d7531df1417fc92c691999ff95e03835008"
        },
        {
          "url": "https://git.kernel.org/stable/c/23a29932715ca43bceb2eae1bdb770995afe7271"
        },
        {
          "url": "https://git.kernel.org/stable/c/9f8558c5c642c62c450c98c99b7d18a709fff485"
        },
        {
          "url": "https://git.kernel.org/stable/c/15f3b89bd521d5770d36a61fc04a77c293138ba6"
        },
        {
          "url": "https://git.kernel.org/stable/c/afe7116f6d3b888778ed6d95e3cf724767b9aedf"
        }
      ],
      "title": "ieee802154/adf7242: defer destroy_workqueue call",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49968",
    "datePublished": "2025-06-18T11:00:32.443Z",
    "dateReserved": "2025-06-18T10:57:27.384Z",
    "dateUpdated": "2025-06-18T11:00:32.443Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-49968\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-06-18T11:15:24.123\",\"lastModified\":\"2025-11-13T21:15:49.140\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nieee802154/adf7242: defer destroy_workqueue call\\n\\nThere is a possible race condition (use-after-free) like below\\n\\n  (FREE)                     |  (USE)\\n  adf7242_remove             |  adf7242_channel\\n   cancel_delayed_work_sync  |\\n    destroy_workqueue (1)    |   adf7242_cmd_rx\\n                             |    mod_delayed_work (2)\\n                             |\\n\\nThe root cause for this race is that the upper layer (ieee802154) is\\nunaware of this detaching event and the function adf7242_channel can\\nbe called without any checks.\\n\\nTo fix this, we can add a flag write at the beginning of adf7242_remove\\nand add flag check in adf7242_channel. Or we can just defer the\\ndestructive operation like other commit 3e0588c291d6 (\\\"hamradio: defer\\nax25 kfree after unregister_netdev\\\") which let the\\nieee802154_unregister_hw() to handle the synchronization. This patch\\ntakes the second option.\\n\\nruns\\\")\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ieee802154/adf7242: aplazar la llamada a destroy_workqueue Existe una posible condici\u00f3n de ejecuci\u00f3n (use-after-free) como la siguiente (FREE) | (USE) adf7242_remove | adf7242_channel cancel_delayed_work_sync | destroy_workqueue (1) | adf7242_cmd_rx | mod_delayed_work (2) | La causa ra\u00edz de esta ejecuci\u00f3n es que la capa superior (ieee802154) desconoce este evento de desconexi\u00f3n y la funci\u00f3n adf7242_channel se puede llamar sin ninguna comprobaci\u00f3n. Para solucionar esto, podemos a\u00f1adir una escritura de bandera al principio de adf7242_remove y a\u00f1adir la comprobaci\u00f3n de bandera en adf7242_channel. O podemos simplemente aplazar la operaci\u00f3n destructiva como en el commit 3e0588c291d6 (\\\"hamradio: defer ax25 kfree after unregister_netdev\\\"), que permite que ieee802154_unregister_hw() gestione la sincronizaci\u00f3n. Este parche utiliza la segunda opci\u00f3n.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":4.7,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.0,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-362\"},{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.17.19\",\"versionEndExcluding\":\"4.18\",\"matchCriteriaId\":\"B6D6430B-3216-45D9-9045-59B051E67A0E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.18.1\",\"versionEndExcluding\":\"4.19.258\",\"matchCriteriaId\":\"E0DC08C3-B6A2-45C2-9176-6E3118D17304\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.4.213\",\"matchCriteriaId\":\"4C373116-9E23-44BA-A6B7-87C8BF5C3B85\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.142\",\"matchCriteriaId\":\"D44AD643-5591-432E-BD41-C2C737F54AC0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.66\",\"matchCriteriaId\":\"52AE7E2B-7BE3-4B8A-89CC-AB62434899A3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"5.19.8\",\"matchCriteriaId\":\"7FEC7656-4CE2-424C-8830-EDB160E701C8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:4.18:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"6AE7DC47-EAFA-42D5-BCF5-C7039EE3D771\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:4.18:rc6:*:*:*:*:*:*\",\"matchCriteriaId\":\"30FBD992-DD41-441E-A6C7-D39DAC45DA34\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:4.18:rc7:*:*:*:*:*:*\",\"matchCriteriaId\":\"10979D17-76B4-465F-A475-78680FBECEBD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:4.18:rc8:*:*:*:*:*:*\",\"matchCriteriaId\":\"56BF1EDD-3351-4E3E-AD42-54AF093ADB89\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.0:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"E8BD11A3-8643-49B6-BADE-5029A0117325\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.0:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"5F0AD220-F6A9-4012-8636-155F1B841FAD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.0:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"A46498B3-78E1-4623-AAE1-94D29A42BE4E\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/15f3b89bd521d5770d36a61fc04a77c293138ba6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/23a29932715ca43bceb2eae1bdb770995afe7271\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/9f8558c5c642c62c450c98c99b7d18a709fff485\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/afe7116f6d3b888778ed6d95e3cf724767b9aedf\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/bed12d7531df1417fc92c691999ff95e03835008\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/dede80aaf01f4b6e8657d23726cb4a3da226ec4c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.