CVE-2023-53277 (GCVE-0-2023-53277)

Vulnerability from cvelistv5 – Published: 2025-09-16 08:11 – Updated: 2026-01-14 18:12
VLAI?
Title
wifi: iwl3945: Add missing check for create_singlethread_workqueue
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: iwl3945: Add missing check for create_singlethread_workqueue Add the check for the return value of the create_singlethread_workqueue in order to avoid NULL pointer dereference.
Severity ?
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: b481de9ca074528fe8c429604e2777db8b89806a , < 3ae2fc4de12686f3fe695824169c1272c9f798f7 (git)
Affected: b481de9ca074528fe8c429604e2777db8b89806a , < 7e594abc0424e4f8c2385f11aefeaadcfc507aa5 (git)
Affected: b481de9ca074528fe8c429604e2777db8b89806a , < 2f80b3ff92514ebd227e5c55d3d1e480401b02b7 (git)
Affected: b481de9ca074528fe8c429604e2777db8b89806a , < 505c74c4c0b1c5bcaa98a93b3087c268156070f1 (git)
Affected: b481de9ca074528fe8c429604e2777db8b89806a , < 34f611204ae589bd5c494b10b41fb13436bd3c3f (git)
Affected: b481de9ca074528fe8c429604e2777db8b89806a , < 17e07d6587c55015956862ef3b101fd45fa49fbc (git)
Affected: b481de9ca074528fe8c429604e2777db8b89806a , < 1fdeb8b9f29dfd64805bb49475ac7566a3cb06cb (git)
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    Linux Linux Affected: 2.6.24
Unaffected: 0 , < 2.6.24 (semver)
Unaffected: 4.19.276 , ≤ 4.19.* (semver)
Unaffected: 5.4.235 , ≤ 5.4.* (semver)
Unaffected: 5.10.173 , ≤ 5.10.* (semver)
Unaffected: 5.15.99 , ≤ 5.15.* (semver)
Unaffected: 6.1.16 , ≤ 6.1.* (semver)
Unaffected: 6.2.3 , ≤ 6.2.* (semver)
Unaffected: 6.3 , ≤ * (original_commit_for_fix)
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\"https://git.kernel.org/stable/c/17e07d6587c55015956862ef3b101fd45fa49fbc\"}, {\"url\": \"https://git.kernel.org/stable/c/1fdeb8b9f29dfd64805bb49475ac7566a3cb06cb\"}], \"title\": \"wifi: iwl3945: Add missing check for create_singlethread_workqueue\", \"x_generator\": {\"engine\": \"bippy-1.2.0\"}}, \"adp\": [{\"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 5.5, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"NONE\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2023-53277\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-01-14T18:07:21.521750Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-476\", \"description\": \"CWE-476 NULL Pointer Dereference\"}]}], \"providerMetadata\": {\"shortName\": \"CISA-ADP\", \"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"dateUpdated\": \"2026-01-14T18:07:15.995Z\"}, \"title\": \"CISA ADP Vulnrichment\"}]}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-53277\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"state\": \"PUBLISHED\", \"assignerShortName\": \"Linux\", \"dateReserved\": \"2025-09-16T08:09:37.990Z\", \"datePublished\": \"2025-09-16T08:11:12.194Z\", \"dateUpdated\": \"2025-09-16T08:11:12.194Z\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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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.