CVE-2021-47521 (GCVE-0-2021-47521)

Vulnerability from cvelistv5 – Published: 2024-05-24 15:09 – Updated: 2025-05-04 07:12
VLAI?
Title
can: sja1000: fix use after free in ems_pcmcia_add_card()
Summary
In the Linux kernel, the following vulnerability has been resolved: can: sja1000: fix use after free in ems_pcmcia_add_card() If the last channel is not available then "dev" is freed. Fortunately, we can just use "pdev->irq" instead. Also we should check if at least one channel was set up.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: fd734c6f25aea4b2b44b045e489aec67b388577e , < cbd86110546f7f730a1f5d7de56c944a336c15c4 (git)
Affected: fd734c6f25aea4b2b44b045e489aec67b388577e , < 1dd5b819f7e406dc15bbc7670596ff25261aaa2a (git)
Affected: fd734c6f25aea4b2b44b045e489aec67b388577e , < c8718026ba287168ff9ad0ccc4f9a413062cba36 (git)
Affected: fd734c6f25aea4b2b44b045e489aec67b388577e , < ccf070183e4655824936c0f96c4a2bcca93419aa (git)
Affected: fd734c6f25aea4b2b44b045e489aec67b388577e , < 1a295fea90e1acbe80c6d4940f5ff856edcd6bec (git)
Affected: fd734c6f25aea4b2b44b045e489aec67b388577e , < 923f4dc5df679f678e121c20bf2fd70f7bf3e288 (git)
Affected: fd734c6f25aea4b2b44b045e489aec67b388577e , < 474f9a8534f5f89841240a7e978bafd6e1e039ce (git)
Affected: fd734c6f25aea4b2b44b045e489aec67b388577e , < 3ec6ca6b1a8e64389f0212b5a1b0f6fed1909e45 (git)
Create a notification for this product.
    Linux Linux Affected: 3.2
Unaffected: 0 , < 3.2 (semver)
Unaffected: 4.4.295 , ≤ 4.4.* (semver)
Unaffected: 4.9.293 , ≤ 4.9.* (semver)
Unaffected: 4.14.258 , ≤ 4.14.* (semver)
Unaffected: 4.19.221 , ≤ 4.19.* (semver)
Unaffected: 5.4.165 , ≤ 5.4.* (semver)
Unaffected: 5.10.85 , ≤ 5.10.* (semver)
Unaffected: 5.15.8 , ≤ 5.15.* (semver)
Unaffected: 5.16 , ≤ * (original_commit_for_fix)
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      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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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.