CVE-2021-47401 (GCVE-0-2021-47401)

Vulnerability from cvelistv5 – Published: 2024-05-21 15:03 – Updated: 2025-05-04 07:10
VLAI?
Title
ipack: ipoctal: fix stack information leak
Summary
In the Linux kernel, the following vulnerability has been resolved: ipack: ipoctal: fix stack information leak The tty driver name is used also after registering the driver and must specifically not be allocated on the stack to avoid leaking information to user space (or triggering an oops). Drivers should not try to encode topology information in the tty device name but this one snuck in through staging without anyone noticing and another driver has since copied this malpractice. Fixing the ABI is a separate issue, but this at least plugs the security hole.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: ba4dc61fe8c545a5d6a68b63616776556b771f51 , < acb96e782bad427ca4bb1bd94af660acd1462380 (git)
Affected: ba4dc61fe8c545a5d6a68b63616776556b771f51 , < 741ea2670e021350e54f491106bdaa22dc50e6a0 (git)
Affected: ba4dc61fe8c545a5d6a68b63616776556b771f51 , < 2725925982dc96a78069cd118ea3d66759bfdad7 (git)
Affected: ba4dc61fe8c545a5d6a68b63616776556b771f51 , < 829f13d6079cf7a2465522f39acb43033e9b320d (git)
Affected: ba4dc61fe8c545a5d6a68b63616776556b771f51 , < 8657158a3b68c85234e6da3d8eae33d6183588b7 (git)
Affected: ba4dc61fe8c545a5d6a68b63616776556b771f51 , < 5f6a309a699675680df15d9b6d389114515b4426 (git)
Affected: ba4dc61fe8c545a5d6a68b63616776556b771f51 , < 0a9c36a2e06a249acbed64e8e0b84637c2ad7575 (git)
Affected: ba4dc61fe8c545a5d6a68b63616776556b771f51 , < a89936cce87d60766a75732a9e7e25c51164f47c (git)
Create a notification for this product.
    Linux Linux Affected: 3.5
Unaffected: 0 , < 3.5 (semver)
Unaffected: 4.4.286 , ≤ 4.4.* (semver)
Unaffected: 4.9.285 , ≤ 4.9.* (semver)
Unaffected: 4.14.249 , ≤ 4.14.* (semver)
Unaffected: 4.19.209 , ≤ 4.19.* (semver)
Unaffected: 5.4.151 , ≤ 5.4.* (semver)
Unaffected: 5.10.71 , ≤ 5.10.* (semver)
Unaffected: 5.14.10 , ≤ 5.14.* (semver)
Unaffected: 5.15 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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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.