CVE-2021-47518 (GCVE-0-2021-47518)

Vulnerability from cvelistv5 – Published: 2024-05-24 15:09 – Updated: 2026-05-11 13:56
VLAI?
Title
nfc: fix potential NULL pointer deref in nfc_genl_dump_ses_done
Summary
In the Linux kernel, the following vulnerability has been resolved: nfc: fix potential NULL pointer deref in nfc_genl_dump_ses_done The done() netlink callback nfc_genl_dump_ses_done() should check if received argument is non-NULL, because its allocation could fail earlier in dumpit() (nfc_genl_dump_ses()).
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: ac22ac466a659f1b2e02a2e2ee23fc5c42da2c95 , < 87cdb8789c38e44ae5454aafe277997c950d00ed (git)
Affected: ac22ac466a659f1b2e02a2e2ee23fc5c42da2c95 , < 69bb79a8f5bb9f436b6f1434ca9742591b7bbe18 (git)
Affected: ac22ac466a659f1b2e02a2e2ee23fc5c42da2c95 , < 811a7576747760bcaf60502f096d1e6e91d566fa (git)
Affected: ac22ac466a659f1b2e02a2e2ee23fc5c42da2c95 , < 3b861a40325eac9c4c13b6c53874ad90617e944d (git)
Affected: ac22ac466a659f1b2e02a2e2ee23fc5c42da2c95 , < 48fcd08fdbe05e35b650a252ec2a2d96057a1c7a (git)
Affected: ac22ac466a659f1b2e02a2e2ee23fc5c42da2c95 , < 83ea620a1be840bf05089a5061fb8323ca42f38c (git)
Affected: ac22ac466a659f1b2e02a2e2ee23fc5c42da2c95 , < fae9705d281091254d4a81fa2da9d22346097dca (git)
Affected: ac22ac466a659f1b2e02a2e2ee23fc5c42da2c95 , < 4cd8371a234d051f9c9557fcbb1f8c523b1c0d10 (git)
Create a notification for this product.
Linux Linux Affected: 3.12
Unaffected: 0 , < 3.12 (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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  }
}


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Taxonomy of the tags.




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.