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CVE-2021-47310 (GCVE-0-2021-47310)

Vulnerability from cvelistv5 – Published: 2024-05-21 14:35 – Updated: 2026-05-11 13:52
VLAI
Title
net: ti: fix UAF in tlan_remove_one
Summary
In the Linux kernel, the following vulnerability has been resolved: net: ti: fix UAF in tlan_remove_one priv is netdev private data and it cannot be used after free_netdev() call. Using priv after free_netdev() can cause UAF bug. Fix it by moving free_netdev() at the end of the function.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-05-21 15:35 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 1e0a8b13d35510e711fdf72e9a3e30bcb2bd49fa , < a18a8d9cfbb112ad72e625372849adc3986fd6bf (git)
Affected: 1e0a8b13d35510e711fdf72e9a3e30bcb2bd49fa , < c263ae8c7e4c482387de5e6c89e213f8173fe8b6 (git)
Affected: 1e0a8b13d35510e711fdf72e9a3e30bcb2bd49fa , < 0538b0ab7d2c396e385694228c7cdcd2d2c514e9 (git)
Affected: 1e0a8b13d35510e711fdf72e9a3e30bcb2bd49fa , < a0a817b2d308fac090a05cbbe80988e073ac5193 (git)
Affected: 1e0a8b13d35510e711fdf72e9a3e30bcb2bd49fa , < b7e5563f2a7862a9e4796abb9908b092f677e3c1 (git)
Affected: 1e0a8b13d35510e711fdf72e9a3e30bcb2bd49fa , < f2a062fcfe1d6f1b0a86fa76ae21c277d65f4405 (git)
Affected: 1e0a8b13d35510e711fdf72e9a3e30bcb2bd49fa , < 93efab0ef2a607fff9166d447c4035f98b5db342 (git)
Affected: 1e0a8b13d35510e711fdf72e9a3e30bcb2bd49fa , < 0336f8ffece62f882ab3012820965a786a983f70 (git)
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Linux Linux Affected: 3.10
Unaffected: 0 , < 3.10 (semver)
Unaffected: 4.4.277 , ≤ 4.4.* (semver)
Unaffected: 4.9.277 , ≤ 4.9.* (semver)
Unaffected: 4.14.241 , ≤ 4.14.* (semver)
Unaffected: 4.19.199 , ≤ 4.19.* (semver)
Unaffected: 5.4.135 , ≤ 5.4.* (semver)
Unaffected: 5.10.53 , ≤ 5.10.* (semver)
Unaffected: 5.13.5 , ≤ 5.13.* (semver)
Unaffected: 5.14 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T11:16:52+00:00",
      "cve": "CVE-2021-47310",
      "id": "CVE-2021-47310",
      "initial_release_date": "2021-01-01T00:00:00+00:00",
      "product_status:fixed": "416",
      "product_status:known_affected": "28",
      "product_status:known_not_affected": "130",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: net: ti: fix UAF in tlan_remove_one",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-47310.json",
      "version": "3"
    },
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}



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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.