CVE-2024-27396 (GCVE-0-2024-27396)

Vulnerability from cvelistv5 – Published: 2024-05-09 16:37 – Updated: 2026-05-23 15:42
VLAI
Title
net: gtp: Fix Use-After-Free in gtp_dellink
Summary
In the Linux kernel, the following vulnerability has been resolved: net: gtp: Fix Use-After-Free in gtp_dellink Since call_rcu, which is called in the hlist_for_each_entry_rcu traversal of gtp_dellink, is not part of the RCU read critical section, it is possible that the RCU grace period will pass during the traversal and the key will be free. To prevent this, it should be changed to hlist_for_each_entry_safe.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 043a283d24f40fea4c8a8d06b0e2694c8e372200 , < 07b20d0a3dc13fb1adff10b60021a4924498da58 (git)
Affected: c185e1d6e2752a4b656c3ca878c525fa11f55757 , < 718df1bc226c383dd803397d7f5d95557eb81ac7 (git)
Affected: 94dc550a5062030569d4aa76e10e50c8fc001930 , < 0caff3e6390f840666b8dc1ecebf985c2ef3f1dd (git)
Affected: 94dc550a5062030569d4aa76e10e50c8fc001930 , < 2e74b3fd6bf542349758f283676dff3660327c07 (git)
Affected: 94dc550a5062030569d4aa76e10e50c8fc001930 , < 25a1c2d4b1fcf938356a9688a96a6456abd44b29 (git)
Affected: 94dc550a5062030569d4aa76e10e50c8fc001930 , < 2aacd4de45477582993f8a8abb9505a06426bfb6 (git)
Affected: 94dc550a5062030569d4aa76e10e50c8fc001930 , < cd957d1716ec979d8f5bf38fc659aeb9fdaa2474 (git)
Affected: 94dc550a5062030569d4aa76e10e50c8fc001930 , < f2a904107ee2b647bb7794a1a82b67740d7c8a64 (git)
Affected: a29c4303930bc0c25ae6a4f365dcdef71447b4ea (git)
Affected: 4.19.93 , < 4.19.313 (semver)
Affected: 5.4.8 , < 5.4.275 (semver)
Affected: 4.14.162 , < 4.15 (semver)
Create a notification for this product.
Linux Linux Affected: 5.5
Unaffected: 0 , < 5.5 (semver)
Unaffected: 4.19.313 , ≤ 4.19.* (semver)
Unaffected: 5.4.275 , ≤ 5.4.* (semver)
Unaffected: 5.10.216 , ≤ 5.10.* (semver)
Unaffected: 5.15.158 , ≤ 5.15.* (semver)
Unaffected: 6.1.90 , ≤ 6.1.* (semver)
Unaffected: 6.6.30 , ≤ 6.6.* (semver)
Unaffected: 6.8.9 , ≤ 6.8.* (semver)
Unaffected: 6.9 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website
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{\"url\": \"https://git.kernel.org/stable/c/0caff3e6390f840666b8dc1ecebf985c2ef3f1dd\"}, {\"url\": \"https://git.kernel.org/stable/c/2e74b3fd6bf542349758f283676dff3660327c07\"}, {\"url\": \"https://git.kernel.org/stable/c/25a1c2d4b1fcf938356a9688a96a6456abd44b29\"}, {\"url\": \"https://git.kernel.org/stable/c/2aacd4de45477582993f8a8abb9505a06426bfb6\"}, {\"url\": \"https://git.kernel.org/stable/c/cd957d1716ec979d8f5bf38fc659aeb9fdaa2474\"}, {\"url\": \"https://git.kernel.org/stable/c/f2a904107ee2b647bb7794a1a82b67740d7c8a64\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet: gtp: Fix Use-After-Free in gtp_dellink\\n\\nSince call_rcu, which is called in the hlist_for_each_entry_rcu traversal\\nof gtp_dellink, is not part of the RCU read critical section, it\\nis possible that the RCU grace period will pass during the traversal and\\nthe key will be free.\\n\\nTo prevent this, it should be changed to hlist_for_each_entry_safe.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.313\", \"versionStartIncluding\": \"4.19.93\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.275\", \"versionStartIncluding\": \"5.4.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.216\", \"versionStartIncluding\": \"5.5\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.158\", \"versionStartIncluding\": \"5.5\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.90\", \"versionStartIncluding\": \"5.5\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.30\", \"versionStartIncluding\": \"5.5\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.8.9\", \"versionStartIncluding\": \"5.5\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.9\", \"versionStartIncluding\": \"5.5\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionStartIncluding\": \"4.14.162\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-23T15:42:07.240Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-27396\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-23T15:42:07.240Z\", \"dateReserved\": \"2024-02-25T13:47:42.677Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-09T16:37:18.867Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Tags
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.