CVE-2024-50262 (GCVE-0-2024-50262)

Vulnerability from cvelistv5 – Published: 2024-11-09 10:17 – Updated: 2025-11-03 22:27
VLAI?
Title
bpf: Fix out-of-bounds write in trie_get_next_key()
Summary
In the Linux kernel, the following vulnerability has been resolved: bpf: Fix out-of-bounds write in trie_get_next_key() trie_get_next_key() allocates a node stack with size trie->max_prefixlen, while it writes (trie->max_prefixlen + 1) nodes to the stack when it has full paths from the root to leaves. For example, consider a trie with max_prefixlen is 8, and the nodes with key 0x00/0, 0x00/1, 0x00/2, ... 0x00/8 inserted. Subsequent calls to trie_get_next_key with _key with .prefixlen = 8 make 9 nodes be written on the node stack with size 8.
Severity ?
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: b471f2f1de8b816f1e799b80aa92588f3566e4bd , < e8494ac079814a53fbc2258d2743e720907488ed (git)
Affected: b471f2f1de8b816f1e799b80aa92588f3566e4bd , < 91afbc0eb3c90258ae378ae3c6ead3d2371e926d (git)
Affected: b471f2f1de8b816f1e799b80aa92588f3566e4bd , < 590976f921723d53ac199c01d5b7b73a94875e68 (git)
Affected: b471f2f1de8b816f1e799b80aa92588f3566e4bd , < 86c8ebe02d8806dd8878d0063e8e185622ab6ea6 (git)
Affected: b471f2f1de8b816f1e799b80aa92588f3566e4bd , < a035df0b98df424559fd383e8e1a268f422ea2ba (git)
Affected: b471f2f1de8b816f1e799b80aa92588f3566e4bd , < 90a6e0e1e151ef7a9282e78f54c3091de2dcc99c (git)
Affected: b471f2f1de8b816f1e799b80aa92588f3566e4bd , < c4b4f9a9ab82238cb158fa4fe61a8c0ae21a4980 (git)
Affected: b471f2f1de8b816f1e799b80aa92588f3566e4bd , < 13400ac8fb80c57c2bfb12ebd35ee121ce9b4d21 (git)
Create a notification for this product.
    Linux Linux Affected: 4.16
Unaffected: 0 , < 4.16 (semver)
Unaffected: 4.19.323 , ≤ 4.19.* (semver)
Unaffected: 5.4.285 , ≤ 5.4.* (semver)
Unaffected: 5.10.229 , ≤ 5.10.* (semver)
Unaffected: 5.15.171 , ≤ 5.15.* (semver)
Unaffected: 6.1.116 , ≤ 6.1.* (semver)
Unaffected: 6.6.60 , ≤ 6.6.* (semver)
Unaffected: 6.11.7 , ≤ 6.11.* (semver)
Unaffected: 6.12 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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  }
}


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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.