CVE-2023-52735 (GCVE-0-2023-52735)

Vulnerability from cvelistv5 – Published: 2024-05-21 15:22 – Updated: 2025-07-30 13:34
VLAI?
Title
bpf, sockmap: Don't let sock_map_{close,destroy,unhash} call itself
Summary
In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Don't let sock_map_{close,destroy,unhash} call itself sock_map proto callbacks should never call themselves by design. Protect against bugs like [1] and break out of the recursive loop to avoid a stack overflow in favor of a resource leak. [1] https://lore.kernel.org/all/00000000000073b14905ef2e7401@google.com/
Severity ?
9.1 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CWE
  • CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: c5cc0d23c5414d23438c5024890e367cc5a0e645 , < f312367f5246e04df564d341044286e9e37a97ba (git)
Affected: c5d2177a72a1659554922728fc407f59950aa929 , < 7499859881488da97589f3c79cc66fa75748ad49 (git)
Affected: c5d2177a72a1659554922728fc407f59950aa929 , < 5b4a79ba65a1ab479903fff2e604865d229b70a9 (git)
Affected: 0580e47c8895a4d61ee095f086cba1ded7ca5e7f (git)
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    Linux Linux Affected: 5.16
Unaffected: 0 , < 5.16 (semver)
Unaffected: 5.15.95 , ≤ 5.15.* (semver)
Unaffected: 6.1.13 , ≤ 6.1.* (semver)
Unaffected: 6.2 , ≤ * (original_commit_for_fix)
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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.