CVE-2023-52513 (GCVE-0-2023-52513)

Vulnerability from cvelistv5 – Published: 2024-03-02 21:52 – Updated: 2025-05-04 07:38
VLAI?
Title
RDMA/siw: Fix connection failure handling
Summary
In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: Fix connection failure handling In case immediate MPA request processing fails, the newly created endpoint unlinks the listening endpoint and is ready to be dropped. This special case was not handled correctly by the code handling the later TCP socket close, causing a NULL dereference crash in siw_cm_work_handler() when dereferencing a NULL listener. We now also cancel the useless MPA timeout, if immediate MPA request processing fails. This patch furthermore simplifies MPA processing in general: Scheduling a useless TCP socket read in sk_data_ready() upcall is now surpressed, if the socket is already moved out of TCP_ESTABLISHED state.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 6c52fdc244b5ccc468006fd65a504d4ee33743c7 , < 6e26812e289b374c17677d238164a5a8f5770594 (git)
Affected: 6c52fdc244b5ccc468006fd65a504d4ee33743c7 , < 0d520cdb0cd095eac5d00078dfd318408c9b5eed (git)
Affected: 6c52fdc244b5ccc468006fd65a504d4ee33743c7 , < 81b7bf367eea795d259d0261710c6a89f548844d (git)
Affected: 6c52fdc244b5ccc468006fd65a504d4ee33743c7 , < 5cf38e638e5d01b68f9133968a85e8b3fd1ecf2f (git)
Affected: 6c52fdc244b5ccc468006fd65a504d4ee33743c7 , < eeafc50a77f6a783c2c44e7ec3674a7b693e06f8 (git)
Affected: 6c52fdc244b5ccc468006fd65a504d4ee33743c7 , < 53a3f777049771496f791504e7dc8ef017cba590 (git)
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    Linux Linux Affected: 5.3
Unaffected: 0 , < 5.3 (semver)
Unaffected: 5.4.258 , ≤ 5.4.* (semver)
Unaffected: 5.10.198 , ≤ 5.10.* (semver)
Unaffected: 5.15.135 , ≤ 5.15.* (semver)
Unaffected: 6.1.57 , ≤ 6.1.* (semver)
Unaffected: 6.5.7 , ≤ 6.5.* (semver)
Unaffected: 6.6 , ≤ * (original_commit_for_fix)
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  • 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.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • 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.



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