Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.3, < 5.4.258 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/0d520cdb0cd095eac5d00078dfd318408c9b5eedPatch
- https://git.kernel.org/stable/c/53a3f777049771496f791504e7dc8ef017cba590Patch
- https://git.kernel.org/stable/c/5cf38e638e5d01b68f9133968a85e8b3fd1ecf2fPatch
- https://git.kernel.org/stable/c/6e26812e289b374c17677d238164a5a8f5770594Patch
- https://git.kernel.org/stable/c/81b7bf367eea795d259d0261710c6a89f548844dPatch
- https://git.kernel.org/stable/c/eeafc50a77f6a783c2c44e7ec3674a7b693e06f8Patch
- https://git.kernel.org/stable/c/0d520cdb0cd095eac5d00078dfd318408c9b5eedPatch
- https://git.kernel.org/stable/c/53a3f777049771496f791504e7dc8ef017cba590Patch
- https://git.kernel.org/stable/c/5cf38e638e5d01b68f9133968a85e8b3fd1ecf2fPatch
- https://git.kernel.org/stable/c/6e26812e289b374c17677d238164a5a8f5770594Patch
- https://git.kernel.org/stable/c/81b7bf367eea795d259d0261710c6a89f548844dPatch
- https://git.kernel.org/stable/c/eeafc50a77f6a783c2c44e7ec3674a7b693e06f8Patch
FAQ
What is CVE-2023-52513?
CVE-2023-52513 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 l...
How severe is CVE-2023-52513?
CVE-2023-52513 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-52513?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.