CVE-2023-53218 Details
Description
In the Linux kernel, the following vulnerability has been resolved: rxrpc: Make it so that a waiting process can be aborted When sendmsg() creates an rxrpc call, it queues it to wait for a connection and channel to be assigned and then waits before it can start shovelling data as the encrypted DATA packet content includes a summary of the connection parameters. However, sendmsg() may get interrupted before a connection gets assigned and further sendmsg() calls will fail with EBUSY until an assignment is made. Fix this so that the call can at least be aborted without failing on EBUSY. We have to be careful here as sendmsg() mustn't be allowed to start the call timer if the call doesn't yet have a connection assigned as an oops may follow shortly thereafter.
A vulnerability in the Linux kernel's Rxrpc implementation allows a waiting process to be aborted without encountering an EBUSY error. When the sendmsg() function initiates an Rxrpc call, it must wait for a connection to be established before transmitting data. If sendmsg() is interrupted before this connection is assigned, subsequent sendmsg() calls will fail with EBUSY until a connection is made. This vulnerability has been addressed by allowing the sendmsg() call to be aborted without returning an EBUSY error, while ensuring that the call timer does not start before a connection is assigned, to avoid potential errors.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jan 14, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://git.kernel.org/stable/c/0eb362d254814ce04848730bf32e75b8ee1a4d6c | kernel.org | Patch |
| https://git.kernel.org/stable/c/7161cf61c64e9e9413d790f2fa2b9dada71a2249 | kernel.org | Patch |
| https://git.kernel.org/stable/c/876d96faacbc407daf4978d7ec95051b68f5344a | kernel.org | Patch |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| NVD-CWE-noinfo | Insufficient Information to Classify Weakness | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| linux linux kernel | >= 4.11, < 6.2.16 >= 6.3, < 6.3.3 |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | kernel.org |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jan 14, 2026 | CVE Modified | CISA-ADP |
| Dec 3, 2025 | Initial Analysis | [email protected] |
| Sep 15, 2025 | New CVE Received | kernel.org |