CVE-2023-1032: linux kernel Double Free (CVSS 4.7)

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.

Is your site exposed to CVE-2023-1032?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

4.7

MEDIUM

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:H

Weakness Type (CWE)

CWE-415 CWE-415

Affected Products

Vendor	Product	Versions
linux	linux_kernel	5.19 — 6.3
linux	linux_kernel	All
canonical	ubuntu_linux	All
canonical	ubuntu_linux	All

References

Other References

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

Frequently Asked Questions

What is 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. This issue was introduced in da214a475f8bd1d3e9e7a19ddfeb4d1617551bab and fixed in 649c15c7691e9b13cbe9bf6c65c365350e056067. It has a CVSS v3.1 base score of 4.7 (MEDIUM).

How severe is CVE-2023-1032? +

CVE-2023-1032 has a CVSS v3.1 score of 4.7 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2023-1032? +

CVE-2023-1032 affects products from canonical, linux, specifically: linux_kernel, ubuntu_linux. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-1032? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-12659

A denial-of-service security issue exists in the affected products. The security issue stems from improper handling of exceptional conditions when …

CVE-2025-2027

A double free vulnerability has been identified in the ASUS System Analysis service. This vulnerability can be triggered by sending …

CVE-2025-8058

The regcomp function in the GNU C library version from 2.4 to 2.41 is subject to a double free if …

CVE-2026-11388

Double Free vulnerability in RTI Connext Professional (Core Libraries) allows File Manipulation. This issue affects Connext Professional: from 7.4.0 before …

CVE-2026-19316

A double-free vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to create a Denial of …

CVE-2026-17573

A double free vulnerability was discovered in the HDF5 library. Processing a crafted HDF5 file containing an oversized chunk size …

CVE-2023-1032