CVE-2023-1032 — Double Free in Linux Kernel Organization Linux

CWE-415 — Double FreeCWE-409 — Improper Handling of Highly Compressed Data (Data Amplification)CWE-772 — Missing Release of Resource after Effective Lifetime14 documents9 sources
Severity
5.5MEDIUMNVD
CNA4.7
EPSS
0.0%
top 98.51%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
THE Linux Kernel Organization LinuxLinux KernelCanonical Ubuntu Linux
Timeline
PublishedJan 8
Latest updateDec 30

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages3 packages

▶NVDlinux/linux_kernel5.19 — 6.3+1
▶Debianlinux/linux_kernel< 6.1.20-1+2

Also affects: Ubuntu Linux 22.04, 22.10

🔴Vulnerability Details

5
OSV
serial: 8250_bcm7271: fix leak in `brcmuart_probe`↗2025-12-30
▶
CVEList
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↗2024-01-08
▶
GHSA
GHSA-5f35-x73c-jq69: The Linux kernel io_uring IORING_OP_SOCKET operation contained a double free in function __sys_socket_file() in file net/socket↗2024-01-08
▶
OSV
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↗2024-01-08
▶
GHSA
gosaml2 vulnerable to Denial Of Service Via Deflate Decompression Bomb↗2023-03-02
▶

📋Vendor Advisories

7
Red Hat
kernel: serial: 8250_bcm7271: fix leak in `brcmuart_probe`↗2025-12-30
▶
Ubuntu
Linux kernel vulnerabilities↗2023-04-19
▶
Ubuntu
Linux kernel (OEM) vulnerabilities↗2023-04-19
▶
Ubuntu
Linux kernel (OEM) vulnerabilities↗2023-03-27
▶
Red Hat
kernel: io_uring IORING_OP_SOCKET double free↗2023-03-13
▶
CVE-2023-1032 — Double Free | cvebase