Double Free in Linux Kernel
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.
Vulnerability class: Double Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:H.
EPSS exploit prediction
EPSS: 0.003 (17.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 17.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Linux Kernel — versions 6.3
- The Linux Kernel Organization — versions 0
- Canonical Ubuntu Linux — versions 22.04, 22.10
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.openwall.com/lists/oss-security/2023/03/13/2 (issue-tracking, Mailing List, Third Party Advisory)
- cve.mitre.org/cgi-bin/cvename.cgi (issue-tracking, Third Party Advisory)
- ubuntu.com/security/notices/USN-6033-1 (Third Party Advisory, third-party-advisory)
- ubuntu.com/security/notices/USN-6024-1 (Third Party Advisory, third-party-advisory)
- ubuntu.com/security/notices/USN-5977-1 (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2023-1032?
- CVE-2023-1032 is a medium-severity vulnerability in Linux Kernel, classified under Double Free. CVSS score: 4.7/10. Published 2024-01-08.
- How severe is CVE-2023-1032?
- Medium severity. CVSS v3 base score is 4.7 out of 10.
- Is CVE-2023-1032 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.