CVE-2023-1032
CVE-2023-1032 is a medium-severity vulnerability in Linux Linux Kernel with a CVSS 3.x base score of 4.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-415.
Key facts
- Severity: Medium (CVSS 3.x base score 4.7)
- EPSS exploit prediction: 0% (19th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2023-23324
- Weakness: CWE-415
- Affected product: Linux Linux Kernel
- Published:
- Last modified:
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.
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.
- How severe is CVE-2023-1032?
- CVE-2023-1032 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability high.
- Is CVE-2023-1032 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-1032?
- CVE-2023-1032 primarily affects Linux Linux Kernel. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2023-1032?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2023-1032 have an EU (EUVD) identifier?
- Yes. CVE-2023-1032 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-23324.
- When was CVE-2023-1032 published?
- CVE-2023-1032 was published on 2024-01-08 and last updated on 2026-06-17.
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
Affected products (4)
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.3:rc1:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:22.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:22.10:*:*:*:-:*:*:*
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