CVE-2023-1032 — The Linux kernel io_uring IORING_OP_SOCKET operation contained a double free in
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.
Published
2024-01-08T18:11:31.951Z
Last modified
2024-08-27T15:48:22.031Z
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:H
01What is this vulnerability?
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.
02Affected products
| Vendor | Product | Versions |
|---|
| The Linux Kernel Organization | linux | 0 |
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2024-01-08T18:11:31.951Z
- Last modified: 2024-08-27T15:48:22.031Z
09References
- www.openwall.com — https://www.openwall.com/lists/oss-security/2023/03/13/2
- cve.mitre.org — https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1032
- ubuntu.com — https://ubuntu.com/security/notices/USN-6033-1
- ubuntu.com — https://ubuntu.com/security/notices/USN-6024-1
- ubuntu.com — https://ubuntu.com/security/notices/USN-5977-1
Want this in your SOAR or SIEM?
SARA's API returns EPSS, CVSS, KEV, and an analyst-grade summary in one call.
Read the API reference →