CVE-2022-1043A flaw was found in the Linux kernel’s io_uring implementation. This flaw allows an attacker with a local account to corrupt system…
- 8.8HighCVSS base score
- 3.8%Exploitation in 30 daysEPSS · top 9.7% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
Description
A flaw was found in the Linux kernel’s io_uring implementation. This flaw allows an attacker with a local account to corrupt system memory, crash the system or escalate privileges.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Metasploit module for it.
Show the exploits1
Metasploit modules1 module
- io_uring Same Type Object Reuse Priv Esc (Metasploit module) (opens in a new tab)
exploit/linux/local/cve_2022_1043_io_uring_priv_escRank greatdisclosed 22 Mar 2022
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By redhat
- 5 months later
· 5 months later
Published
- 23 months later
· 23 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High8.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 3.8% · top 9.7% of all CVEs (13 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Affected products
Kernel
- affected Fixed in kernel v5.14 rc7
References
References5
- https://bugzilla.redhat.com/show_bug.cgi?id=1997328 (opens in a new tab)x_transferred
- https://www.zerodayinitiative.com/advisories/ZDI-22-362/ (opens in a new tab)x_transferred
- https://github.com/torvalds/linux/commit/a30f895ad3239f45012e860d4f94c1a388b36d14 (opens in a new tab)x_transferred
- https://access.redhat.com/security/cve/CVE-2022-1043 (opens in a new tab)x_transferred
- http://packetstormsecurity.com/files/170834/io_uring-Same-Type-Object-Reuse-Privilege-Escalation.html (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2022-24390 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2022-1043)Record last updated .