HIGH
CVE-2022-1116
CWE-190Published: May 17, 2022· Updated: Jun 17, 2026
7.8
CVSS v3.1
Official Description
Integer Overflow or Wraparound vulnerability in io_uring of Linux Kernel allows local attacker to cause memory corruption and escalate privileges to root. This issue affects: Linux Kernel versions prior to 5.4.189; version 5.4.24 and later versions.
Technical Analysis
CVE-2022-1116 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Vendors & Products
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (8)
→
http://packetstormsecurity.com/files/167386/Kernel-Live-Patch-Security-Notice-LSN-0086-1.htmlThird Party Advisory · VDB Entry
→
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/fs/io_uring.c?h=v5.4.189&id=1a623d361ffe5cecd4244a02f449528416360038Exploit · Mailing List · Vendor Advisory
→
https://kernel.dance/#1a623d361ffe5cecd4244a02f449528416360038Patch · Third Party Advisory
→
https://security.netapp.com/advisory/ntap-20220629-0004/Third Party Advisory
→
http://packetstormsecurity.com/files/167386/Kernel-Live-Patch-Security-Notice-LSN-0086-1.htmlThird Party Advisory · VDB Entry
→
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/fs/io_uring.c?h=v5.4.189&id=1a623d361ffe5cecd4244a02f449528416360038Exploit · Mailing List · Vendor Advisory
→
https://kernel.dance/#1a623d361ffe5cecd4244a02f449528416360038Patch · Third Party Advisory
→
https://security.netapp.com/advisory/ntap-20220629-0004/Third Party Advisory
Quick Facts
CVE IDCVE-2022-1116
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-190
CISA KEVNo
Affected2 vendor(s)
PublishedMay 17, 2022
Related CVEs (CWE-190)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-1116 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.