VulnerabilityModified
CVE-2022-2602
io_uring UAF, Unix SCM garbage collection
HIGH 7.0EPSS 1.43%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.43%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
io_uring UAF, Unix SCM garbage collection
- CVSS 3.1
- 7.0 HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.43% probability · 73th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- linux/linux kernel · canonical/ubuntu linux
- Source
- security@ubuntu.com
EPSS 1.4% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://packetstormsecurity.com/files/176533/Linux-Broken-Unix-GC-Interaction-Use-After-Free.html
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2602Third Party Advisory
- https://ubuntu.com/security/notices/USN-5691-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5692-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5693-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5700-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5752-1Third Party Advisory
- http://packetstormsecurity.com/files/176533/Linux-Broken-Unix-GC-Interaction-Use-After-Free.html
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2602Third Party Advisory
- https://ubuntu.com/security/notices/USN-5691-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5692-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5693-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5700-1Third Party Advisory
- https://ubuntu.com/security/notices/USN-5752-1Third Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.