CVE-2022-1043

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.

Affected

Kernel

CVSS v3.1 NVD

8.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS

3.86% chance of exploitation in the next 30 days, 90th percentile

Published

2022-08-29

Updated

2024-08-02

Proof-of-concept exploits (1)

• http://packetstormsecurity.com/files/170834/io_uring-Same-Type-Object-Reuse-Privilege-Esc…

Metasploit modules (1)

• rapid7/metasploit-framework/blob/master/modules/exploits/linux/local/cve_2022_1043_io_uri…

Security advisories

• https://access.redhat.com/security/cve/CVE-2022-1043
• https://bugzilla.redhat.com/show_bug.cgi?id=1997328
• torvalds/linux/commit/a30f895ad3239f45012e860d4f94c1a388b36d14
• https://www.zerodayinitiative.com/advisories/ZDI-22-362

References

• CVE Record
• NVD entry