Use After Free in Linux Kernel
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.
Vulnerability class: Use-After-Free
EPSS: 0.037 (88.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Linux Linux_kernel
- N/a Kernel — versions Fixed in kernel v5.14 rc7
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (Third Party Advisory, Issue Tracking)
- secalert@redhat.com (VDB Entry, Third Party Advisory)
- secalert@redhat.com (Patch, Third Party Advisory)
- secalert@redhat.com (Third Party Advisory)
- secalert@redhat.com (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-1043?
- CVE-2022-1043 is a high-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 8.8/10. Published 2022-08-29.
- How severe is CVE-2022-1043?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2022-1043 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.