What is CVE-2022-1043?

CVE-2022-1043 is a High severity Linux kernel vulnerability with a CVSS score of 8.8 out of 10, classified as a Use After Free flaw (CWE-416). CVE-2022-1043 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-1043?

CVE-2022-1043 has a CVSS score of 8.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Is there a patch available for CVE-2022-1043?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2022-1043 patch availability.

Is CVE-2022-1043 actively exploited?

CVE-2022-1043 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Use After Free (CWE-416)?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/416.html

CVE-2022-1043

High

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.

Package Linux Kernel

Published 2022-08-29

Last modified 2024-11-21

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

8.8

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Weakness type

CWE-416

CVE-2022-1043 is a Use After Free vulnerability

What is Use After Free?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. Learn more on MITRE CWE

References

5 total

Packet Storm
http://packetstormsecurity.com/files/170834/io_uring-Same-Type-Object-Reuse-Privilege-Escalation.html

Exploit Third Party Advisory VDB Entry
GitHub
https://github.com/torvalds/linux/commit/a30f895ad3239f45012e860d4f94c1a388b36d14

Patch Third Party Advisory
Red Hat
https://access.redhat.com/security/cve/CVE-2022-1043

Third Party Advisory
Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=1997328

Issue Tracking Third Party Advisory
Zerodayinitiative
https://www.zerodayinitiative.com/advisories/ZDI-22-362/

Third Party Advisory VDB Entry

Details

CVE ID CVE-2022-1043

Severity High

CVSS score 8.8 / 10

CVSS version 3.1

Published 2022-08-29

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2022-1043?

CVE-2022-1043 is a High severity Linux kernel vulnerability with a CVSS score of 8.8 out of 10 , classified as an Use After Free flaw (CWE-416) . CVE-2022-1043 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-1043?

CVE-2022-1043 has a CVSS score of 8.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
Is there a patch available for CVE-2022-1043?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2022-1043 patch availability.
Is CVE-2022-1043 actively exploited?

No. CVE-2022-1043 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.