What is the severity of CVE-2022-1043?

CVE-2022-1043 has a high severity rating due to its potential to allow privilege escalation and system crashes.

How do I fix CVE-2022-1043?

To fix CVE-2022-1043, ensure that your Linux kernel is updated to version 5.14 or later.

What versions of the Linux kernel are affected by CVE-2022-1043?

CVE-2022-1043 affects Linux kernel versions prior to 5.10.51, between 5.10.51 and 5.10.61, and between 5.11 and 5.13.13.

Can CVE-2022-1043 be exploited remotely?

CVE-2022-1043 cannot be exploited remotely as it requires local access to the system.

What types of attacks does CVE-2022-1043 enable?

CVE-2022-1043 enables attacks that can corrupt system memory, crash the system, or escalate privileges.

Vulnerability/
CVE-2022-1043

high

8.8

CWE

416

25/8/2021

29/8/2022

2/8/2024

29/1/2025

CVE-2022-1043: Linux Kernel io_uring Use-After-Free Privilege Escalation Vulnerability

First published: Wed Aug 25 2021(Updated: )

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.

Credit: secalert@redhat.com

Affected Software	Affected Version	How to fix
redhat/kernel	<5.14	5.14
Linux Kernel	>=5.10.51<5.10.61
Linux Kernel	>=5.11<5.13.13
Linux kernel

Remedy

https://github.com/torvalds/linux/commit/a30f895ad3239f45012e860d4f94c1a388b36d14

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is the severity of CVE-2022-1043?
CVE-2022-1043 has a high severity rating due to its potential to allow privilege escalation and system crashes.
How do I fix CVE-2022-1043?
To fix CVE-2022-1043, ensure that your Linux kernel is updated to version 5.14 or later.
What versions of the Linux kernel are affected by CVE-2022-1043?
CVE-2022-1043 affects Linux kernel versions prior to 5.10.51, between 5.10.51 and 5.10.61, and between 5.11 and 5.13.13.
Can CVE-2022-1043 be exploited remotely?
CVE-2022-1043 cannot be exploited remotely as it requires local access to the system.
What types of attacks does CVE-2022-1043 enable?
CVE-2022-1043 enables attacks that can corrupt system memory, crash the system, or escalate privileges.

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version/linux kernel/5.11

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Contact

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Frequently Asked Questions

What is the severity of CVE-2022-1043?
CVE-2022-1043 has a high severity rating due to its potential to allow privilege escalation and system crashes.
How do I fix CVE-2022-1043?
To fix CVE-2022-1043, ensure that your Linux kernel is updated to version 5.14 or later.
What versions of the Linux kernel are affected by CVE-2022-1043?
CVE-2022-1043 affects Linux kernel versions prior to 5.10.51, between 5.10.51 and 5.10.61, and between 5.11 and 5.13.13.
Can CVE-2022-1043 be exploited remotely?
CVE-2022-1043 cannot be exploited remotely as it requires local access to the system.
What types of attacks does CVE-2022-1043 enable?
CVE-2022-1043 enables attacks that can corrupt system memory, crash the system, or escalate privileges.