What is CVE-2022-41218?

CVE-2022-41218 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a Use After Free flaw (CWE-416). CVE-2022-41218 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-41218?

CVE-2022-41218 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2022-41218?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2022-41218 patch availability.

Is CVE-2022-41218 actively exploited?

CVE-2022-41218 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-2022-41218

Medium

In drivers/media/dvb-core/dmxdev.c in the Linux kernel through 5.19.10, there is a use-after-free caused by refcount races, affecting dvb_demux_open and dvb_dmxdev_release.

Package Linux Kernel

Published 2022-09-21

Last modified 2025-05-28

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-416

CVE-2022-41218 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

9 total

Openwall
http://www.openwall.com/lists/oss-security/2022/09/23/4

Exploit Mailing List Third Party Advisory
Openwall
http://www.openwall.com/lists/oss-security/2022/09/24/1

Exploit Mailing List Third Party Advisory
Kernel Git
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/drivers/media/dvb-core/dmxdev.c

Vendor Advisory
Openwall
http://www.openwall.com/lists/oss-security/2022/09/24/2

Mailing List Third Party Advisory
Kernel Git
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fd3d91ab1c6ab0628fe642dd570b56302c30a792

Showing 5 of 9 references View all on NVD

Details

CVE ID CVE-2022-41218

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2022-09-21

Modified 2025-05-28

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2022-41218?

CVE-2022-41218 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as an Use After Free flaw (CWE-416) . CVE-2022-41218 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-41218?

CVE-2022-41218 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2022-41218?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2022-41218 patch availability.
Is CVE-2022-41218 actively exploited?

No. CVE-2022-41218 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.