CVE-2022-41218

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.80% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 53.8% of scored records. A rank, not a probability.

NVD base score

5.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2022-09-21 00:00Z3 YR AGO

Last updated

2025-05-28 15:28Z1 YR AGO

Reserved

2022-09-21

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Medium (CVSS 5.5)

CNA CVSS vector

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

Weaknesses

• CWE-416Use After FreeVariant

Data version

5.1

Document digest

baa3a33672b4ea3845cec3a3cd81bd77d2dbb2674282cf7383c993f275fe84de

• lore.kernel.orghttps://lore.kernel.org/all/20220908132754.30532-1-tiwai%40suse.de/
• git.kernel.orghttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/drivers/media/dvb-core/dmxdev.c
• www.openwall.com[oss-security] 20220923 CVE-2022-41218: Linux dvb-core: UAF in dvb-core/dmxdevhttp://www.openwall.com/lists/oss-security/2022/09/23/4mailing-list
• www.openwall.com[oss-security] 20220923 Re: [Report v2] CVE-2022-41218: Linux dvb-core: UAF in dvb-core/dmxdevhttp://www.openwall.com/lists/oss-security/2022/09/24/2mailing-list
• www.openwall.com[oss-security] 20220923 [Report v2] CVE-2022-41218: Linux dvb-core: UAF in dvb-core/dmxdevhttp://www.openwall.com/lists/oss-security/2022/09/24/1mailing-list
• www.debian.orgDSA-5324https://www.debian.org/security/2023/dsa-5324vendor-advisory
• lists.debian.org[debian-lts-announce] 20230302 [SECURITY] [DLA 3349-1] linux-5.10 security updatehttps://lists.debian.org/debian-lts-announce/2023/03/msg00000.htmlmailing-list
• lists.debian.org[debian-lts-announce] 20230503 [SECURITY] [DLA 3403-1] linux security updatehttps://lists.debian.org/debian-lts-announce/2023/05/msg00006.htmlmailing-list
• git.kernel.orghttps://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fd3d91ab1c6ab0628fe642dd570b56302c30a792