CVE-2022-41218

MEDIUMNVD 5.55.5—Elevated

5.5

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.

CVSS v3: 5.5
EG Score: 5.5(medium)
EPSS: 64.0%
KEV: Not listed

Published

September 21, 2022

Last Modified

May 28, 2025

References (18)

cve@mitrehttp://www.openwall.com/lists/oss-security/2022/09/23/4
cve@mitrehttp://www.openwall.com/lists/oss-security/2022/09/24/1
cve@mitrehttp://www.openwall.com/lists/oss-security/2022/09/24/2
cve@mitrehttps://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fd3d91ab1c6ab0628fe642dd570b56302c30a792
cve@mitrehttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/drivers/media/dvb-core/dmxdev.c
cve@mitrehttps://lists.debian.org/debian-lts-announce/2023/03/msg00000.html
cve@mitrehttps://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
cve@mitrehttps://lore.kernel.org/all/20220908132754.30532-1-tiwai%40suse.de/
cve@mitrehttps://www.debian.org/security/2023/dsa-5324
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2022/09/23/4
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2022/09/24/1
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2022/09/24/2
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fd3d91ab1c6ab0628fe642dd570b56302c30a792
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/drivers/media/dvb-core/dmxdev.c
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2023/03/msg00000.html

Patch Availability(25)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	linux-image-gcp-edge (5.4.0.1101.77) @ bionic	2026-05-25	ubuntu
ubuntu	linux-tools-raspi-hwe-18.04-edge (5.4.0.1081.78) @ bionic	2026-05-25	ubuntu
ubuntu	linux-image-raspi2-hwe-18.04 (5.4.0.1081.111) @ focal	2026-05-25	ubuntu
ubuntu	linux-modules-extra-5.4.0-1045-ibm (5.4.0-1045.50) @ focal	2026-05-25	ubuntu
ubuntu	linux-headers-azure-edge (4.15.0.1162.146) @ xenial	2026-05-25	ubuntu
ubuntu	linux-tools-4.15.0-208-generic (4.15.0-208.219~16.04.1) @ xenial	2026-05-25	ubuntu
ubuntu	linux-image-virtual-hwe-18.04-edge (5.4.0.144.142) @ focal	2026-05-25	ubuntu
ubuntu	linux-image-azure (4.15.0.1162.128) @ trusty	2026-05-25	ubuntu
ubuntu	linux-gcp-headers-5.15.0-1031 (5.15.0-1031.38) @ jammy	2026-05-25	ubuntu
ubuntu	linux-image-lowlatency (4.15.0.208.191) @ bionic	2026-05-25	ubuntu
ubuntu	linux-ibm-tools-5.15.0-1027 (5.15.0-1027.30) @ jammy	2026-05-25	ubuntu
ubuntu	linux-headers-bluefield (5.4.0.1059.54) @ focal	2026-05-25	ubuntu
ubuntu	linux-image-gcp-lts-18.04 (4.15.0.1147.161) @ bionic	2026-05-25	ubuntu
ubuntu	linux-tools-4.4.0-1155-aws (4.4.0-1155.170) @ xenial	2026-05-25	ubuntu
ubuntu	linux-gcp (4.15.0.1147.137) @ xenial	2026-05-25	ubuntu
ubuntu	linux-modules-5.15.0-1027-intel-iotg (5.15.0-1027.32) @ jammy	2026-05-25	ubuntu
ubuntu	linux-image-4.4.0-1117-aws (4.4.0-1117.123) @ trusty	2026-05-25	ubuntu
ubuntu	linux-tools-4.4.0-239-lowlatency (4.4.0-239.273) @ xenial	2026-05-25	ubuntu
ubuntu	linux-image-lowlatency (5.19.0.1022.18) @ kinetic	2026-05-25	ubuntu
ubuntu	linux-snapdragon-headers-4.15.0-1148 (4.15.0-1148.158) @ bionic	2026-05-25	ubuntu
ubuntu	linux-oem-22.04c (6.1.0.1007.7) @ jammy	2026-05-25	ubuntu
ubuntu	linux-image-azure-lts-18.04 (4.15.0.1162.130) @ bionic	2026-05-25	ubuntu
redhat	kernel-0:4.18.0-372.87.1.el8_6	2024-01-25	redhat
redhat	kernel-0:4.18.0-477.10.1.el8_8	2023-05-16	redhat
redhat	kernel-rt-0:4.18.0-477.10.1.rt7.274.el8_8	2023-05-16	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-416Use After Free

All Vendor Advisories

(25)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 11× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-08 14:15 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-05 22:46 UTCEPSS rescore
2026-06-05 22:46 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-04 13:11 UTCEPSS rescore
2026-06-02 20:12 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore
2026-05-29 13:43 UTCEPSS rescore

Frequently asked(5)

What is CVE-2022-41218?

CVE-2022-41218 is a medium vulnerability published on September 21, 2022. 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 dvbdemuxopen and dvbdmxdevrelease.

When was CVE-2022-41218 disclosed?

CVE-2022-41218 was first published in the National Vulnerability Database on September 21, 2022, with the most recent update on May 28, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-41218 actively exploited?

CVE-2022-41218 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 64.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

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

CVE-2022-41218 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2022-41218?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-41218, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-41218

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