CVE-2022-41218

Summary

CVE	CVE-2022-41218
State	PUBLISHED
Assigner	mitre
Source Priority	CVE Program / NVD first with legacy fallback
Published	2022-09-21 07:15:08 UTC
Updated	2026-10-14 18:17:05 UTC
Description	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.

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

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

EPSS: 0.008120000 probability, percentile 0.560360000 (date 2026-10-14)

Problem Types: CWE-416 | n/a | CWE-416 CWE-416 Use After Free

Version	Source	Type	Score	Severity	Vector
3.1	[email protected]	Primary	5.5	MEDIUM	`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H`
3.1	ADP	DECLARED	5.5	MEDIUM	`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H`
3.1	134c704f-9b21-4f2e-91b3-4a467353bcc0	Secondary	5.5	MEDIUM	`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H`

CVSS v3.1 Breakdown

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

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

NVD Known Affected Configurations (CPE 2.3)

Type	Vendor	Product	Version	Update	Edition	Language
Operating System	Debian	Debian Linux	11.0	All	All	All
Operating System	Linux	Linux Kernel	All	All	All	All

Vendor Declared Affected Products

Source	Vendor	Product	Version	Platforms
CNA	Na	N/a	affected n/a	Not specified
ADP	Siemens	SIMATIC S7-1500 TM MFP - GNU/Linux Subsystem	affected V1.1 custom	Not specified

References

Reference	Source	Link	Tags
[SECURITY] [DLA 3349-1] linux-5.10 security update	af854a3a-2127-422b-91ae-364da2661108	lists.debian.org
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit	af854a3a-2127-422b-91ae-364da2661108	git.kernel.org
Debian -- Security Information -- DSA-5324-1 linux	af854a3a-2127-422b-91ae-364da2661108	www.debian.org	Third Party Advisory
[SECURITY] [DLA 3403-1] linux security update	af854a3a-2127-422b-91ae-364da2661108	lists.debian.org
kernel/git/torvalds/linux.git - Linux kernel source tree	af854a3a-2127-422b-91ae-364da2661108	git.kernel.org	Vendor Advisory
cert-portal.siemens.com/productcert/html/ssa-794697.html	0b142b55-0307-4c5a-b3c9-f314f3fb7c5e	cert-portal.siemens.com
oss-security - CVE-2022-41218: Linux dvb-core: UAF in dvb-core/dmxdev	af854a3a-2127-422b-91ae-364da2661108	www.openwall.com	Exploit, Mailing List, Third Party Advisory
[PATCH] media: dvb-core: Fix UAF due to refcount races at releasing - Takashi Iwai	af854a3a-2127-422b-91ae-364da2661108	lore.kernel.org
oss-security - Re: [Report v2] CVE-2022-41218: Linux dvb-core: UAF in dvb-core/dmxdev	af854a3a-2127-422b-91ae-364da2661108	www.openwall.com	Mailing List, Third Party Advisory
oss-security - [Report v2] CVE-2022-41218: Linux dvb-core: UAF in dvb-core/dmxdev	af854a3a-2127-422b-91ae-364da2661108	www.openwall.com	Exploit, Mailing List, Third Party Advisory
[PATCH] media: dvb-core: Fix UAF due to refcount races at releasing - Takashi Iwai	MITRE	lore.kernel.org
CVE Program record	CVE.ORG	www.cve.org	canonical
NVD vulnerability detail	NVD	nvd.nist.gov	canonical, analysis

No vendor comments have been submitted for this CVE.

Legacy QID Mappings

160505 Oracle Enterprise Linux Security Update for unbreakable enterprise kernel (ELSA-2023-12196)
160506 Oracle Enterprise Linux Security Update for unbreakable enterprise kernel (ELSA-2023-12199)
160508 Oracle Enterprise Linux Security Update for unbreakable enterprise kernel-container (ELSA-2023-12200)
160515 Oracle Enterprise Linux Security Update for unbreakable enterprise kernel-container (ELSA-2023-12207)
160516 Oracle Enterprise Linux Security Update for unbreakable enterprise kernel (ELSA-2023-12206)
160692 Oracle Enterprise Linux Security Update for kernel (ELSA-2023-2951)
160818 Oracle Enterprise Linux Security Update for unbreakable enterprise kernel (ELSA-2023-12688)
181491 Debian Security Update for linux (DSA 5324-1)
181618 Debian Security Update for linux-5.10 (DLA 3349-1)
181768 Debian Security Update for linux (DLA 3403-1)
183309 Debian Security Update for linux (CVE-2022-41218)
199208 Ubuntu Security Notification for Linux kernel (OEM) Vulnerabilities (USN-5915-1)
199212 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5917-1)
199218 Ubuntu Security Notification for Linux kernel (Azure) Vulnerabilities (USN-5927-1)
199224 Ubuntu Security Notification for Linux kernel (Raspberry Pi) Vulnerabilities (USN-5934-1)
199226 Ubuntu Security Notification for Linux kernel (GCP) Vulnerabilities (USN-5939-1)
199230 Ubuntu Security Notification for Linux kernel (Raspberry Pi) Vulnerabilities (USN-5940-1)
199239 Ubuntu Security Notification for Linux kernel (IBM) Vulnerabilities (USN-5951-1)
199260 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5982-1)
199261 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5984-1)
199265 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5987-1)
199267 Ubuntu Security Notification for Linux kernel (GCP) Vulnerabilities (USN-5991-1)
199276 Ubuntu Security Notification for Linux kernel (BlueField) Vulnerabilities (USN-6000-1)
199280 Ubuntu Security Notification for Linux kernel (Intel IoTG) Vulnerabilities (USN-6004-1)
199294 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-6024-1)
199300 Ubuntu Security Notification for Linux kernel (Qualcomm Snapdragon) Vulnerabilities (USN-6030-1)
199502 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5975-1)
199541 Ubuntu Security Notification for Linux kernel (Azure) Vulnerabilities (USN-5924-1)
199560 Ubuntu Security Notification for Linux kernel (AWS) Vulnerabilities (USN-6001-1)
199568 Ubuntu Security Notification for Linux kernel (AWS) Vulnerabilities (USN-6013-1)
199570 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5981-1)
199577 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-6014-1)
199587 Ubuntu Security Notification for Linux kernel (GCP) Vulnerabilities (USN-6009-1)
241504 Red Hat Update for kernel security (RHSA-2023:2951)
241527 Red Hat Update for kernel-rt (RHSA-2023:2736)
242855 Red Hat Update for kernel (RHSA-2024:0412)
378468 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-20230042)
378473 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX2-SA-2023:0021)
378512 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-2023:0042)
390286 Oracle Managed Virtualization (VM) Server for x86 Security Update for kernel (OVMSA-2023-0018)
672747 EulerOS Security Update for kernel (EulerOS-SA-2023-1469)
672802 EulerOS Security Update for kernel (EulerOS-SA-2023-1551)
672806 EulerOS Security Update for kernel (EulerOS-SA-2023-1526)
672914 EulerOS Security Update for kernel (EulerOS-SA-2023-1781)
672951 EulerOS Security Update for kernel (EulerOS-SA-2023-1759)
673117 EulerOS Security Update for kernel (EulerOS-SA-2023-2152)
752668 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3586-1)
752669 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3587-1)
752671 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3584-1)
752700 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3688-1)
752702 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3693-1)
752708 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3704-1)
752724 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3775-1)
752750 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3844-1)
753015 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 23 for SLE 15 SP3) (SUSE-SU-2022:4544-1)
753016 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 24 for SLE 15 SP2) (SUSE-SU-2022:4587-1)
753018 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 31 for SLE 15) (SUSE-SU-2022:4577-1)
753021 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 14 for SLE 15 SP3) (SUSE-SU-2022:4528-1)
753022 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 20 for SLE 15 SP3) (SUSE-SU-2022:4551-1)
753025 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 32 for SLE 15 SP1) (SUSE-SU-2022:4506-1)
753026 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 33 for SLE 15 SP1) (SUSE-SU-2022:4533-1)
753032 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 27 for SLE 15 SP2) (SUSE-SU-2022:4513-1)
753033 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 1 for SLE 15 SP4) (SUSE-SU-2022:4518-1)
753035 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 30 for SLE 15 SP2) (SUSE-SU-2022:4534-1)
753036 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 26 for SLE 15) (SUSE-SU-2022:4550-1)
753037 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 26 for SLE 15 SP2) (SUSE-SU-2022:4580-1)
753040 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 12 for SLE 15 SP3) (SUSE-SU-2022:4562-1)
753041 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 24 for SLE 15 SP3) (SUSE-SU-2022:4516-1)
753044 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 3 for SLE 15 SP4) (SUSE-SU-2022:4559-1)
753046 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 30 for SLE 15 SP1) (SUSE-SU-2022:4527-1)
753048 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 18 for SLE 15 SP3) (SUSE-SU-2022:4569-1)
753049 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 26 for SLE 12 SP5) (SUSE-SU-2022:4520-1)
753050 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 22 for SLE 15 SP3) (SUSE-SU-2022:4543-1)
753063 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:4617-1)
753095 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3585-1)
753370 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3609-1)
753374 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3809-1)
753703 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:0416-1)
753707 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:0416-1)
753727 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:0416-1)
904031 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10986)
904034 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10984)
906002 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10986-2)
906363 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10984-2)
906599 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10986-4)
941096 AlmaLinux Security Update for kernel (ALSA-2023:2951)
941114 AlmaLinux Security Update for kernel-rt (ALSA-2023:2736)