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    CVE-2022-41218

    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.

    Published:Sep 21, 2022
    Last Modified:May 28, 2025
    EPS:Sep 21, 2022
    EPSS Score:0.0039
    CVSS Score:5.5

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Eus
    Vendor
    Redhat
    Product
    Rhev Hypervisor

    Exploits

    http://www.openwall.com/lists/oss-security/2022/09/23/4http://www.openwall.com/lists/oss-security/2022/09/24/1http://www.openwall.com/lists/oss-security/2022/09/23/4http://www.openwall.com/lists/oss-security/2022/09/24/1https://github.com/Tobey123/CVE-2022-41218

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://www.openwall.com/lists/oss-security/2022/09/23/4
    http://www.openwall.com/lists/oss-security/2022/09/24/1
    http://www.openwall.com/lists/oss-security/2022/09/24/2
    https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fd3d91ab1c6ab0628fe642dd570b56302c30a792
    https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/drivers/media/dvb-core/dmxdev.c
    https://lists.debian.org/debian-lts-announce/2023/03/msg00000.html
    https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
    https://lore.kernel.org/all/20220908132754.30532-1-tiwai%40suse.de/
    https://www.debian.org/security/2023/dsa-5324
    http://www.openwall.com/lists/oss-security/2022/09/23/4
    http://www.openwall.com/lists/oss-security/2022/09/24/1
    http://www.openwall.com/lists/oss-security/2022/09/24/2
    https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fd3d91ab1c6ab0628fe642dd570b56302c30a792
    https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/drivers/media/dvb-core/dmxdev.c
    https://lists.debian.org/debian-lts-announce/2023/03/msg00000.html
    https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
    https://lore.kernel.org/all/20220908132754.30532-1-tiwai%40suse.de/
    https://www.debian.org/security/2023/dsa-5324

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High