medium
6.2
Advisory Published
Updated

CVE-2023-31084

First published: Mon Apr 24 2023(Updated: )

A flaw in the Linux Kernel found in drivers/media/dvb-core/dvb_frontend.c. There is a blocking operation when a task is in !TASK_RUNNING. In dvb_frontend_get_event, wait_event_interruptible is called; the condition is dvb_frontend_test_event(fepriv,events). In dvb_frontend_test_event, down(&amp;fepriv-&gt;sem) is called. However, wait_event_interruptible would put the process to sleep, and down(&amp;fepriv-&gt;sem) may block the process. Reference: <a href="https://lore.kernel.org/all/CA+UBctCu7fXn4q41O_3=id1+OdyQ85tZY1x+TkT-6OVBL6KAUw@mail.gmail.com/">https://lore.kernel.org/all/CA+UBctCu7fXn4q41O_3=id1+OdyQ85tZY1x+TkT-6OVBL6KAUw@mail.gmail.com/</a>

Credit: cve@mitre.org cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Linux Kernel=6.2
debian/linux
5.10.223-1
5.10.226-1
6.1.123-1
6.1.128-1
6.12.12-1
6.12.15-1
Fedora=37
Fedora=38
Debian=10.0
Debian=11.0
Debian=12.0
All of
netapp h410c firmware
netapp h410c
IBM Security Verify Governance - Identity Manager<=ISVG 10.0.2
IBM Security Verify Governance, Identity Manager<=ISVG 10.0.2

Remedy

https://git.kernel.org/linus/1da177e4c3f41524e886b7f1b8a0c1fc7321cac2

Remedy

https://git.kernel.org/linus/b8c75e4a1b325ea0a9433fa8834be97b5836b946

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2023-31084?

    CVE-2023-31084 has a medium severity level due to its potential impact on system stability.

  • How do I fix CVE-2023-31084?

    To fix CVE-2023-31084, update the Linux Kernel to versions 5.10.223-1, 5.10.226-1, 6.1.123-1, or newer versions provided by your distribution.

  • Which software components are affected by CVE-2023-31084?

    CVE-2023-31084 affects the Linux Kernel version 6.2 and IBM Security Verify Governance, Identity Manager up to version 10.0.2.

  • What systems are impacted by CVE-2023-31084?

    CVE-2023-31084 impacts systems running Linux Kernel 6.2, Debian distributions, and Fedora versions 37 and 38.

  • Is there a workaround for CVE-2023-31084?

    Currently, there are no known workarounds for CVE-2023-31084 other than applying the available updates.

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