CVE-2022-49545: linux kernel — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Cancel pending work at closing a MIDI substream At closing a USB MIDI output substream, there might be still a pending work, which would eventually access the rawmidi runtime object that is being released. For fixing the race, make sure to cancel the pending work at closing.

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CVSS v3.1 Score

5.5

MEDIUM

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

Affected Products

Vendor	Product	Versions
linux	linux_kernel	< 5.10.121
linux	linux_kernel	5.11 — 5.15.46
linux	linux_kernel	5.16 — 5.17.14
linux	linux_kernel	5.18 — 5.18.3

References

Advisories & Patches

https://git.kernel.org/stable/c/0125de38122f0f66bf61336158d12a1aabfe6425 https://git.kernel.org/stable/c/11868ca21585561659c2575b0d6508ef8e9c4291 https://git.kernel.org/stable/c/40bdb5ec957aca5c5c1924602bef6b0ab18e22d3 https://git.kernel.org/stable/c/517dcef4d2dda0132648f1e4c079ed17bba4d1a4 https://git.kernel.org/stable/c/5e5fe2b6065541c6216a7a003b0cddf386be0d2d

Frequently Asked Questions

What is CVE-2022-49545? +

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Cancel pending work at closing a MIDI substream At closing a USB MIDI output substream, there might be still a pending work, which would eventually access the rawmidi runtime object that is being released. For fixing the race, make sure to cancel the pending work at closing. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2022-49545? +

CVE-2022-49545 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2022-49545? +

CVE-2022-49545 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2022-49545? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2022-49545