CVE-2022-49545
MediumIn 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.
CVSS 3.1 score
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected versions
Linux kernel versions
2.6.12
and later are affected. Fixed in
5.10.121,
5.15.46,
5.17.14,
5.18.3,
5.19
and their respective stable series.
References
The following references provide additional information about CVE-2022-49545 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/0125de38122f0f66bf61336158d12a1aabfe6425
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PatchKernel patch commithttps://git.kernel.org/stable/c/11868ca21585561659c2575b0d6508ef8e9c4291
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PatchKernel patch commithttps://git.kernel.org/stable/c/40bdb5ec957aca5c5c1924602bef6b0ab18e22d3
Frequently asked questions
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What is CVE-2022-49545?
CVE-2022-49545 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 2.6.12 onward and has been patched in 5.10.121, 5.15.46, 5.17.14 and others. CVE-2022-49545 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2022-49545?
CVE-2022-49545 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. -
Is there a patch available for CVE-2022-49545?
Yes — CVE-2022-49545 has been patched. Fixed versions include 5.10.121, 5.15.46, 5.17.14 and others. If you are running Linux kernel 2.6.12 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2022-49545 actively exploited?
No — CVE-2022-49545 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.