CVE-2022-49545: ALSA: usb-audio: Cancel pending work at closing a MIDI substream
Vulnerability summary
CVE-2022-49545 is a high (CVSS 7.8) vulnerability in linux. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 20.6% of scored vulnerabilities.
Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 27 · Related 25Timeline
- 26-02-2025PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
EPSS trend
Probability
0.28%
Chance of exploitation in the next 30 days
Percentile
21%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.28% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu112 products
- linuxAll versions (No fix recorded) | < 5.15.0-47.51
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 5.15.0-1019.23
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 40bdb5ec957aca5c5c1924602bef6b0ab18e22d3 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 11868ca21585561659c2575b0d6508ef8e9c4291 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 5e5fe2b6065541c6216a7a003b0cddf386be0d2d | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 517dcef4d2dda0132648f1e4c079ed17bba4d1a4 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 0125de38122f0f66bf61336158d12a1aabfe6425 | 2.6.12
- linux_kernel< 5.10.121 | ≥ 5.11, < 5.15.46 | ≥ 5.16, < 5.17.14 | ≥ 5.18, < 5.18.3
Suse2 products
- kernel-livepatch-SLE15-SP3_Update_54&distro=SUSE Linux Enterprise Live Patching 15 SP3< 3-150300.2.1
- kernel-livepatch-SLE15-SP3_Update_55&distro=SUSE Linux Enterprise Live Patching 15 SP3< 3-150300.2.1
Debian1 product
- linux< 5.18.5-1
4 vendors · 117 products