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Not yet scoredPublished Sep 17, 2026

CVE-2026-93117usb: fix UAF when probe runs concurrent to dyn ID removal

Updated under an hour ago ()

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In the Linux kernel, the following vulnerability has been resolved: usb: fix UAF when probe runs concurrent to dyn ID removal Dynamic IDs are only guaranteed to be valid when usb_dynids_lock is held, as remove_id_store can free the node. Thus, make a copy in usb_probe_interface. Clarify the documentation that the id parameter is only valid during the probe. USB serial has the same pattern, but it does not need fixing as the IDs cannot be removed via sysfs.

CVSS
Not yet scored
Weakness (CWE)
Not given
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Linux
NVD analysis
Received
Record last updated
Oct 19, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Linux Linux
linux:linux (from the name)
from 0c7a2b72746a96f999fd2728520d03d94879be69 before 9b82ddf76827e2a8ff033a8131ecf24f2d6cae26; from 0c7a2b72746a96f999fd2728520d03d94879be69 before 44904468e58d3dc3a0229782acbeb9677b060541; from 0c7a2b72746a96f999fd2728520d03d94879be69 before 64320c6e721bdec4c43a789c866c8a099dd0c843; from 0c7a2b72746a96f999fd2728520d03d94879be69 before 7e795801295c84a6bbc10a3e7a4c99c50bfe45ac; from 0c7a2b72746a96f999fd2728520d03d94879be69 before e6a9c6b79b70046afdf5a1dbd03b1104536f30c0; from 0c7a2b72746a96f999fd2728520d03d94879be69 before ef8154d8b52d60338c1fd8d793cd8e891c604c14
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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