CVE-2026-52963
MEDIUM
MEDIUM
Priority: 0.01
BB Relevance:
36/100
Published: 2026-06-24
Modified: 2026-11-06
First seen: 2026-11-06
Status: active
Attack Surface
Low Complexity
No Interaction
CVSS Vector Breakdown
AV:
Local
AC:
Low
PR:
Low
UI:
None
S:
Unchanged
C:
None
I:
None
A:
High
Description
In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Bound MIDI endpoint descriptor scans snd_usbmidi_get_ms_info() validates the internal MIDIStreaming endpoint descriptor size before using baAssocJackID[], but the descriptor walker can still return a class-specific endpoint descriptor whose bLength exceeds the remaining bytes in the endpoint-extra scan. That leaves later flexible-array reads bounded by bLength, but not by the remaining bytes in the endpoint-extra scan. Stop walking when bLength is zero or extends past the remaining endpoint-extra scan.
Affected Software (23)
| Vendor | Product | Version |
|---|---|---|
| Linux | Linux | 5c6cd7021a05a02fcf37f360592d7c18d4d807fb < e2f1260a056eb3215c13c48c5378f3e4112dc3af |
| Linux | Linux | 5c6cd7021a05a02fcf37f360592d7c18d4d807fb < c65b137d351e21cbc5630e73ef0eb1e1d75f5b20 |
| Linux | Linux | 5c6cd7021a05a02fcf37f360592d7c18d4d807fb < 728ab0c72e49ca27185067984cd565425eb69b2e |
| Linux | Linux | 5c6cd7021a05a02fcf37f360592d7c18d4d807fb < 3d3b2b01a3e73828e201ece96f863e7a3e0cdc6e |
| Linux | Linux | 5c6cd7021a05a02fcf37f360592d7c18d4d807fb < a0226560540c16717efcceaf15c862cf115b01d3 |
| Linux | Linux | 5c6cd7021a05a02fcf37f360592d7c18d4d807fb < 09141583bd97f4bbd7358e29fd138fe798467cdb |
| Linux | Linux | 5c6cd7021a05a02fcf37f360592d7c18d4d807fb < c59159ce10e75b568cd0d4b29efcb0fb0ddecc94 |
| Linux | Linux | 5c6cd7021a05a02fcf37f360592d7c18d4d807fb < d6854daa67be623860f4e1873fd3d3c275aba4ed |
| Linux | Linux | 9e0c71f2f633b0442661966228827d1a33df485f |
| Linux | Linux | 0868bc5654c07628c421547f0821650a8c2cb8f3 |
| Linux | Linux | 78483c1c7741ffa72991d93d19a75bfdcc2cbf57 |
| Linux | Linux | 65d95462001c6ccd9bc9499c1fc9a90eca9de496 |
| Linux | Linux | ca767cf0152d18fc299cde85b18d1f46ac21e1ba |
| Linux | Linux | 4.4.238 < 4.5 |
| Linux | Linux | 4.9.238 < 4.10 |
| Linux | Linux | 4.14.200 < 4.15 |
| Linux | Linux | 4.19.149 < 4.20 |
| Linux | Linux | 5.4.69 < 5.5 |
| Linux | Linux | 5.7 |
| linux | linux_kernel | 4.4.238 – 4.5 |
| linux | linux_kernel | 7.1 |
| linux | linux_kernel | 7.1 |
| linux | linux_kernel | 7.1 |