CVE-2025-39760

CVE-2025-39760: vulnerability in Linux

usb: core: config: Prevent OOB read in SS endpoint companion parsing

Published · Updated

3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 0.2%
exploitation probability
0.2%top 93% of all CVEs
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved: usb: core: config: Prevent OOB read in SS endpoint companion parsing usb_parse_ss_endpoint_companion() checks descriptor type before length, enabling a potentially odd read outside of the buffer size. Fix this up by checking the size first before looking at any of the fields in the descriptor.
Affected products
Linux · Linux
Related CVEs — Linux

In the same product, most dangerous first.

CVE-2024-53197HIGHALSA: usb-audio: Fix potential out-of-bound accesses for Extigy and Mbox devicesEPSS 4.1%KEVCVE-2026-31431HIGHcrypto: algif_aead - Revert to operating out-of-placeEPSS 3.4%KEVCVE-2024-53104HIGHmedia: uvcvideo: Skip parsing frames of type UVC_VS_UNDEFINED in uvc_parse_formatEPSS 3.4%KEVCVE-2025-39682CRITICALtls: fix handling of zero-length records on the rx_listEPSS 2.9%KEVCVE-2024-36971HIGHnet: fix __dst_negative_advice() raceEPSS 2.7%KEVCVE-2024-53150HIGHALSA: usb-audio: Fix out of bounds reads when finding clock sourcesEPSS 1.4%KEV
References
https://cert-portal.siemens.com/productcert/html/ssa-032379.htmlhttps://git.kernel.org/stable/c/058ad2b722812708fe90567875704ae36563e33bhttps://git.kernel.org/stable/c/4fe6f472f0beef4281e6f03bc38a910a33be663fhttps://git.kernel.org/stable/c/5badd56c711e2c8371d1670f9bd486697575423chttps://git.kernel.org/stable/c/5c3097ede7835d3caf6543eb70ff689af4550cd2https://git.kernel.org/stable/c/9512510cee7d1becdb0e9413fdd3ab783e4e30eehttps://git.kernel.org/stable/c/9843bcb187cb933861f7805022e6873905f669e4https://git.kernel.org/stable/c/b10e0f868067c6f25bbfabdcf3e1e6432c24ca55https://git.kernel.org/stable/c/cf16f408364efd8a68f39011a3b073c83a03612dhttps://lists.debian.org/debian-lts-announce/2025/10/msg00007.htmlhttps://lists.debian.org/debian-lts-announce/2025/10/msg00008.html