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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2025-39760
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-09-11 17:15:39 UTC
Updated2026-05-12 13:17:09 UTC
DescriptionIn 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.

Risk And Classification

Primary CVSS: v3.1 7.1 HIGH from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Problem Types: CWE-125

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 842f16905dfc6743c1dd80c3d29b49ba3ab7f7c8 5c3097ede7835d3caf6543eb70ff689af4550cd2 git Not specified
CNA Linux Linux affected 842f16905dfc6743c1dd80c3d29b49ba3ab7f7c8 058ad2b722812708fe90567875704ae36563e33b git Not specified
CNA Linux Linux affected 842f16905dfc6743c1dd80c3d29b49ba3ab7f7c8 b10e0f868067c6f25bbfabdcf3e1e6432c24ca55 git Not specified
CNA Linux Linux affected 842f16905dfc6743c1dd80c3d29b49ba3ab7f7c8 5badd56c711e2c8371d1670f9bd486697575423c git Not specified
CNA Linux Linux affected 842f16905dfc6743c1dd80c3d29b49ba3ab7f7c8 9512510cee7d1becdb0e9413fdd3ab783e4e30ee git Not specified
CNA Linux Linux affected 842f16905dfc6743c1dd80c3d29b49ba3ab7f7c8 4fe6f472f0beef4281e6f03bc38a910a33be663f git Not specified
CNA Linux Linux affected 842f16905dfc6743c1dd80c3d29b49ba3ab7f7c8 9843bcb187cb933861f7805022e6873905f669e4 git Not specified
CNA Linux Linux affected 842f16905dfc6743c1dd80c3d29b49ba3ab7f7c8 cf16f408364efd8a68f39011a3b073c83a03612d git Not specified
CNA Linux Linux affected 2.6.35 Not specified
CNA Linux Linux unaffected 2.6.35 semver Not specified
CNA Linux Linux unaffected 5.10.241 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.190 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.149 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.103 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.43 6.12.* semver Not specified
CNA Linux Linux unaffected 6.15.11 6.15.* semver Not specified
CNA Linux Linux unaffected 6.16.2 6.16.* semver Not specified
CNA Linux Linux unaffected 6.17 * original_commit_for_fix Not specified
ADP Siemens SIMATIC CN 4100 affected V5.0 custom Not specified

References

ReferenceSourceLinkTags
lists.debian.org/debian-lts-announce/2025/10/msg00008.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Third Party Advisory
git.kernel.org/stable/c/4fe6f472f0beef4281e6f03bc38a910a33be663f 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/9843bcb187cb933861f7805022e6873905f669e4 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/058ad2b722812708fe90567875704ae36563e33b 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/b10e0f868067c6f25bbfabdcf3e1e6432c24ca55 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/cf16f408364efd8a68f39011a3b073c83a03612d 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
cert-portal.siemens.com/productcert/html/ssa-032379.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
git.kernel.org/stable/c/5c3097ede7835d3caf6543eb70ff689af4550cd2 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/5badd56c711e2c8371d1670f9bd486697575423c 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
lists.debian.org/debian-lts-announce/2025/10/msg00007.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Third Party Advisory
git.kernel.org/stable/c/9512510cee7d1becdb0e9413fdd3ab783e4e30ee 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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