CVE-2025-39760usb: core: config: Prevent OOB read in SS endpoint companion parsing
- 7.1HighCVSS base score
- 0.19%Exploitation in 30 daysEPSS · top 92% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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.
Timeline
ID reserved
By Linux
- 5 months later
· 5 months later
Published
- 9 months later
· 9 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.19% · top 92% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.1.
Affected products
- affected 842f16905dfc6743c1dd80c3d29b49ba3ab7f7c8 – < 5c3097ede7835d3caf6543eb70ff689af4550cd2
- affected 842f16905dfc6743c1dd80c3d29b49ba3ab7f7c8 – < 058ad2b722812708fe90567875704ae36563e33b
- affected 842f16905dfc6743c1dd80c3d29b49ba3ab7f7c8 – < b10e0f868067c6f25bbfabdcf3e1e6432c24ca55
- affected 842f16905dfc6743c1dd80c3d29b49ba3ab7f7c8 – < 5badd56c711e2c8371d1670f9bd486697575423c
- affected 842f16905dfc6743c1dd80c3d29b49ba3ab7f7c8 – < 9512510cee7d1becdb0e9413fdd3ab783e4e30ee
- affected 842f16905dfc6743c1dd80c3d29b49ba3ab7f7c8 – < 4fe6f472f0beef4281e6f03bc38a910a33be663f
- affected 842f16905dfc6743c1dd80c3d29b49ba3ab7f7c8 – < 9843bcb187cb933861f7805022e6873905f669e4
- affected 842f16905dfc6743c1dd80c3d29b49ba3ab7f7c8 – < cf16f408364efd8a68f39011a3b073c83a03612d
- affected 2.6.35
- unaffected < 2.6.35
- unaffected 5.10.241 – ≤ 5.10.*
- unaffected 5.15.190 – ≤ 5.15.*
- unaffected 6.1.149 – ≤ 6.1.*
- unaffected 6.6.103 – ≤ 6.6.*
- unaffected 6.12.43 – ≤ 6.12.*
- unaffected 6.15.11 – ≤ 6.15.*
- unaffected 6.16.2 – ≤ 6.16.*
- unaffected 6.17 – ≤ *
References
References11
- https://git.kernel.org/stable/c/5c3097ede7835d3caf6543eb70ff689af4550cd2 (opens in a new tab)
- https://git.kernel.org/stable/c/058ad2b722812708fe90567875704ae36563e33b (opens in a new tab)
- https://git.kernel.org/stable/c/b10e0f868067c6f25bbfabdcf3e1e6432c24ca55 (opens in a new tab)
- https://git.kernel.org/stable/c/5badd56c711e2c8371d1670f9bd486697575423c (opens in a new tab)
- https://git.kernel.org/stable/c/9512510cee7d1becdb0e9413fdd3ab783e4e30ee (opens in a new tab)
- https://git.kernel.org/stable/c/4fe6f472f0beef4281e6f03bc38a910a33be663f (opens in a new tab)
- https://git.kernel.org/stable/c/9843bcb187cb933861f7805022e6873905f669e4 (opens in a new tab)
- https://git.kernel.org/stable/c/cf16f408364efd8a68f39011a3b073c83a03612d (opens in a new tab)
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html (opens in a new tab)
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html (opens in a new tab)
- https://cert-portal.siemens.com/productcert/html/ssa-032379.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2025-28952 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2025-39760)Record last updated .