7.1

CVE-2025-39760: usb: core: config: Prevent OOB read in SS endpoint companion parsing

Modified
AliasesUBUNTU-CVE-2025-39760DEBIAN-CVE-2025-39760
Published 11-09-2025Last modified 11-06-2026

Vulnerability summary

CVE-2025-39760 is a high (CVSS 7.1) Out-of-bounds Read vulnerability in debian debian_linux. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 7.5% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.1, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.1/10
010
High · v3.1 (NVD)
EPSS score
0.18%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 61 · Related 41
DLA-4327-1DLA-4328-1DSA-6009-1OPENSUSE-SU-2025:20081-1RHSA-2026:1661RHSA-2026:1662

Timeline

  1. 11-09-2025
    PublishedVulnerability first disclosed.
  2. 11-06-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.18%

Chance of exploitation in the next 30 days

Percentile

8%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.18% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu149 products
  • linuxAll versions (No fix recorded) | < 5.15.0-163.173 | < 6.8.0-100.100
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1097.104 | < 6.8.0-1046.49
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian2 products
  • linux< 6.1.153-1 | < 6.12.43-1 | < 6.16.3-1
  • debian_linuxEOL11.0
Linux2 products
  • linux≥ 842f16905dfc6743c1dd80c3d29b49ba3ab7f7c8, < 5c3097ede7835d3caf6543eb70ff689af4550cd2 | ≥ 842f16905dfc6743c1dd80c3d29b49ba3ab7f7c8, < 058ad2b722812708fe90567875704ae36563e33b | ≥ 842f16905dfc6743c1dd80c3d29b49ba3ab7f7c8, < b10e0f868067c6f25bbfabdcf3e1e6432c24ca55 | ≥ 842f16905dfc6743c1dd80c3d29b49ba3ab7f7c8, < 5badd56c711e2c8371d1670f9bd486697575423c | ≥ 842f16905dfc6743c1dd80c3d29b49ba3ab7f7c8, < 9512510cee7d1becdb0e9413fdd3ab783e4e30ee | ≥ 842f16905dfc6743c1dd80c3d29b49ba3ab7f7c8, < 4fe6f472f0beef4281e6f03bc38a910a33be663f | ≥ 842f16905dfc6743c1dd80c3d29b49ba3ab7f7c8, < 9843bcb187cb933861f7805022e6873905f669e4 | ≥ 842f16905dfc6743c1dd80c3d29b49ba3ab7f7c8, < cf16f408364efd8a68f39011a3b073c83a03612d | 2.6.35
  • linux_kernel≥ 2.6.35, < 5.10.241 | ≥ 5.11, < 5.15.190 | ≥ 5.16, < 6.1.149 | ≥ 6.2, < 6.6.103 | ≥ 6.7, < 6.12.43 | ≥ 6.13, < 6.15.11 | ≥ 6.16, < 6.16.2

3 vendors · 153 products

References

41 links
Show all 41 references