CVE-2025-39760Out-of-bounds Read in Linux

CWE-125Out-of-bounds Read30 documents8 sources
Severity
7.1HIGHNVD
EPSS
0.0%
top 94.73%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedSep 11
Latest updateMar 25

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 vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:HExploitability: 1.8 | Impact: 5.2

Affected Packages3 packages

NVDlinux/linux_kernel2.6.355.10.241+6
Debianlinux/linux_kernel< 5.10.244-1+3
CVEListV5linux/linux842f16905dfc6743c1dd80c3d29b49ba3ab7f7c85c3097ede7835d3caf6543eb70ff689af4550cd2+8

Also affects: Debian Linux 11.0

Patches

🔴Vulnerability Details

3
CVEList
usb: core: config: Prevent OOB read in SS endpoint companion parsing2025-09-11
GHSA
GHSA-qjjr-vrx2-c9cp: In the Linux kernel, the following vulnerability has been resolved: usb: core: config: Prevent OOB read in SS endpoint companion parsing usb_parse_s2025-09-11
OSV
CVE-2025-39760: In the Linux kernel, the following vulnerability has been resolved: usb: core: config: Prevent OOB read in SS endpoint companion parsing usb_parse_ss_2025-09-11

📋Vendor Advisories

26
Ubuntu
Linux kernel (Azure) vulnerabilities2026-03-25
Ubuntu
Linux kernel (Azure) vulnerabilities2026-03-04
Ubuntu
Linux kernel (Azure FIPS) vulnerabilities2026-03-04
Ubuntu
Linux kernel (Xilinx) vulnerabilities2026-02-24
Ubuntu
Linux kernel (IBM) vulnerabilities2026-02-24
CVE-2025-39760 — Out-of-bounds Read in Linux | cvebase