SB2025022776 - Out-of-bounds read in Linux kernel net usb driver
Published: February 27, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025022776
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2025-21742)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the ipheth_rcvbulk_callback_ncm() function in drivers/net/usb/ipheth.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/2b619445dcb6dab97d8ed033fb57225aca1288c4
- https://git.kernel.org/stable/c/86586dcb75cb8fd062a518aca8ee667938b91efb
- https://git.kernel.org/stable/c/8fb062178e1ce180e2cfdc9abc83a1b9fea381ca
- https://git.kernel.org/stable/c/cf1ac7f7cf601ac31d1580559c002b5e37b733b7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.14