SB2026072754 - Out-of-bounds read in Linux kernel gadget function driver
Published: July 27, 2026
Security Bulletin ID
SB2026072754
CSH 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 vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2026-64505)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to an out-of-bounds read in rndis_rm_hdr in the RNDIS USB gadget function when parsing a crafted RNDIS header. A local user can provide a truncated header to cause a denial of service.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/200dd5092296ad4d5ae47f8445a2fb1edd1da973
- https://git.kernel.org/stable/c/21b5bf155435008e0fb0736795289788e63d426f
- https://git.kernel.org/stable/c/7515a6d4a9e9e4838b833825882efa00e85f8901
- https://git.kernel.org/stable/c/9facd79028a7807879eb441d12f0e00720980aa3
- https://git.kernel.org/stable/c/9ffd567d7bf269824dfac06f8ab9a32fef72699b
- https://git.kernel.org/stable/c/b73c0142e3acdc063b50c33afb7be19cdb2cd410
- https://git.kernel.org/stable/c/ba2cc601e59fe68716646199a33303493513e2e3
- https://git.kernel.org/stable/c/d6ef5af7d0fe1ac31e5653a77e6d775dd36bc433