SB2026062972 - Double free in Linux kernel intel idpf driver
Published: June 29, 2026
Security Bulletin ID
SB2026062972
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) Double free (CVE-ID: CVE-2026-53286)
CWE-ID: CWE-415 - Double Free
CVSSv4: 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/E:U/U:Clear
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to double free and use-after-free in idpf auxiliary device error paths when handling auxiliary device add failures. A local user can trigger a failure during auxiliary device initialization to cause a denial of service.
The issue occurs in the probe error paths of idpf_plug_vport_aux_dev() and idpf_plug_core_aux_dev().
Remediation
Install update from vendor's website.