SB2026091788 - Double free in Linux kernel pci zoran driver
Published: September 17, 2026
Security Bulletin ID
SB2026091788
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Double free (CVE-ID: CVE-2026-89870)
CWE-ID: CWE-415 - Double Free
CVSSv4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to cause memory corruption.
The vulnerability exists due to a double free in zoran_exit_video_devices() when unregistering a registered video device during device teardown. A local user can trigger device teardown to cause memory corruption.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0735e0b5a96761a9ce277a238e834008ad92a0a5
- https://git.kernel.org/stable/c/3ad6cf27505017a6794f5f96c31218c2291e951b
- https://git.kernel.org/stable/c/4d99d8d0d895489064783601a516bd45812fa992
- https://git.kernel.org/stable/c/672dbccf4351370dad002d3c78dbb29ca1588f22
- https://git.kernel.org/stable/c/c4acac8cdc005b2d14b6cef5e215d264212857f3
- https://git.kernel.org/stable/c/f1c4f3885df1f09bcab5296d86834d104f865e86