SB20251226137 - Use-after-free in Linux kernel media tegra-video driver
Published: December 26, 2025 Updated: December 31, 2025
Security Bulletin ID
SB20251226137
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 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2022-50745)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the tegra_csi_channel_alloc() and tegra_csi_channels_cleanup() functions in drivers/staging/media/tegra-video/csi.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0fd003d3c708c80350a815eaf37b8e1114b976cf
- https://git.kernel.org/stable/c/5451efb2ca30f3c42b9efb8327ce35b62870dbd3
- https://git.kernel.org/stable/c/6512c9498fcb97e7c760e3ef86b2272f2c0f765f
- https://git.kernel.org/stable/c/c4d344163c3a7f90712525f931a6c016bbb35e18
- https://git.kernel.org/stable/c/ce50c612458091d926ccb05d7db11d9f93532db2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.87