SB2026021650 - Use-after-free in Linux kernel spi driver
Published: February 16, 2026
Security Bulletin ID
SB2026021650
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-2026-23202)
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_qspi_combined_seq_xfer() function in drivers/spi/spi-tegra210-quad.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/3bc293d5b56502068481478842f57b3d96e432c7
- https://git.kernel.org/stable/c/6fd446178a610a48e80e5c5b487b0707cd01daac
- https://git.kernel.org/stable/c/712cde8d916889e282727cdf304a43683adf899e
- https://git.kernel.org/stable/c/762e2ce71c8f0238e9eaf05d14da803d9a24422f
- https://git.kernel.org/stable/c/9fa4262a80f751d14a6a39d2c03f57db68da2618
- https://git.kernel.org/stable/c/bf4528ab28e2bf112c3a2cdef44fd13f007781cd