SB20251226166 - Out-of-bounds read in Linux kernel nand raw driver
Published: December 26, 2025 Updated: December 31, 2025
Security Bulletin ID
SB20251226166
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 security vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2023-54104)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the fun_exec_op() function in drivers/mtd/nand/raw/fsl_upm.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/1f09d67d390647f83f8f9d26382b0daa43756e6f
- https://git.kernel.org/stable/c/49e57caf967a969f6b955c88805f2d160910aa12
- https://git.kernel.org/stable/c/c6abce60338aa2080973cd95be0aedad528bb41f
- https://git.kernel.org/stable/c/eb7a5e4d14c8659cb97db6863316280e15f67209
- https://git.kernel.org/stable/c/f4b700c71802c81e6f9dce362ee7a0312c8377ba
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.45