SB2025100519 - NULL pointer dereference in Linux kernel mtd lpddr driver
Published: October 5, 2025 Updated: October 27, 2025
Security Bulletin ID
SB2025100519
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) NULL pointer dereference (CVE-ID: CVE-2022-50503)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the lpddr2_nvm_probe() function in drivers/mtd/lpddr/lpddr2_nvm.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/0919982a1744346269320615615c7deb14106661
- https://git.kernel.org/stable/c/4d10bd7416e8383340b5524b8d616b8ad01ef1e1
- https://git.kernel.org/stable/c/6bdd45d795adf9e73b38ced5e7f750cd199499ff
- https://git.kernel.org/stable/c/8eb64dc5a790a529ef49ec94b3337af09dac15d3
- https://git.kernel.org/stable/c/bb9ccb6121ec4140d366147aa866ceb5a21a8d3d
- https://git.kernel.org/stable/c/c4cc41e94d8357f5f02b8ef40257bb23931d8438
- https://git.kernel.org/stable/c/e0d3e46ac6669cdf1b99bc7b7d92f1221b9a1ff2
- https://git.kernel.org/stable/c/e6aafb57d90ff2c1e18554f3a3c36247a59825ce
- https://git.kernel.org/stable/c/f82f63b3911f1b2da68a14d9c4babf3b55feca55
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.16