SB2026021640 - Memory leak in Linux kernel nfc nci
Published: February 16, 2026
Security Bulletin ID
SB2026021640
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) Memory leak (CVE-ID: CVE-2026-23167)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the nci_unregister_device() function in net/nfc/nci/core.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/126cd30cad37bc7c2c85fe2df2a522d4edf0a5c5
- https://git.kernel.org/stable/c/546eba0b10989de9ccc7fd619e874a30561e2b88
- https://git.kernel.org/stable/c/8ea4d96419fb20f15a52ce657d49f1e7c91eb7ac
- https://git.kernel.org/stable/c/c3369fc5e6120a72169e71acd72e987907a682af
- https://git.kernel.org/stable/c/cd4412d5905ee580e96c48360dc98fcd9e6f3208
- https://git.kernel.org/stable/c/d2492688bb9fed6ab6e313682c387ae71a66ebae
- https://git.kernel.org/stable/c/eaa5da5130deda26420273d4610cf6e4f794ed75