SB20251230131 - Memory leak in Linux kernel nfc
Published: December 30, 2025 Updated: December 31, 2025
Security Bulletin ID
SB20251230131
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-2022-50834)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the nfc_genl_se_io() and nfc_genl_vendor_cmd() functions in net/nfc/netlink.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/277f0d0a9084e7454e5532c823a7a876a7b00af7
- https://git.kernel.org/stable/c/a743128fca394a43425020a4f287d3168d94d04f
- https://git.kernel.org/stable/c/b32f6bef248562bb5191ada527717ea50b319466
- https://git.kernel.org/stable/c/b63bc2db244c1b57e36f16ea5f2a1becda413f68
- https://git.kernel.org/stable/c/d1d912e7f82d7216ba4e266048ec1d1f5ea93839
- https://git.kernel.org/stable/c/d8e410315ad393b23520b5db0706be853589c548
- https://git.kernel.org/stable/c/df49908f3c52d211aea5e2a14a93bbe67a2cb3af
- https://git.kernel.org/stable/c/e0f5c962c066e769c187f037fedc883f8abd4e82
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.163