# [Important] Photon OS Security Update   
## Summary   
Advisory ID : PHSA-2021-4.0-0059    
Type : Security   
Severity : ['Important']    
Issued on : 2021-07-08   
Affected Versions : Photon OS 4.0    
   
## Details   
An update of {'linuxptp'} packages of Photon OS has been released.   
   
## Affected Packages:    
### Important    
linuxptp - ['[CVE-2021-3570](https://nvd.nist.gov/vuln/detail/CVE-2021-3570)', '[CVE-2021-3571](https://nvd.nist.gov/vuln/detail/CVE-2021-3571)']    
   
## Solution     
Update the affected packages (tdnf update _package_)     
## Updated Packages Information    
linuxptp-3.1-3.ph4.x86_64.rpm , sha256 : ce7234767f4e6bacf906a463e86a84c8f74381d03024727b2900fedea9f16965 , size : 224K , build_date : Wed, 07 Jul 2021 19:51:40 PDT