# [Important] Photon OS Security Update   
## Summary   
Advisory ID : PHSA-2021-4.0-0001    
Type : Security   
Severity : ['Important']    
Issued on : 2021-03-02   
Affected Versions : Photon OS 4.0    
   
## Details   
An update of {'openvswitch', 'grub2', 'glib'} packages of Photon OS has been released.   
   
## Affected Packages:    
### Important    
openvswitch - ['[CVE-2020-35498](https://nvd.nist.gov/vuln/detail/CVE-2020-35498)']    
grub2 - ['[CVE-2020-27749](https://nvd.nist.gov/vuln/detail/CVE-2020-27749)', '[CVE-2020-27779](https://nvd.nist.gov/vuln/detail/CVE-2020-27779)', '[CVE-2021-3418](https://nvd.nist.gov/vuln/detail/CVE-2021-3418)', '[CVE-2021-20225](https://nvd.nist.gov/vuln/detail/CVE-2021-20225)', '[CVE-2021-20233](https://nvd.nist.gov/vuln/detail/CVE-2021-20233)', '[CVE-2020-25647](https://nvd.nist.gov/vuln/detail/CVE-2020-25647)', '[CVE-2020-25632](https://nvd.nist.gov/vuln/detail/CVE-2020-25632)', '[CVE-2020-14372](https://nvd.nist.gov/vuln/detail/CVE-2020-14372)']    
glib - ['[CVE-2021-27218](https://nvd.nist.gov/vuln/detail/CVE-2021-27218)', '[CVE-2021-27219](https://nvd.nist.gov/vuln/detail/CVE-2021-27219)']    
   
## Solution     
Update the affected packages (tdnf update _package_)     
## Updated Packages Information    
glib-doc-2.66.7-1.ph4.noarch.rpm , sha256 : 5985eeb4705c2132e338619b0af867429b627a324f93f279a3e7be8e513a6d46 , size : 1.4M , build_date : Tue, 02 Mar 2021 10:21:14 PST    
glib-2.66.7-1.ph4.x86_64.rpm , sha256 : 458763954d3d417f2cd1dec728d3613814cc2429e6096fca6e1c7c4ea6a7b12f , size : 1.3M , build_date : Tue, 02 Mar 2021 10:21:14 PST    
glib-devel-2.66.7-1.ph4.x86_64.rpm , sha256 : bc9637f5624db10fd4bd8ad8463386c983bf660d34ea17c76c21bf40a604f5d4 , size : 1.7M , build_date : Tue, 02 Mar 2021 10:21:14 PST    
glib-schemas-2.66.7-1.ph4.x86_64.rpm , sha256 : 8100320a26513c7f2817c0258cdc9cfe88585c5f603985c9f933207c6475bfe0 , size : 39K , build_date : Tue, 02 Mar 2021 10:21:14 PST    
grub2-2.04-3.ph4.x86_64.rpm , sha256 : dea060c775e415a0e65b7d93577bb5439c31770a28926325b987cf014b602742 , size : 1.7M , build_date : Tue, 02 Mar 2021 10:27:24 PST    
grub2-efi-2.04-3.ph4.x86_64.rpm , sha256 : c0fb03ce2451efbac9e6890a86622533c8dffc596fd09f8199296cddfb93dcc5 , size : 3.8M , build_date : Tue, 02 Mar 2021 10:27:24 PST    
grub2-efi-image-2.04-3.ph4.x86_64.rpm , sha256 : f95aee4a95e3c717e180db532367ff52d986869b81b0cb013660442ba79369a3 , size : 301K , build_date : Tue, 02 Mar 2021 10:27:24 PST    
grub2-lang-2.04-3.ph4.x86_64.rpm , sha256 : 22cf57f6d32dfad3c0d7c6113930f8b9650675f79421227546df402f86ebd01b , size : 729K , build_date : Tue, 02 Mar 2021 10:27:24 PST    
grub2-pc-2.04-3.ph4.x86_64.rpm , sha256 : cba3acaf1697fce6938e6247425dfa52868cf23ad0b453a7d37cd8ee4f2b9232 , size : 3.5M , build_date : Tue, 02 Mar 2021 10:27:24 PST    
openvswitch-2.14.0-4.ph4.x86_64.rpm , sha256 : 6030bf32f84abfb9f5af4e4f177eeebfb7362e49a695751786affb96bd8ad3d3 , size : 2.5M , build_date : Tue, 02 Mar 2021 10:27:24 PST    
openvswitch-devel-2.14.0-4.ph4.x86_64.rpm , sha256 : 771c0e55401810940402ed458449aab10f3a0d7d3c28dd354f43a6e413415b31 , size : 127K , build_date : Tue, 02 Mar 2021 10:27:24 PST    
openvswitch-devel-static-2.14.0-4.ph4.x86_64.rpm , sha256 : 19ceae29f713c1f574691459800fabd5b5bda994d81fd819fa532ccfd29bf799 , size : 1.5M , build_date : Tue, 02 Mar 2021 10:27:24 PST    
openvswitch-doc-2.14.0-4.ph4.x86_64.rpm , sha256 : 345b41a8330315044180c27b7bac79f112f4a0b0298c4616c1c37b063fe00e57 , size : 289K , build_date : Tue, 02 Mar 2021 10:27:24 PST    
python3-openvswitch-2.14.0-4.ph4.x86_64.rpm , sha256 : bfa6cff3ea6f77a999f14df93be1ab1efc2726018821a5edbe25f0bd5b3465b8 , size : 93K , build_date : Tue, 02 Mar 2021 10:27:24 PST