# Important Photon OS Security Update ## Summary Advisory Id : PHSA-2026-4.0-1037 Type : Security Severity : ['Important'] Issue date : 2026-06-19 Affected Release: 4.0 ## Details Updates of ['linux'] packages of Photon OS have been released. ## Affected Packages ### Important linux - ['[CVE-2026-31516](https://nvd.nist.gov/vuln/detail/CVE-2026-31516)', '[CVE-2026-31527](https://nvd.nist.gov/vuln/detail/CVE-2026-31527)'] ## Solution Update the affected packages (tdnf update package) Note: For packages ['linux'] after updating, a reboot is required for taking effect. ## Updated Packages Information linux-5.10.258-5.ph4.x86_64.rpm | size : 32M , sha256 : c8ed9ec56dec90d8aac7a7ad41fd506ea9eca1bb37900ec3b96f677e16d381fd , build time : Fri, 19 Jun 2026 05:41:03 UTC linux-devel-5.10.258-5.ph4.x86_64.rpm | size : 12M , sha256 : 7cef5c818e8b1cf11b749a49b0c66fc71b04075f2ed38bbc247f420d204c6a8e , build time : Fri, 19 Jun 2026 04:50:31 UTC linux-docs-5.10.258-5.ph4.x86_64.rpm | size : 7.9M , sha256 : e30db9da30670b6a1028adde44934f0c60e8f5dd1e41d43e0a6ceba11dd0e82e , build time : Fri, 19 Jun 2026 04:50:31 UTC linux-drivers-gpu-5.10.258-5.ph4.x86_64.rpm | size : 3.8M , sha256 : 31bc466839c231d6f5f267ba096b1863d61f9019ae03129c1e0ff2d980c7053f , build time : Fri, 19 Jun 2026 04:50:31 UTC linux-drivers-intel-sgx-5.10.258-5.ph4.x86_64.rpm | size : 80K , sha256 : e64c2943f5535439b602b0966d32bf16f994a59b552a131093eff8f3875e344d , build time : Fri, 19 Jun 2026 04:50:31 UTC linux-drivers-sound-5.10.258-5.ph4.x86_64.rpm | size : 684K , sha256 : 823f32ae590a7cb1a2a1d6ed866e1f8316e0a3904f3e0a9c7de3916ae8c6faca , build time : Fri, 19 Jun 2026 04:50:31 UTC linux-esx-5.10.258-5.ph4.x86_64.rpm | size : 14M , sha256 : 6090f16259fae64b05ccc12e02bfe5859b6bc5ab70afce4e86509cadde86629a , build time : Fri, 19 Jun 2026 05:42:43 UTC linux-esx-devel-5.10.258-5.ph4.x86_64.rpm | size : 11M , sha256 : 7885667a3404396d2f3eb7c81639bbd632801557a3c93b5a278dc45f1dedfd92 , build time : Fri, 19 Jun 2026 04:50:31 UTC linux-esx-docs-5.10.258-5.ph4.x86_64.rpm | size : 7.9M , sha256 : a6578c22ecee61f80efb0bf913828ec7d0f6b190c8a87aebaf1957de66063148 , build time : Fri, 19 Jun 2026 04:50:31 UTC linux-oprofile-5.10.258-5.ph4.x86_64.rpm | size : 84K , sha256 : 4a4f7e91f88e01ee4d16d06274e49e3f4be2f8d83bcbb0ed4bfe68a219e59566 , build time : Fri, 19 Jun 2026 04:50:31 UTC linux-python3-perf-5.10.258-5.ph4.x86_64.rpm | size : 192K , sha256 : 12bd48fa7dba3c507f836bc3c8075e17ed21a68dd9685eb947323ad3fbe5f54b , build time : Fri, 19 Jun 2026 04:50:31 UTC linux-secure-5.10.258-5.ph4.x86_64.rpm | size : 26M , sha256 : 29ca13135e9ade082e0e0207ca4c5589066eb19d14162d6d472471d9dfaedf72 , build time : Fri, 19 Jun 2026 05:43:08 UTC linux-secure-devel-5.10.258-5.ph4.x86_64.rpm | size : 12M , sha256 : dd236c75e671c1a2aa921a807741a6a4ec2c31626a44e05628b7fd9f8c0299ac , build time : Fri, 19 Jun 2026 04:50:30 UTC linux-secure-docs-5.10.258-5.ph4.x86_64.rpm | size : 7.9M , sha256 : 0a5a76d13422df280b1916397365f1fe8671f64a9dfe2059a6f66ce89e177e9a , build time : Fri, 19 Jun 2026 04:50:30 UTC linux-tools-5.10.258-5.ph4.x86_64.rpm | size : 1.7M , sha256 : 05e39d538ab7caadca4e5563db8c52166287dbb1f799c3887c139948d1ce5fc0 , build time : Fri, 19 Jun 2026 04:50:31 UTC