Security Update 4.0 1027

Critical Photon OS Security Update

Summary

Advisory Id : PHSA-2026-4.0-1027

Type : Security

Severity : ['Critical', 'Important', 'Moderate']

Issue date : 2026-06-03

Affected Release: 4.0

Details

Updates of ['linux', 'unbound'] packages of Photon OS have been released.

Affected Packages

Critical

linux - ['CVE-2026-43125', 'BDSA-2026-9327', 'BDSA-2026-9255', 'CVE-2026-43071', 'CVE-2026-43198']

unbound - ['CVE-2026-42960', 'CVE-2026-33278']

Important

unbound - ['CVE-2026-41292', 'CVE-2026-40622', 'CVE-2026-42944', 'CVE-2026-42959']

Moderate

unbound - ['CVE-2026-32792', 'CVE-2026-42534', 'CVE-2026-44390', 'CVE-2026-44608', 'CVE-2026-42923']

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-5.10.255-4.ph4.x86_64.rpm | size : 32M , sha256 : fc9d3549a41d0e6660153b4b02cefa4b40ab850fd22f3aa5227ffb15a7ee230d , build time : Wed, 03 Jun 2026 15:55:07 UTC

linux-devel-5.10.255-4.ph4.x86_64.rpm | size : 12M , sha256 : aa8defbc540197a5a91c5181148171279ff12d1004e098f9c555edb65c60d2f9 , build time : Wed, 03 Jun 2026 14:52:38 UTC

linux-docs-5.10.255-4.ph4.x86_64.rpm | size : 7.9M , sha256 : f25072eb0c776a150aa9bf78b9fd285fc74e1e0dbb40eddd9a4a2206b7b711e3 , build time : Wed, 03 Jun 2026 14:52:38 UTC

linux-drivers-gpu-5.10.255-4.ph4.x86_64.rpm | size : 3.8M , sha256 : 0c19e74a5870261202c8c5977e3906d3fe62016ea3564127848fa45f2cb11acc , build time : Wed, 03 Jun 2026 14:52:38 UTC

linux-drivers-intel-sgx-5.10.255-4.ph4.x86_64.rpm | size : 76K , sha256 : 8853f4f82971d9a111ed0b05c6d1e3dbf80ddcc15cf3d4aa0e063f9f0cfcca74 , build time : Wed, 03 Jun 2026 14:52:38 UTC

linux-drivers-sound-5.10.255-4.ph4.x86_64.rpm | size : 684K , sha256 : 5fafdeacaff4ed10de1cfebdd35b8064fabc8865ab42da83e048befbe3c830d1 , build time : Wed, 03 Jun 2026 14:52:38 UTC

linux-esx-5.10.255-4.ph4.x86_64.rpm | size : 14M , sha256 : 9673d78f3d2954ed73594a4eeb50fddc62d6498da4ff0d5bf0a340e4ad34fe40 , build time : Wed, 03 Jun 2026 15:55:03 UTC

linux-esx-devel-5.10.255-4.ph4.x86_64.rpm | size : 11M , sha256 : bb97b1602acf1cac020ede470cc9accdc53cd9f1cd7633bf51f04389d4151761 , build time : Wed, 03 Jun 2026 14:52:37 UTC

linux-esx-docs-5.10.255-4.ph4.x86_64.rpm | size : 7.9M , sha256 : ef885eac8a52735732e9697a3777edc780ca45f0048a0d91eaadbafe2a3da7bc , build time : Wed, 03 Jun 2026 14:52:37 UTC

linux-oprofile-5.10.255-4.ph4.x86_64.rpm | size : 84K , sha256 : efd6aa651aaaaac4ff07f114e516510cf2fad6a5ebb848c148024839843ce82b , build time : Wed, 03 Jun 2026 14:52:38 UTC

linux-python3-perf-5.10.255-4.ph4.x86_64.rpm | size : 192K , sha256 : 0cf7678dc61e052e6247fc7eefdb7625e91a6ce2f22f6fce13dcdaacb196977c , build time : Wed, 03 Jun 2026 14:52:38 UTC

linux-secure-5.10.255-4.ph4.x86_64.rpm | size : 26M , sha256 : cabc948c861504c2b8331d7d0675979c6c99247dee7dce0f965a6da2d025d0ea , build time : Wed, 03 Jun 2026 15:55:07 UTC

linux-secure-devel-5.10.255-4.ph4.x86_64.rpm | size : 12M , sha256 : 0dfceb5946dfe4ebde55d275003afcb88727fdf12c1c43af4ca94fccbe199ac8 , build time : Wed, 03 Jun 2026 14:52:37 UTC

linux-secure-docs-5.10.255-4.ph4.x86_64.rpm | size : 7.9M , sha256 : b4034fb24bf1085b6286cb3402729b0081eb1c4eec4c660c843e614e1f63f59e , build time : Wed, 03 Jun 2026 14:52:37 UTC

linux-tools-5.10.255-4.ph4.x86_64.rpm | size : 1.7M , sha256 : 5bdc1ad200d57a2e9ecea6548db1d7e979e58f292291dd5c90e10d881e100807 , build time : Wed, 03 Jun 2026 14:52:38 UTC

unbound-1.25.1-1.ph4.x86_64.rpm | size : 928K , sha256 : da1b45a2c6fa2db1a4a3e02954320ec9cd9082ba398608b799b4c5ecb874962d , build time : Wed, 03 Jun 2026 14:52:33 UTC

unbound-devel-1.25.1-1.ph4.x86_64.rpm | size : 20K , sha256 : 2c94be60dbcb2e220b45fbf71f4d8a91d7b4cf3f3019e65e10078710aca0b9bc , build time : Wed, 03 Jun 2026 14:52:33 UTC

unbound-docs-1.25.1-1.ph4.x86_64.rpm | size : 92K , sha256 : 740e559348d689b2982c0b359ea7882a666bc9ba6b00b822d8efab5f0b94ef3e , build time : Wed, 03 Jun 2026 14:52:33 UTC