UBUNTU-CVE-2026-23345

In the Linux kernel, the following vulnerability has been resolved: arm64: gcs: Do not set PTESHARED on GCS mappings if FEATLPA2 is enabled When FEATLPA2 is enabled, bits 8-9 of the PTE replace the shareability attribute with bits 50-51 of the output address. The PAGEGCS,RO definitions include th...

CVE-2026-23345

In the Linux kernel, the following vulnerability has been resolved: arm64: gcs: Do not set PTESHARED on GCS mappings if FEATLPA2 is enabled When FEATLPA2 is enabled, bits 8-9 of the PTE replace the shareability attribute with bits 50-51 of the output address. The PAGEGCS,RO definitions include th...

PT-2026-27710

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 7.0.0-rc1 Description The Linux kernel contains a flaw in the GCS Global Cache System mapping when FEAT LPA2 is enabled. Specifically, the code incorrectly sets the PTE SHARED bit on GCS mappings, leading to a...