Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002940)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002940 advisory. A use-after-free flaw was found in fs/userfaultfd.c in the Linux kernel before 4.13.6. The issue is related to the handling of fork failure when dealing with event...

kernel: mm/uffd: fix pte marker when fork() without fork event

In the Linux kernel, the following vulnerability has been resolved: mm/uffd: fix pte marker when fork without fork event Patch series "mm: Fixes on pte markers". Patch 1 resolves the syzkiller report from Pengfei. Patch 2 further harden pte markers when used with the recent swapin error markers...