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...

CVE-2022-49744

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...

CVE-2022-49744

The CVE-2022-49744 entry concerns a Linux kernel mm/uffd issue: when forking, the dst_vma may not inherit VM_UFFD_WP even if the src has it, leading to a stale pte marker and potential access to a corrupted page. The fix is a two‑patch series under “mm: Fixes on pte markers” that hardens pte mark...

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...

Linux kernel memory misreference vulnerability (CNVD-2018-03259)

Linux kernel is the kernel used by Linux, the open source operating system released by the Linux Foundation in the United States. A memory misreference vulnerability exists in the fs/userfaultfd.c file in the Linux kernel. An attacker can exploit this vulnerability to remove a fork event from the...