Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989521)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989521 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: don't BUG if someone dirty pages without asking ext4 first unpinuserpagesremote is dirtying...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987553)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987553 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: don't BUG if someone dirty pages without asking ext4 first unpinuserpagesremote is dirtying...

CVE-2022-49171

CVE-2022-49171 is a Linux kernel issue in the mm/gup.c path affecting ext4. The race causes [un]pin_user_pages_remote to dirty pages without proper pre-notification to ext4, which can lead to data loss. While the root cause is classed as a bug in mm/gup.c, ext4 is particularly fragile: if another...

CVE-2022-49171 ext4: don't BUG if someone dirty pages without asking ext4 first

In the Linux kernel, the following vulnerability has been resolved: ext4: don't BUG if someone dirty pages without asking ext4 first unpinuserpagesremote is dirtying pages without properly warning the file system in advance. A related race was noted by Jan Kara in 20181; however, more recently...