Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ubifs: renamewhiteout: Fixed double-free of whiteoutui-data The variable whiteoutui-data will be freed twice if the space allocation fails during the rename operation. The process is as follows: 1. renamewhiteout: - dev = kmalloc...

SUSE CVE-2021-47638

In the Linux kernel, the following vulnerability has been resolved: ubifs: renamewhiteout: Fix double free for whiteoutui-data 'whiteoutui-data' will be freed twice if space budget fail for rename whiteout operation as following process: renamewhiteout dev = kmalloc whiteoutui-data = dev...

DEBIAN-CVE-2021-47638

In the Linux kernel, the following vulnerability has been resolved: ubifs: renamewhiteout: Fix double free for whiteoutui-data 'whiteoutui-data' will be freed twice if space budget fail for rename whiteout operation as following process: renamewhiteout dev = kmalloc whiteoutui-data = dev...

CVE-2021-47638 ubifs: rename_whiteout: Fix double free for whiteout_ui->data

In the Linux kernel, the following vulnerability has been resolved: ubifs: renamewhiteout: Fix double free for whiteoutui-data 'whiteoutui-data' will be freed twice if space budget fail for rename whiteout operation as following process: renamewhiteout dev = kmalloc whiteoutui-data = dev...

CVE-2021-47638

CVE-2021-47638 affects the Linux kernel ubifs implementation. The issue is a double-free of whiteout_ui->data during the rename_whiteout path, caused by freeing whiteout_ui->data and then freeing ui->data in ubifs_free_inode via ubifs_rename/do_rename flow. KASAN reports double-free; the...