CVE-2024-1048 Information

Description

A flaw was found in the grub2-set-bootflag utility of grub2. After the fix of CVE-2019-14865 grub2-set-bootflag will create a temporary file with the new grubenv content and rename it to the original grubenv file. If the program is killed before the rename operation the temporary file will not be removed and may fill the filesystem when invoked multiple times resulting in a filesystem out of free inodes or blocks.

Reference

https://access.redhat.com/security/cve/CVE-2024-1048 https://bugzilla.redhat.com/show_bug.cgi?id=2256827 https://www.openwall.com/lists/oss-security/2024/02/06/3 http://www.openwall.com/lists/oss-security/2024/02/06/3