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- CVE-2026-27456: mount(8) TOCTOU symlink attack via loop device. The SUID
mount follows symlinks when resolving loop backing file paths. On
systems where non-root users are permitted to mount loop devices (via
'user' option in fstab), this allows access to arbitrary files.
For more information, see:
- https://nvd.nist.gov/vuln/detail/CVE-2026-27456
- 5e390467b2
Signed-off-by: Titouan Christophe <titouan.christophe@mind.be>
(cherry picked from commit cd52acda14)
Signed-off-by: Thomas Perale <thomas.perale@mind.be>
Buildroot is a simple, efficient and easy-to-use tool to generate embedded Linux systems through cross-compilation. The documentation can be found in docs/manual. You can generate a text document with 'make manual-text' and read output/docs/manual/manual.text. Online documentation can be found at https://buildroot.org/docs.html To build and use the buildroot stuff, do the following: 1) run 'make menuconfig' 2) select the target architecture and the packages you wish to compile 3) run 'make' 4) wait while it compiles 5) find the kernel, bootloader, root filesystem, etc. in output/images You do not need to be root to build or run buildroot. Have fun! Buildroot comes with a basic configuration for a number of boards. Run 'make list-defconfigs' to view the list of provided configurations. Please feed suggestions, bug reports, insults, and bribes back to the buildroot mailing list: buildroot@buildroot.org You can also find us on #buildroot on OFTC IRC. If you would like to contribute patches, please read https://buildroot.org/manual.html#submitting-patches