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Grub 2.06 is affected by a number of CVEs, which have been fixed in the master branch of Grub, but are not yet part of any release (there is a 2.12-rc1 release, but nothing else between 2.06 and 2.12-rc1). So this patch backports the relevant fixes for CVE-2022-28736, CVE-2022-28735, CVE-2021-3695, CVE-2021-3696, CVE-2021-3697, CVE-2022-28733, CVE-2022-28734, CVE-2022-2601 and CVE-2022-3775. It should be noted that CVE-2021-3695, CVE-2021-3696, CVE-2021-3697 are not reported as affecting Grub by our CVE matching logic because the NVD database uses an incorrect CPE ID in those CVEs: it uses "grub" as the product instead of "grub2" like all other CVEs for grub. This issue has been reported to the NVD maintainers. This requires backporting a lot of patches, but jumping from 2.06 to 2.12-rc1 implies getting 592 commits, which is quite a lot. All Grub test cases are working fine: https://gitlab.com/tpetazzoni/buildroot/-/pipelines/984500585 https://gitlab.com/tpetazzoni/buildroot/-/pipelines/984500679 Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com> [Arnout: fix check-package warning in patch 0002] Signed-off-by: Arnout Vandecappelle <arnout@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 http://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