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Fixes the following vulnerabilities: * CVE-2021-4008/ZDI-CAN-14192 SProcRenderCompositeGlyphs out-of-bounds access The handler for the CompositeGlyphs request of the Render extension does not properly validate the request length leading to out of bounds memory write. * CVE-2021-4009/ZDI-CAN 14950 SProcXFixesCreatePointerBarrier out-of-bounds access The handler for the CreatePointerBarrier request of the XFixes extension does not properly validate the request length leading to out of bounds memory write. * CVE-2021-4010/ZDI-CAN-14951 SProcScreenSaverSuspend out-of-bounds access The handler for the Suspend request of the Screen Saver extension does not properly validate the request length leading to out of bounds memory write. * CVE-2021-4011/ZDI-CAN-14952 SwapCreateRegister out-of-bounds access The handlers for the RecordCreateContext and RecordRegisterClients requests of the Record extension do not properly validate the request length leading to out of bounds memory write. For details, see the advisory: https://lists.x.org/archives/xorg-announce/2021-December/003122.html Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
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