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aa673e1427
Fixes CVE-2022-48303 by checking Base-256 encoding is at least 2 bytes long. GNU Tar through 1.34 has a one-byte out-of-bounds read that results in use of uninitialized memory for a conditional jump. Exploitation to change the flow of control has not been demonstrated. The issue occurs in from_header in list.c via a V7 archive in which mtime has approximately 11 whitespace characters. Reference: https://nvd.nist.gov/vuln/detail/CVE-2022-48303 Upstream patch: https://savannah.gnu.org/bugs/?62387 https://git.savannah.gnu.org/cgit/tar.git/patch/src/list.c?id=3da78400eafcccb97e2f2fd4b227ea40d794ede8 (From OE-Core rev: 231360a55bf1b96d6bb1cf94820b08788677c58b) (From OE-Core rev: af77a413db59863a898c32dc7536b680473ae9c5) Signed-off-by: Rodolfo Quesada Zumbado <rodolfo.zumbado@windriver.com> Signed-off-by: Joe Slater <joe.slater@windriver.com> Signed-off-by: Steve Sakoman <steve@sakoman.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org> (cherry picked from commit 2a00f15354084cee6b2183fcdbfdfc7826c365da) Signed-off-by: Riyaz Khan <Riyaz.Khan@kpit.com> Signed-off-by: Riyaz Khan <rak3033@gmail.com> Signed-off-by: Steve Sakoman <steve@sakoman.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
QEMU Emulation Targets ====================== To simplify development, the build system supports building images to work with the QEMU emulator in system emulation mode. Several architectures are currently supported in 32 and 64 bit variants: * ARM (qemuarm + qemuarm64) * x86 (qemux86 + qemux86-64) * PowerPC (qemuppc only) * MIPS (qemumips + qemumips64) Use of the QEMU images is covered in the Yocto Project Reference Manual. The appropriate MACHINE variable value corresponding to the target is given in brackets.