Description: KVM: PPC: Book3S: Fix H_RTAS rets buffer overflow References: https://www.openwall.com/lists/oss-security/2021/07/26/1 https://lore.kernel.org/linuxppc-dev/87im0x1lqi.fsf@mpe.ellerman.id.au/T/#u Notes: Bugs: upstream: released (5.14-rc3) [f62f3c20647ebd5fb6ecb8f0b477b9281c44c10a] 5.10-upstream-stable: released (5.10.54) [c1fbdf0f3c26004a2803282fdc1c35086908a99e] 4.19-upstream-stable: released (4.19.199) [0493b10c06021796ba80cbe53c961defd5aca6e5] 4.9-upstream-stable: released (4.9.277) [8c46b4b2749c4b3b7e602403addc32ec2b48baed] sid: released (5.14.6-1) 5.10-bullseye-security: released (5.10.46-5) [bugfix/powerpc/KVM-PPC-Book3S-Fix-H_RTAS-rets-buffer-overflow.patch] 4.19-buster-security: released (4.19.208-1) 4.9-stretch-security: ignored "powerpc not supported in LTS"