bpf: Return proper address for non-zero offsets in insn array
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ssvc Trackepss 0.1%
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In the Linux kernel, the following vulnerability has been resolved:
bpf: Return proper address for non-zero offsets in insn array
The map_direct_value_addr() function of the instruction
array map incorrectly adds offset to the resulting address.
This is a bug, because later the resolve_pseudo_ldimm64()
function adds the offset. Fix it. Corresponding selftests
are added in a consequent commit.
Produtos afetados
Linux · Linux