PT-2026-116791 · Linux · Linux
CVE-2026-98572
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Published
2026-10-18
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Updated
2026-10-18
None
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In the Linux kernel, the following vulnerability has been resolved:
bpf: Fix immediate JMP JEQ/JNE on MIPS32
An addu instruction was emitted instead of addiu, causing the immediate
value 1 to be interpreted as register $at. This made the comparison
result invalid when the immediate operand was negative. Note that $at
is mapped to BPF REG AX, which is used for constant blinding.
Fix the instruction to use the immediate form.
Found with test bpf on MIPS32r1 emulated by QEMU.
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Related Identifiers
Affected Products
Linux