UNKNOWN NVD
CVE-2026-98572
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,
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.
References
- https://git.kernel.org/stable/c/1547e9f3a7d71971216e6dba30270cae13fe4e02
- https://git.kernel.org/stable/c/1bd91670966a7142ac94f2cebe2b5ae6bf5cb0c8
- https://git.kernel.org/stable/c/6f939529ed6c580e9b6c5daa20be67fa0b3d4cf0
- https://git.kernel.org/stable/c/876ef04c75c2751acfd355606fca3eced71dec65
- https://git.kernel.org/stable/c/beeae92e70e705e90a0d6d9b3b8498ee3b92f495
This unknown severity vulnerability was published on 2026-10-18 via NVD.
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