CVE-2026-98572
bpf: Fix immediate JMP JEQ/JNE on MIPS32
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Oct 18, 2026 |
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Affected Versions
Linux / Linux
eb63cfcd2ee8ec3805f6881f43341f589c3d2278 < 1547e9f3a7d71971216e6dba30270cae13fe4e02 eb63cfcd2ee8ec3805f6881f43341f589c3d2278 < beeae92e70e705e90a0d6d9b3b8498ee3b92f495 eb63cfcd2ee8ec3805f6881f43341f589c3d2278 < 6f939529ed6c580e9b6c5daa20be67fa0b3d4cf0 eb63cfcd2ee8ec3805f6881f43341f589c3d2278 < 876ef04c75c2751acfd355606fca3eced71dec65 eb63cfcd2ee8ec3805f6881f43341f589c3d2278 < 1bd91670966a7142ac94f2cebe2b5ae6bf5cb0c8 eb63cfcd2ee8ec3805f6881f43341f589c3d2278 < db762fd96be225bd06161c9631160c755d891693
Linux / Linux
5.16
References
git.kernel.org: https://git.kernel.org/stable/c/1547e9f3a7d71971216e6dba30270cae13fe4e02 git.kernel.org: https://git.kernel.org/stable/c/beeae92e70e705e90a0d6d9b3b8498ee3b92f495 git.kernel.org: https://git.kernel.org/stable/c/6f939529ed6c580e9b6c5daa20be67fa0b3d4cf0 git.kernel.org: https://git.kernel.org/stable/c/876ef04c75c2751acfd355606fca3eced71dec65 git.kernel.org: https://git.kernel.org/stable/c/1bd91670966a7142ac94f2cebe2b5ae6bf5cb0c8 git.kernel.org: https://git.kernel.org/stable/c/db762fd96be225bd06161c9631160c755d891693