CVE-2026-98572
Unknown
Description
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.
SeverityUnknown
CVSS—
Exploit probability—
Product
Linux
PublishedOct 18, 2026
First seenOct 18, 2026
How to fix
Update
- Linux Linux1547e9f3a7d71971216e6dba30270cae13fe4e02, beeae92e70e705e90a0d6d9b3b8498ee3b92f495, 6f939529ed6c580e9b6c5daa20be67fa0b3d4cf0, 876ef04c75c2751acfd355606fca3eced71dec65, 1bd91670966a7142ac94f2cebe2b5ae6bf5cb0c8, db762fd96be225bd06161c9631160c755d891693 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | eb63cfcd2ee8ec3805f6881f43341f589c3d2278 ≤ v < 1547e9f3a7d71971216e6dba30270cae13fe4e02, eb63cfcd2ee8ec3805f6881f43341f589c3d2278 ≤ v < beeae92e70e705e90a0d6d9b3b8498ee3b92f495, eb63cfcd2ee8ec3805f6881f43341f589c3d2278 ≤ v < 6f939529ed6c580e9b6c5daa20be67fa0b3d4cf0, eb63cfcd2ee8ec3805f6881f43341f589c3d2278 ≤ v < 876ef04c75c2751acfd355606fca3eced71dec65, eb63cfcd2ee8ec3805f6881f43341f589c3d2278 ≤ v < 1bd91670966a7142ac94f2cebe2b5ae6bf5cb0c8, eb63cfcd2ee8ec3805f6881f43341f589c3d2278 ≤ v < db762fd96be225bd06161c9631160c755d891693, 5.16 | 1547e9f3a7d71971216e6dba30270cae13fe4e02, beeae92e70e705e90a0d6d9b3b8498ee3b92f495, 6f939529ed6c580e9b6c5daa20be67fa0b3d4cf0, 876ef04c75c2751acfd355606fca3eced71dec65, 1bd91670966a7142ac94f2cebe2b5ae6bf5cb0c8, db762fd96be225bd06161c9631160c755d891693 |
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